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Ñaupari-Villasante R, Falconi-Páez C, Castro AS, Gutiérrez MF, Mendez-Bauer ML, Aliaga P, Dávila-Sánchez A, Arrais C, Reis A, Loguercio AD. Clinical Performance of Posterior Restorations Using a Universal Adhesive over Moist and Dry Dentin: A 36-month Double-Blind Split-mouth Randomized Clinical Trial. J Dent 2024:105080. [PMID: 38788919 DOI: 10.1016/j.jdent.2024.105080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/12/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
OBJECTIVES To evaluate the influence of dentin moisture on the clinical behavior of a universal adhesive on posterior teeth after 36 months of follow-up. METHODS Forty-five patients participated in this study. Following a split-mouth design, three operators placed 90 Class I/Class II restorations over moist dentin (MD) or dry (DD) (n=45) with resin composite (Filtek Bulk Fill) and a universal adhesive used in the etch-and-rinse mode (Single Bond Universal). Each restoration was evaluated according to the FDI and USPHS criteria (postoperative sensitivity, fracture and retention, marginal staining, marginal adaptation, and recurrence of caries) at baseline and after 6-, 12-, and 36 months. For statistical analysis, Kruskal Wallis analysis of variance rank (α = 0.05) and Kaplan-Meier survival analysis were used. RESULTS No significant difference between groups was observed in each FDI criterion after 36 months of clinical evaluation (p > 0.05). The retention rates (confidence interval 95%) were 97.37% (86.5 - 99.5) for both MD and DD without significant difference between them (p > 0.05). Eight restorations (MD = 4; DD = 4) showed minimal marginal staining defects (p > 0.05). Two restorations were lost (MD = 1; DD = 1). Fifteen restorations (MD = 8; DD = 7) presented minor marginal discrepancies according to the FDI criteria (p > 0.05). CONCLUSION The clinical performance of the universal adhesive when applied in etch-and-rinse mode was not influenced by dentin moisture in posterior bulk-fill composite restorations. CLINICAL SIGNIFICANCE The level of dentin moisture appears not to influence the clinical efficacy of a universal adhesive when applied using the etch-and-rinse technique in posterior composite resin restorations.
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Affiliation(s)
- Romina Ñaupari-Villasante
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, 84030-900, Ponta Grossa, Brazil
| | - Camila Falconi-Páez
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, 84030-900, Ponta Grossa, Brazil
| | - Andrea S Castro
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Parana ́, Curitiba, Brazil
| | - Mario F Gutiérrez
- Universidad de los Andes, Facultad de Odontología, Av. Monseñor Álvaro del Portillo 12455, 7550000, Las Condes, Santiago, Chile; University of Chile, Faculty of Dentistry, Institute for Research in Dental Sciences, Av. Olivos 943, 8380544, Independencia, Santiago, Chile
| | - Maria L Mendez-Bauer
- Research Department, School of Dentistry, University Francisco Marroquin, Guatemala City, Guatemala
| | - Paulina Aliaga
- Departamento de Odontología Restauradora y Materiales Dentales. Escuela de Odontología Universidad San Francisco de Quito, Av. Pampite y Diego Robles, 170901, Quito, Ecuador
| | - Andrés Dávila-Sánchez
- Departamento de Odontología Restauradora y Materiales Dentales. Escuela de Odontología Universidad San Francisco de Quito, Av. Pampite y Diego Robles, 170901, Quito, Ecuador
| | - Cesar Arrais
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, 84030-900, Ponta Grossa, Brazil
| | - A Reis
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, 84030-900, Ponta Grossa, Brazil
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, 84030-900, Ponta Grossa, Brazil.
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Jäggi M, Karlin S, Zitzmann NU, Rohr N. Shear bond strength of universal adhesives to human enamel and dentin. J ESTHET RESTOR DENT 2024; 36:804-812. [PMID: 38308570 DOI: 10.1111/jerd.13204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 02/05/2024]
Abstract
OBJECTIVE The composition of universal adhesives is highly diverse. The purpose of this in vitro study was to compare the shear bond strength of a composite with five different universal adhesives to human enamel and dentin. MATERIALS AND METHODS The shear bond strength of a composite (G-aenial Universal Injectable) to human enamel and dentin was tested in selective enamel etching mode before and after thermocyclic aging (10,000 cycles) using five different universal adhesive systems (Adhese Universal VivaPen, Clearfil Universal Bond Quick, G-Premio Bond, Prime&Bond active, and Scotchbond Universal Plus). Two-bottle systems (OptiBond FL and G2-Bond Universal) were used as control. Scanning electron microscopy was conducted of the bonding interface. RESULTS Significant differences in shear bond strength values were found among the five evaluated universal adhesives. Lowest shear bond strength values were observed for 2-hydroxyethylmethacrylate (HEMA)-free systems. Thermocyclic aging did not significantly reduce shear bond strength values indicating that the initial bond remains stable. CONCLUSIONS The clinical use of universal adhesives Adhese Universal VivaPen, Clearfil Universal Bond Quick, and Scotchbond Universal Plus can be encouraged as they provided comparable or even better shear bond strength values than the two-bottle controls. CLINICAL SIGNIFICANCE Universal adhesives that were developed for the same indication and approved for clinical use demonstrated variety in shear bond strength values. When applied in the selective enamel etching mode, a stable bond can be expected from adhesives containing HEMA and monomers with phosphate groups.
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Affiliation(s)
- Marco Jäggi
- Biomaterials and Technology, Department of Reconstructive Dentistry, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
| | - Sabrina Karlin
- Biomaterials and Technology, Department of Reconstructive Dentistry, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
| | - Nicola U Zitzmann
- Biomaterials and Technology, Department of Reconstructive Dentistry, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
| | - Nadja Rohr
- Biomaterials and Technology, Department of Reconstructive Dentistry, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
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Li Y, Maeno M, Cifuentes-Jimenez CC, Komoto M, Liu Y, Nara Y, Sano H, Alvarez-Lloret P, Yamauti M, Tomokiyo A. Effect of Simulated Dental Pulpal Pressure Using Fetal Bovine Serum for the Bonding Performance of Contemporary Adhesive to Dentin. Polymers (Basel) 2024; 16:1219. [PMID: 38732688 PMCID: PMC11085566 DOI: 10.3390/polym16091219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/23/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
This study evaluated the effect of simulated pulpal pressure (SPP) conditions and storage time on contemporary adhesive systems' microtensile bond strength (µTBS) to dentin. Extracted human molars were prepared and randomly divided into four groups according to the adhesives: Clearfil Megabond 2 (CSE), Beautibond Xtreme Universal (BXU), G2-Bond (G2B), and Scotchbond Universal Plus (SBP). Each adhesive group was further divided following the SPP conditions: control with no simulation (SPP-CTR), SPP with distilled water (SPP-DTW), and SPP with fetal bovine serum (SPP-FBS). Resin composite build-ups were prepared, and teeth were stored in water (37 °C) for 24 h (24 h) and 3 months (3 m). Then, teeth were sectioned to obtain resin-dentin bonded beams and tested to determine the µTBS. Data were analyzed using three-way ANOVA, Tukey post hoc tests (=0.05), and Weibull failure analysis. Failure mode was observed using scanning electron microscopy. The µTBS response was affected by adhesive systems, simulated pulpal pressure conditions, and storage time. SPP-CTR groups presented a higher overall bond strength than SPP-DTW and SPP-FBS, which were not significantly different from each other. Only for SBP, the SPP-FBS group showed higher µTBS than the SPP-DTW group. The Weibull analysis showed that the bonding reliability and durability under SPP-DTW and SPP-FBS were inferior to SPP-CTR, and the 24 h bonding quality of adhesives to dentin was superior to that of 3 m. SPP drastically reduced the µTBS of all adhesives to dentin regardless of solution (distilled water or fetal bovine serum). Storage after 3 m also decreased µTBS despite the SPP condition.
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Affiliation(s)
- Yitong Li
- Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Sapporo 060-8586, Japan; (Y.L.); (Y.L.); (H.S.); (A.T.)
| | - Masahiko Maeno
- Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 102-8159, Japan (M.K.); (Y.N.)
| | | | - Mei Komoto
- Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 102-8159, Japan (M.K.); (Y.N.)
| | - Yunqing Liu
- Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Sapporo 060-8586, Japan; (Y.L.); (Y.L.); (H.S.); (A.T.)
| | - Yoichiro Nara
- Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 102-8159, Japan (M.K.); (Y.N.)
| | - Hidehiko Sano
- Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Sapporo 060-8586, Japan; (Y.L.); (Y.L.); (H.S.); (A.T.)
| | - Pedro Alvarez-Lloret
- Department of Geology, Faculty of Geology, University of Oviedo, Campus de Llamaquique, s/n, 33005 Oviedo, Spain;
- Department of Mineralogy and Petrology, Faculty of Sciences, University of Granada, Av. Fuente Nueva, s/n, 18071 Granada, Spain
| | - Monica Yamauti
- Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Sapporo 060-8586, Japan; (Y.L.); (Y.L.); (H.S.); (A.T.)
| | - Atsushi Tomokiyo
- Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Sapporo 060-8586, Japan; (Y.L.); (Y.L.); (H.S.); (A.T.)
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Takamizawa T, Aoki R, Hayashi K, Shoji M, Kasahara Y, Barkmeier WW, Latta MA, Kamimoto A, Miyazaki M. Scanning electron microscopy observation of dentin bond interfaces in different types of resin luting cements. Dent Mater J 2024; 43:179-190. [PMID: 38246629 DOI: 10.4012/dmj.2023-219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
This study aimed to observe and compare the resin luting cement (RLC)/dentin interfaces of different types of RLC systems with scanning electron microscopy (SEM). This study evaluated six self-adhesive resin luting cement systems (SARLCs), four systems combining a SARLC with a tooth primer (SARLCPs), and six conventional resin luting cement systems (CVRLCs). Cured resin composite rods were bonded to bovine dentin using RLCs in different etching modes. The morphological features at the interfaces were observed using SEM. Although all RLCs in etch-&-rinse (ER) mode showed a clear hybrid layer, most SARLCs had a thinner and more porous hybrid layer than the SARLCPs and CVRLCs. All SARLCPs with primer and CVRLCs showed a thin high-density layer below the primer layer in both etching modes. CVRLCs and SARLCPs with primer treatment systems may be more versatile and reliable when compared to simplified RLC systems.
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Affiliation(s)
| | - Ryota Aoki
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Kana Hayashi
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Mone Shoji
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Yuta Kasahara
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Wayne W Barkmeier
- Department of General Dentistry, Creighton University School of Dentistry
| | - Mark A Latta
- Department of General Dentistry, Creighton University School of Dentistry
| | - Atsushi Kamimoto
- Department of Comprehensive Dentistry and Clinical Education, Nihon University School of Dentistry
| | - Masashi Miyazaki
- Department of Operative Dentistry, Nihon University School of Dentistry
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Kemaloglu H, Cay O, Devrimci EE, Pamir T. Repair bond strength of a new self-adhesive composite resin to three different resin-matrix ceramic CAD-CAM materials. Dent Mater J 2024; 43:137-145. [PMID: 38233189 DOI: 10.4012/dmj.2023-165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
This study aimed to evaluate the shear bond strength of two flowable composite resins to resin-matrix ceramic CAD-CAM materials.Fifty-four plates obtained from Lava Ultimate (LU), Cerasmart (CS), and Vita Enamic (VE) CAD-CAM blocks were assigned to nine groups: N0: Nova Compo SF (NCSF), N1: Silane/Single Bond Universal (SBU)/NCSF, N2: SBU/NCSF, N3: Silane/G-Premio Bond (GPB)/NCSF, N4: GPB/NCSF, G1: Silane/SBU/G-aenial Universal Injectable Composite (GUIC), G2: SBU/GUIC, G3: Silane/GPB/GUIC, G4: GPB/GUIC. After the repair procedures, shear bond strength values were analyzed. Silane pre-application decreased bond strength in most LU and CS groups but increased it in VE. NCSF performed better than GUIC in all CAD-CAM's with similar adhesive protocols. SBU in combination with NSCF had the highest bond strength among all repair procedures in LU and CS. Silane-containing universal adhesives in combination with self-adhesive resin composites should be used to repair resin-matrix ceramic materials.
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Affiliation(s)
- Hande Kemaloglu
- Department of Restorative Dentistry, Faculty of Dentistry, Ege University
| | - Ozge Cay
- Department of Restorative Dentistry, Faculty of Dentistry, Ege University
| | | | - Tijen Pamir
- Department of Restorative Dentistry, Faculty of Dentistry, Ege University
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Çağırır Dindaroğlu F, Yılmaz E. Two-year evaluation of a nano-hybrid and a bulk-fill resin composite: a randomized, double-blind split-mouth clinical study. Clin Oral Investig 2024; 28:208. [PMID: 38467942 PMCID: PMC10927878 DOI: 10.1007/s00784-024-05592-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 02/26/2024] [Indexed: 03/13/2024]
Abstract
OBJECTIVES The aim of this study was to compare the 2-year clinical performance of a bulk-fill composite resin and a nano-hybrid-filled composite resin in 6-12-year-old children in a split-mouth design. MATERIALS AND METHODS This randomized, split-mouth, and double-blind study was conducted on 89 patients aged 6-12 years with caries on bilateral mandibular first molars. In a split-mouth design, restorations of mandibular permanent molars were completed with nano-hybrid organically modified ceramic (ORMOCER)-based bulk-fill composite resin Admira Fusion x-tra (Voco GmbH, Cuxhaven, Germany) and nano-hybrid composite Grandio (Voco, Cuxhaven, Germany). Futurabond U single dose (Voco, Cuxhaven, Germany) was used with selective enamel etching. The clinical success of the restorations was evaluated using USPHS and FDI criteria at 6, 12, and 24-month follow-up controls. RESULTS In the 2-year follow-up, all restorations were clinically acceptable. Grandio was significantly worse than Admira Fusion x-tra in terms of surface luster and superficial change (p < 0.05). Surface staining and color match scores increased in Admira Fusion x-tra compared with Grandio significantly (p < 0.05). CONCLUSIONS Although both materials showed acceptable clinical performance over 2 years, a significant difference was observed between the surface luster, surface staining, marginal adaptation, and staining of the nano-hybrid composite placed with the incremental technique and the bulk-fill ORMOCER-based composite resin. CLINICAL RELEVANCE As an alternative to nano-hybrid composite resins, using bulk-fill restorative materials, which can be indicated in the proper case, may contribute to shortening treatment procedures and increasing patient and physician comfort, leading to clinical success.
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Affiliation(s)
- Funda Çağırır Dindaroğlu
- İzmir Katip Çelebi University, School of Dentistry, Department of Pediatric Dentistry, İzmir, Turkey.
| | - Ece Yılmaz
- İzmir Katip Çelebi University, School of Dentistry, Department of Pediatric Dentistry, İzmir, Turkey
- Private Practice, Istanbul, Turkey
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Ñaupari-Villasante R, de Freitas A, Hass V, Matos TP, Parreiras SO, Reis A, Gutiérrez MF, Loguercio AD. Prolonged polymerization of a universal adhesive in non-carious cervical lesions: 36-month double-blind randomized clinical trial. J Dent 2024; 142:104823. [PMID: 38145806 DOI: 10.1016/j.jdent.2023.104823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/18/2023] [Accepted: 12/22/2023] [Indexed: 12/27/2023] Open
Abstract
OBJECTIVE To evaluate the effect of prolonged (P) polymerization time of a universal adhesive system applied in etch-and-rinse (ER) or self-etch (SE) strategies on the clinical performance of restorations in non-carious cervical lesions (NCCLs), after 36 months of clinical service. METHODS A total of 140 restorations were randomly placed in 35 subjects according to the polymerization time groups: ER (10 s); ER-P (40 s); SE (10 s); and SE-P (40 s) at 1,200 mW/cm2. Composite resin was placed incrementally. The restorations were evaluated immediately and after 6, 12, 18, and 36 months using the FDI criteria. Data were analyzed using the Kaplan-Meier survival test for retention loss, and the Kruskal-Wallis' test for secondary outcomes (α = 0.05). RESULTS After 36 months, 19 restorations were lost: ER 6, ER-P 2, SE 9, SE-P 2. The retention rates were 82.3% for ER; 94.1 % for ER-P; 73.5 % for SE; and 94.1 % for SE-P, with a significant difference between ER vs. ER-P and SE vs. SE-P, as well as ER vs. SE-P and ER-P vs. SE (p < 0.0001). Minor defects were observed in 18 restorations for the marginal staining criteria: ER 5, ER-P 2, SE 8, SE-P 3; and in 33 restorations for the marginal adaptation criteria: ER 11, ER-P 4, SE 12, and SE-P 6 (p > 0.05). No restorations showed recurrence of caries or postoperative sensitivity. CONCLUSIONS A prolonged polymerization time of 40 s improves the clinical performance of the universal adhesive for both adhesive strategies evaluated, even after 36 months. CLINICAL SIGNIFICANCE Prolonging the polymerization time of a universal adhesive from 10 to 40 s has been shown to improve its clinical performance when used in NCCLs.
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Affiliation(s)
- Romina Ñaupari-Villasante
- Department of Restorative Dentistry, School of Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil
| | - André de Freitas
- Department of Restorative Dentistry, School of Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil
| | - Viviane Hass
- School of Dentistry, Oral and Craniofacial Sciences, University of Missouri-Kansas City, Kansas City, MO, USA
| | - Thalita P Matos
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, Curitiba, PR, Brazil
| | - Sibelli O Parreiras
- Department of Restorative Dentistry, State University of Northern Paraná, Jacarezinho, PR, Brazil
| | - Alessandra Reis
- Department of Restorative Dentistry, School of Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil
| | - Mario F Gutiérrez
- Universidad de los Andes, Chile. Facultad de Odontología, Santiago, Chile; Department of Restorative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile.
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, School of Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil
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Mohammed NY, Abdel-Ghany DM, Ben Hamadi N, Özdemir S, Selamoglu Z, Plavan G, Boufahja F, Elassar DM. The Impact of Silver Diamine Fluoride Only or Simultaneously With Potassium Iodide Treatment on the Bond Durability of Resin Composite Material on Primary Teeth. Cureus 2024; 16:e57064. [PMID: 38681260 PMCID: PMC11052556 DOI: 10.7759/cureus.57064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/27/2024] [Indexed: 05/01/2024] Open
Abstract
We aim to evaluate the bond strength between resin composite and primary demineralized dentin, pretreated with silver diamine fluoride (SDF) and simultaneous SDF with potassium iodide (KI) after thermal aging. In this in vitro study, human carious-free primary molars were randomly assigned into three groups and prepared by exposing the superficial dentin. The primary dentin of each molar was demineralized. The first group (the control) received saline treatment before bond application. SDF was pretreated for the second group, whereas SDF and KI were used for the third. After that, the pretreated dentin was immediately built with resin composite bonded with a universal adhesive and kept wet for 24 hours. Then, the pretreated molars were prepared into beam specimens for microtensile bond strength (µTBS), 16 for each group, and subjected to thermal aging. Lastly, they were tested using a universal testing machine, and the resulting data were analyzed using one-way analysis of variance (ANOVA) followed by Tukey's post hoc test. It was found that the SDF-KI group had a significant difference with both the control and SDF groups (p < 0.05), while the control and SDF groups showed no significant differences (p = 0.310). The SDF-KI group had the highest mean value of 11.73 ± 4.39 megapascal (MPa). In contrast, the control group had the lowest mean value of 9.31 ± 3.41 MPa. Post hoc pairwise comparison results showed that SDF-KI pretreatment had a significantly higher strength value than the control and SDF groups. Pretreatment of demineralized primary dentin with SDF-KI does not negatively affect the immediate loading of resin composite. However, under the limitation of this study, KI application after SDF pretreatment is recommended to enhance the bond's durability of resin composite to demineralized dentin.
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Affiliation(s)
- Nesreen Y Mohammed
- Dental Biomaterials Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, EGY
| | - Dina M Abdel-Ghany
- Pediatric Dentistry and Oral Public Health Department, October 6 University, Giza, EGY
| | - Naoufel Ben Hamadi
- Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, SAU
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School, Mersin University, Mersin, TUR
| | - Zeliha Selamoglu
- Medical Biology Department, Medicine Faculty, Nigde Omer Halisdemir University, Nigde, TUR
| | - Gabriel Plavan
- Biology Department, Faculty of Biology, Alexandru Ioan Cuza University, Iasi, ROU
| | - Fehmi Boufahja
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, SAU
| | - Dalia M Elassar
- Operative Dentistry Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, EGY
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Watanabe S, Takamizawa T, Hayashi K, Aoki R, Barkmeier WW, Latta MA, Watanabe H, Miyazaki M. Comparing Various Resin Luting Cement Systems in Different Etching Modes Through Bond Durability and Morphological Features. Oper Dent 2024; 49:231-244. [PMID: 38349845 DOI: 10.2341/23-096-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/02/2023] [Indexed: 02/15/2024]
Abstract
OBJECTIVES This study aimed to investigate bond performance of various resin luting cement (RLC) systems on enamel and dentin in different etching modes and to compare the RLC-tooth interface morphology using scanning electron microscopy (SEM). METHODS AND MATERIALS The self-adhesive RLC systems used in combination with universal adhesives were as follows: Scotchbond Universal Adhesive Plus + RelyX Universal (3M Oral Care) and Clearfil Universal Bond Quick ER + SA Luting Multi (Kuraray Noritake Dental). These RLC systems were also used alone as self-adhesive RLC systems without universal adhesives (self-adhesive mode). The conventional RLC systems for comparison materials were as follows: BeautiBond Xtream + ResiCem EX (Shofu) and Tooth Primer + Panavia V5 (Kuraray Noritake Dental). Twelve specimens were prepared for each group to measure shear bond strength (SBS) in different etching modes. A stainless-steel rod was used as a substitute for indirect restorations. Bonded specimens were allocated to baseline (stored for 24 hours) and artificially aged (thermocycling [TC] for 10,000 cycles) groups. Representative treated tooth surfaces and RLC-tooth interfaces were observed using SEM. RESULTS Three-way analysis of variance (ANOVA) revealed that all the factors (etching mode, storage period, and RLC system) had a significant influence on the enamel SBS values (p<0.05). Enamel SBS was significantly higher in etch-&-rinse (ER) mode than in self-etch (SE) mode, regardless of RLC system or storage period. Three-way ANOVA showed that all the factors had a significant influence on the dentin SBS values (p<0.001). Most RLC systems showed significantly higher dentin SBS in SE mode than in ER mode, regardless of storage period. However, the combination with Scotchbond Universal Adhesive Plus and RelyX Universal showed no significant difference in SBS values between etching modes at the baseline and showed a significantly higher SBS value in ER mode than in SE mode after TC. CONCLUSIONS The self-adhesive RLC systems with universal adhesives tended to show higher enamel and dentin bond performance than the self-adhesive RLC systems alone. The morphology of treated tooth surfaces and resin cement-tooth interfaces were dependent on the RLC system and etching mode used. The RLC systems with primer application showed a thin, high-density layer above the intact dentin in both etching modes, suggesting chemical interaction.
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Affiliation(s)
- S Watanabe
- Satoru Watanabe, DDS, Department of Operative Dentistry, Nihon University Graduate School of Dentistry, Tokyo, Japan
| | - T Takamizawa
- *Toshiki Takamizawa, DDS, PhD, Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - K Hayashi
- Kana Hayashi, DDS, Department of Operative Dentistry, Nihon University Graduate School of Dentistry, Tokyo, Japan
| | - R Aoki
- Ryota Aoki, DDS, Department of Operative Dentistry, Nihon University Graduate School of Dentistry, Tokyo, Japan
| | - W W Barkmeier
- Wayne W. Barkmeier, DDS, MS, Department of General Dentistry, Creighton University School of Dentistry, Omaha, NE, USA
| | - M A Latta
- Mark A. Latta, DMD, MS, Department of General Dentistry, Creighton University School of Dentistry, Omaha, NE, USA
| | - H Watanabe
- Hidehiko Watanabe, DDS, MS, Department of Restorative Dentistry, Oregon Health & Science University, School of Dentistry, Portland, Oregon, USA
| | - M Miyazaki
- Masashi Miyazaki, DDS, PhD, Nihon University School of Dentistry, Tokyo, Japan
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Aoki R, Takamizawa T, Hayashi K, Arai Y, Ishii R, Shoji M, Kamimoto A, Miyazaki M. Influence of different curing modes on the bonding effectiveness of self-adhesive resin luting cements in combination with universal adhesives. Dent Mater 2024; 40:379-385. [PMID: 38176997 DOI: 10.1016/j.dental.2023.12.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 12/19/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVES This study aimed to investigate the immediate dentin bond performance and bond durability of self-adhesive resin luting cements (RLCs) in combination with universal adhesives in different curing modes. METHODS Two self-adhesive RLCs were used with universal adhesives as primers. They were also used alone as self-adhesive RLCs. Two multiple-step RLC systems were used as comparison materials. To measure the shear bond strength (SBS) in different curing modes, 12 specimens were prepared for each group. Stainless-steel rods were bonded to bovine dentin, and the bonded specimens were assigned to the baseline group (stored for 24 h) and artificially aged group (thermal cycling [TC], 10,000 cycles). After each storage period, the SBS of the bonded specimens was measured. The Knoop hardness number (KHN) of the cured RLCs was measured with or without primer application in different curing modes at 24 h and after 10,000 TC. The representative RLC/dentin interfaces were observed using scanning electron microscopy (SEM). RESULTS Dentin SBS was significantly influenced by the RLC system but not by the curing mode. Self-adhesive RLCs alone showed significantly lower SBS values than self-adhesive RLCs with primer regardless of the curing mode or storage period. The storage period, curing mode, and RLC system significantly influenced the KHN. SIGNIFICANCE The use of universal adhesives as a primer may help enhance the immediate dentin bond performance and bond durability of self-adhesive RLCs.
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Affiliation(s)
- Ryota Aoki
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Toshiki Takamizawa
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan.
| | - Kana Hayashi
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Yuiko Arai
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Ryo Ishii
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Mone Shoji
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Atsushi Kamimoto
- Department of Comprehensive Dentistry and Clinical Education, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Masashi Miyazaki
- Department of Operative Dentistry, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
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Stape THS, Mutluay M, Tezvergil-Mutluay A. To etch or not to etch, Part III: On the hydrophobic-rich content and fatigue strength of universal adhesives after long-term ageing. Dent Mater 2024; 40:44-52. [PMID: 37891131 DOI: 10.1016/j.dental.2023.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023]
Abstract
OBJECTIVES To examine whether dentin-etching extension and/or the hydrophobic-rich content of hybrid layers would affect fatigue strengths of a mild universal adhesive after long-term aging. METHODS Twin-bonded resin-dentin interfaces were produced by etching sound midcoronal dentin beams with 32 % ortho-phosphoric acid for 15 s (OPA15s), 3 s (OPA3s) or 10 % meta-phosphoric acid for 15 s (MPA15s). Samples were bonded with a mild universal adhesive with or without additional coating using a solvent-free bisGMA-based bonding resin. Self-etch application served as control. Composite buildups were made with a nanofilled composite. Bar-shaped twin-bonded interfaces (0.9 × 0.9 × 12 mm) were aged for two years in artificial saliva at 37 ℃ and tested under 4-point flexure at quasi-static (n = 16) and cyclic loads (n = 35) until failure. The stress-life fatigue behavior was evaluated using the staircase method at 4 Hz. Crack initiation and fracture patterns were evaluated by SEM. Cyclic-loaded data was analyzed by Kruskal-Wallis on Ranks (α = 0.05). RESULTS Significantly higher fatigue life distributions and higher endurance limits were observed for less aggressive etch-and-rinse protocols (OPA3s and MPA15s) after long-term ageing. Hydrophobic-rich coating produced 20-32 % higher endurance limits, prevented micrometer-sized porosities at bonded interfaces, reduced etching-associated variability and lowered crack formation. Significance Long-term hydrolysis produces detrimental effects on the fatigue strength of resin-dentin interfaces. The bond-promotion effect of less aggressive etch-and-rinse protocols and the creation of hybrid layers with higher hydrophobic-rich content are critical to extend the durability of mild universal adhesives. Therefore, current oversimplification trends in adhesive dentistry may limit resin-dentin bonding performance.
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Affiliation(s)
- Thiago Henrique Scarabello Stape
- Department of Restorative Dentistry and Cariology, Adhesive Dentistry Research Group, Institute of Dentistry, University of Turku, Turku, Finland; Turku University Hospital, TYKS, University of Turku, Turku, Finland.
| | - Murat Mutluay
- Department of Restorative Dentistry and Cariology, Adhesive Dentistry Research Group, Institute of Dentistry, University of Turku, Turku, Finland; Department of Prosthetic Dentistry, Institute of Dentistry, University of Eastern Finland, Kuopio, Finland
| | - Arzu Tezvergil-Mutluay
- Department of Restorative Dentistry and Cariology, Adhesive Dentistry Research Group, Institute of Dentistry, University of Turku, Turku, Finland; Turku University Hospital, TYKS, University of Turku, Turku, Finland
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12
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De Almeida R, Siqueira F, Verde T, Ñaupari-Villasante R, Reis A, Loguercio AD, Cardenas A. Prolonged application time effects on universal adhesives in non-carious cervical lesions: An 18-month split mouth randomized clinical trial. J Dent 2024; 140:104800. [PMID: 38056759 DOI: 10.1016/j.jdent.2023.104800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/16/2023] [Accepted: 12/03/2023] [Indexed: 12/08/2023] Open
Abstract
OBJECTIVE This double-blind, split mouth randomized clinical trial aimed to assess the clinical performance of Clearfil Universal Bond Quick (CBUq) universal adhesive under different application times (no waiting and waiting) compared to Clearfil SE Bond adhesive in non-carious cervical lesions (NCCLs) over 18 months. METHODS One hundred and eighty-three restorations were distributed randomly into three groups based on the adhesive system and waiting time: CUBq without waiting time (CUBq-NW), CUBq with a 20 s waiting time (CUBq-W), and CSE with a 20 s waiting time. After placement, restorations were evaluated after 18 months using the International Dental Federation (FDI) and United States Public Health Service (USPHS) criteria. Statistical analyses involved Friedman repeated measures analysis of variance and Wilcoxon tests, with a significance level set at 5 %. RESULTS Over the 18-month period, no restorations were lost across the tested groups. Marginal adaptation evaluation indicated minor discrepancies in 21 restorations (8 CUBq-NW, 6 CUBq-W, and 7 CSE). There were no significant differences observed among the three groups following the 18-month clinical assessment (p > 0.05). Only two restorations showed marginal discoloration after 18 months (1 CUBq-NW and 1 CSE). CONCLUSIONS The application of Clearfil Universal Bond Quick using either the "waiting" or "no-waiting" technique exhibited excellent clinical results in NCCLs during the 18-month follow-up period, demonstrating comparable performance to Clearfil SE Bond in all assessed outcomes. CLINICAL SIGNIFICANCE The findings suggest that the new universal adhesive applied using the no-waiting technique demonstrates promising clinical performance when compared to conventional application methods. TRIAL REGISTRATION ClinicalTrials.gov identifer RBR-69p7mpr.
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Affiliation(s)
- Rab De Almeida
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis, Maranhão, Brazil
| | - Fsf Siqueira
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis, Maranhão, Brazil
| | - Thiago Verde
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis, Maranhão, Brazil
| | - R Ñaupari-Villasante
- Department of Restorative Dentistry, Dental Post-Graduate Program, State University of Ponta Grossa, Rua Carlos Cavalcanti, 4748, Bloco M - Uvaranas, Ponta Grossa, Paraná, Brazil
| | - A Reis
- Department of Restorative Dentistry, Dental Post-Graduate Program, State University of Ponta Grossa, Rua Carlos Cavalcanti, 4748, Bloco M - Uvaranas, Ponta Grossa, Paraná, Brazil
| | - A D Loguercio
- Department of Restorative Dentistry, Dental Post-Graduate Program, State University of Ponta Grossa, Rua Carlos Cavalcanti, 4748, Bloco M - Uvaranas, Ponta Grossa, Paraná, Brazil.
| | - Afm Cardenas
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis, Maranhão, Brazil
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13
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Barros APO, de Melo Alencar C, Zambon M, de Andrade MF, Fernández E, Kuga MC. Etch-and-rinse versus self-etch strategy of a universal adhesive in different application methods at the bonding interface of fiber post cementation. J ESTHET RESTOR DENT 2023; 35:1249-1256. [PMID: 37218614 DOI: 10.1111/jerd.13068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 05/24/2023]
Abstract
OBJECTIVE To evaluate the effect of etch-and-rinse (ER) versus self-etch (SE) strategies of a universal adhesive applied with a manual brush (MB) or rotary brush (RB) on the bonding interface of fiber post cementation. METHODS Forty bovine incisor roots were prepared and divided into four groups according to the methods of application and strategy of universal adhesive use (MB-ER, RB-ER, MB-SE and RB-SE). After 6 months, specimens from different thirds of the post space were evaluated of push-out strength, analysis of adhesive failure patterns, and extent of tags. RESULTS The RB-ER and RB-SE groups showed the highest bond strength values in the cervical and middle thirds of the post space. Cohesive adhesive failure had the highest incidence in the different thirds of the post space in the ER strategy, regardless of the adhesive application method. The RB-ER group showed the highest tag extensions. CONCLUSIONS The protocols of universal adhesive application with RB provided the greater bond strength, but only the ER strategy favored the formation of a greater extension of tags at the adhesive interface. CLINICAL SIGNIFICANCE The application of universal adhesive with RB into the post space increases the strength of the post-cemented fiber bond.
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Affiliation(s)
| | - Cristiane de Melo Alencar
- Department of Restorative Dentistry, School of Dentistry, University Center of the State of Pará, Belém, Brazil
| | - Matheus Zambon
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, Brazil
| | - Marcelo Ferrarezi de Andrade
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, Brazil
| | - Eduardo Fernández
- Instituto de Ciencias Biomédicas, Universidad Autonoma de Chile, Santiago, Chile
| | - Milton Carlos Kuga
- Department of Operative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, Brazil
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de Boer M, Zimmermann M, Attin T, Tauböck TT, Hamza B. Marginal Integrity of Simplified Adhesive Strategies in Primary Teeth. Int Dent J 2023; 73:881-888. [PMID: 37385864 PMCID: PMC10658436 DOI: 10.1016/j.identj.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 07/01/2023] Open
Abstract
OBJECTIVE The aim of this research was to investigate the effect of simplified adhesive strategies (self-etch vs selective enamel etch and 10- vs 20-second adhesive application time) on the marginal integrity in primary molars. METHODS Forty deep class-II cavities were prepared in 40 extracted primary molars. The molars were divided into 4 groups based on the applied universal adhesive strategy as follows: groups 1 and 2: selective enamel etch with 20- or 10-second application time and groups 3 and 4: self-etch with 20- or 10-second application time. All cavities were restored with a sculptable bulk-fill composite restoration. The restorations underwent a thermomechanical loading (TML, 5-50 °C, 2-minute dwelling time, ×1000; 400,000 loading cycles, 1.7 Hz, 49 N). Marginal analysis before and after TML was conducted with scanning electron microscopy and the marginal integrity of each restoration was calculated as a percentage of continuous margins. A beta regression model was adopted to statistically analyse the data with a consequent pairwise comparison. RESULTS The mean marginal integrity (% ± SD) of the restorations for each tested adhesive strategy after TML was as follows: selective enamel etch/20 seconds = 85.4 ± 3.9, self-etch/20 seconds = 85.3 ± 5.2, self-etch/10 seconds = 80.1 ± 8.2, and selective enamel etch/10 seconds = 80.0 ± 8.5. The difference between both adhesive strategies was not statistically significant at the same application time. The difference between both application times within the same adhesive strategy was statistically significant (P ≤ .01). CONCLUSIONS Universal adhesives applied either in selective enamel etch or in self-etch mode result in comparable marginal integrities when restoring class-II cavities in primary molars. Shortened adhesive application time (10 seconds) could lead to a reduction in the marginal integrity in comparison to the recommended application time of 20 seconds.
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Affiliation(s)
- Mia de Boer
- Clinic of Conservative and Preventive Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - Marcus Zimmermann
- Clinic of Conservative and Preventive Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - Thomas Attin
- Clinic of Conservative and Preventive Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - Tobias T Tauböck
- Clinic of Conservative and Preventive Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - Blend Hamza
- Clinic of Orthodontics and Pediatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.
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Menon K, Vijayaraghavan S, Dhanyakumar NM. Comparative evaluation of the effect of 37% orthophosphoric acid pre-etching on the microtensile enamel bond strength using universal adhesive and two-step self-etch adhesive systems - An in vitro study. JOURNAL OF CONSERVATIVE DENTISTRY AND ENDODONTICS 2023; 26:671-676. [PMID: 38292748 PMCID: PMC10823979 DOI: 10.4103/jcde.jcde_79_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/27/2023] [Accepted: 10/06/2023] [Indexed: 02/01/2024]
Abstract
Context The significance of enamel etching has been well-researched and established. Limited literature is available comparing the enamel bond strengths of the two-step self-etch adhesive system and the newly introduced universal adhesive (UA) system with prior acid etching. Aims The aim of the study was to evaluate and compare the microtensile bond strength (μTBS) of composite to enamel with and without 37% orthophosphoric acid pre-etching using a recently introduced UA and a two-step self-etch adhesive. Subjects and Methods This in vitro, experimental study was conducted on 48 extracted human third molar teeth. Two enamel surface fragments were obtained per tooth, polished using 600-grit silicon carbide abrasive paper, and randomly divided into four groups-CLEARFIL SE BOND with and without acid pre-etching and G-Premio Bond with and without acid pre-etching. The samples were etched using 37% phosphoric acid gel for 30 s, followed by the bonding protocol. Composite resin blocks were built incrementally to a thickness of approximately 6 mm, and the restored samples were stored in distilled water for 24 h at 37°C. They were then sectioned, mounted, and subjected to a μTBS test using a universal testing machine. Statistical Analysis Used Statistical analysis of the data was performed using one-way ANOVA and Tukey's post hoc test using SPSS software version 22.0. Results Samples bonded with the UA subjected to prior acid etching protocol demonstrated the highest enamel μTBS. In contrast, those treated with the two-step self-etch adhesive without prior acid etching demonstrated the lowest enamel μTBS. Pre-etching with phosphoric acid significantly increased the enamel bond strength of both bonding agents, with the universal agent showing better results than the two-step adhesive system. Conclusions Enamel etching with phosphoric acid significantly increases the bond strength of self-etch adhesives. UA with prior acid etching showed the maximum enamel μTBS. Two-step self-etch adhesive without prior acid etching yielded enamel μTBSs unacceptable for long-term, durable bonding.
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Affiliation(s)
- Krutika Menon
- Department of Conservative Dentistry and Endodontics, College of Dental Sciences, Davanagere, Karnataka, India
| | - Siddheswaran Vijayaraghavan
- Department of Conservative Dentistry and Endodontics, College of Dental Sciences, Davanagere, Karnataka, India
| | - N. M. Dhanyakumar
- Department of Conservative Dentistry and Endodontics, College of Dental Sciences, Davanagere, Karnataka, India
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Bourgi R, Hardan L, Cuevas-Suárez CE, Devoto W, Kassis C, Kharma K, Harouny R, Ashi T, Mancino D, Kharouf N, Haikel Y. Effectiveness of Different Application Modalities on the Bond Performance of Four Polymeric Adhesive Systems to Dentin. Polymers (Basel) 2023; 15:3924. [PMID: 37835974 PMCID: PMC10574991 DOI: 10.3390/polym15193924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
One of the major goals of adhesive dentistry is to improve the interaction of the already-existing adhesives with different substrates by using different application techniques. Thus, the objective of the present in vitro study was to assess the bond performance of four adhesive systems, Prime&Bond Universal (PBU), Clearfil SE Bond (CSE), OptiBond Universal (OBU), and OptiBond FL (OBFL), to dentin using various application modes: passive application (PA), active application (AA), Compo-Vibes modified application (CVM), and Compo-Vibes application (CV). Eighty extracted human molars were allocated into four groups based on the application modalities tested. The micro-tensile bond strength as well as fracture mode were tested in accordance with ISO/TS 11.405 after 24 h and 6 months of aging. Adhesive contact angle (CA) and scanning electron microscope analysis were also performed (n = 3). Statistical tests were performed with α = 0.05. After 24 h, a significant difference with a higher bond strength value was found for PBU in the AA modality and for CSE in the CVM modality (p < 0.05). However, no significant difference was shown between the techniques used among the other adhesives (OBFL and OBU). Moreover, at 24 h, only the PA demonstrated significant differences between the tested materials (p < 0.05). After 6 months, CSE, PBU, and OBU demonstrated significant differences between the techniques (p < 0.05), with a higher bond strength for CSE in AA and CVM modalities, for PBU in AA modality, and for OBU in AA and PA modalities. No significant differences were found between the techniques used among the OBFL (p > 0.05). In addition, only the CVM technique demonstrated significant differences between the tested materials after 6 months. CV and CVM showed a decreased value after aging for CSE and PBU, respectively. However, all the modalities decreased for OBU and OBFL after aging. All the adhesives showed marked resin infiltration into dentinal tubules in AA among all the modalities tested. Both universal adhesive systems (OBU and PBU) demonstrated statistically lower CA when compared to the other systems (CSE and OBFL) (p < 0.05) when applied in the PA mode. Concerning the AA mode, only CSE and OBFL were tested. The AA demonstrated lower CA values compared to the same adhesives in PA (p < 0.05). It could be concluded that the bond strength could be influenced by both materials and application techniques. It seems that the AA technique could be recommended as a gold standard for the application of an adhesive system to dentin. Plus, the CV and CVM modalities after 6 months of aging were considered stable for PBU and CSE, respectively. Consequently, the performance of these adhesive systems might vary when applied to other modalities. Future studies are needed to test this hypothesis.
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Affiliation(s)
- Rim Bourgi
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (L.H.); (C.K.); (K.K.); (R.H.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France; (T.A.); (D.M.); (Y.H.)
| | - Louis Hardan
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (L.H.); (C.K.); (K.K.); (R.H.)
| | - Carlos Enrique Cuevas-Suárez
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, San Agustín Tlaxiaca 42160, Mexico;
| | - Walter Devoto
- Independent Researcher, 16030 Sestri Levante, Italy;
| | - Cynthia Kassis
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (L.H.); (C.K.); (K.K.); (R.H.)
| | - Khalil Kharma
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (L.H.); (C.K.); (K.K.); (R.H.)
| | - Ryan Harouny
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (L.H.); (C.K.); (K.K.); (R.H.)
- Craniofacial Research Laboratory, Division of Biomaterials, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon
| | - Tarek Ashi
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France; (T.A.); (D.M.); (Y.H.)
| | - Davide Mancino
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France; (T.A.); (D.M.); (Y.H.)
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Naji Kharouf
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France; (T.A.); (D.M.); (Y.H.)
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
| | - Youssef Haikel
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, University of Strasbourg, 67000 Strasbourg, France; (T.A.); (D.M.); (Y.H.)
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
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Haak R, Stache G, Schneider H, Häfer M, Schmalz G, Schulz-Kornas E. Effect of the Adhesive Strategy on Clinical Performance and Marginal Integrity of a Universal Adhesive in Non-Carious Cervical Lesions in a Randomized 36-Month Study. J Clin Med 2023; 12:5776. [PMID: 37762718 PMCID: PMC10531668 DOI: 10.3390/jcm12185776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
The effectiveness of a universal adhesive applied in three application modes for the preparation of Class V composite restorations was evaluated both clinically and by quantitative marginal analysis (QMA) over 36 months. In 50 patients, three (n = 21) or four (n = 29) non-carious cervical lesions (NCCL) were restored with Venus® Diamond Flow (Kulzer GmbH, Hanau, Germany). The adhesive iBond® Universal (iBU, Kulzer, Germany) was used in self-etch (SE), etch-and-rinse (ER), or selective-enamel-etch mode (SEE). The etch-and-rinse adhesive OptiBondTM FL served as a control (OFL, Kerr GmbH, Herzogenrath, Germany). The restorations were clinically assessed (FDI criteria) at 14 days (BL), 6, 12, 24, and 36 months. Additionally, QMA was conducted on all restorations of 11 randomly selected patients. FDI criteria and marginal gap and perfect margin were compared between and within groups and recalls using McNemar, Wilcoxon, or Mann-Whitney U-tests (α = 0.05). Starting with 12 months, cumulative failure rates were lower in iBU-SE (0.0%, p = 0.016) and iBU-ER groups (2.1%, p = 0.07) compared to OFL (16.7%). At two years, iBU-SEE also showed fewer failures (0.0% SEE vs. 34.6% OFL, p = 0.016), as did iBU-SE compared to iBU-ER after 36 months (2.2 and 19.6%, p = 0.039). From BL, the iBU-SEE group always had the fewest marginal gaps and the highest percentage of perfect margins. From BL, iBU-SEE (0%, p = 0.008) and iBU-ER (0.2%, p = 0.027) showed significantly fewer marginal gaps compared to OFL (2.5%) and more perfect margins were found with iBU-SEE starting at 6 months (p = 0.054). The SEE and ER modes ensured the most excellent marginal quality, with differences from the control appearing earlier with QMA than clinically. In restoring NCCls, iBU showed superior clinical performance over OFL, especially in modes SE and SEE.
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Affiliation(s)
| | | | | | | | | | - Ellen Schulz-Kornas
- Department of Cariology, Endodontology and Periodontology, University of Leipzig, Liebigstraße 12, 04103 Leipzig, Germany
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Arandi NZ. The Classification and Selection of Adhesive Agents; an Overview for the General Dentist. Clin Cosmet Investig Dent 2023; 15:165-180. [PMID: 37692095 PMCID: PMC10488680 DOI: 10.2147/ccide.s425024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/23/2023] [Indexed: 09/12/2023] Open
Abstract
Adhesive agents are essential to most restorative procedures used in everyday practice. Depending on the clinical situation, the dentist will choose among a rapidly evolving variety of adhesive agents (bonding agents). Due to the availability of many adhesive agents, appropriate selection can take time and effort. Typically, a practitioner relies more on marketing and experience than in-depth material knowledge. The classification of adhesive agents may need to be clarified and easier to remember due to its lack of relevance to clinical procedures. This paper reviews the published literature retrieved from PubMed, Google Scholar, and Scopus by using specific keywords "adhesive agents", "classification", "dentin", "enamel", "universal", "self-etch", "etch-and-rinse", and "bonding". The titles and abstracts were screened, and the relevant literature was retrieved. The list of references from each identified article was examined to find other potentially relevant articles. Adhesive agents can be classified as etch-and-rinse, self-etch, or "multi-mode" according to their approach to interacting with the smear layer, and each approach can be further classified according to the number of clinical steps required during application. This article reviews the classification of current adhesive agents and discusses the properties that make a specific adhesive agent the optimal choice for a particular clinical indication. The review will assist the general dentist in understanding the various types of available adhesive agents and how they function. Overall, the review will facilitate decision-making and allow the selection of appropriate materials.
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Affiliation(s)
- Naji Ziad Arandi
- Department of Conservative Dentistry, Faculty of Dentistry, Arab American University, Jenin, Palestine
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Siqueira FSFD, Wendlinger M, Araújo LCR, Moreira PHDA, Cardenas AFM, Carvalho TS, Reis A, Loguercio AD. Bonding performance of universal adhesives to eroded dentine: A 6-year evaluation. J Dent 2023; 136:104633. [PMID: 37490967 DOI: 10.1016/j.jdent.2023.104633] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 07/06/2023] [Accepted: 07/21/2023] [Indexed: 07/27/2023] Open
Abstract
OBJECTIVES To evaluate the microtensile bond strength (µTBS) and nanoleakage (NL) of several universal adhesives to eroded dentine (ED) using etch-and-rinse (ER) and self-etch (SE) strategies, immediately and after 6 years of water storage. MATERIAL AND METHODS Four hundred and eighty human molars were distributed into 60 groups according to dentine substrate (sound dentine [SD], eroded with soft drink, or eroded with citric acid), application method of the adhesive (SE or ER), and the adhesives used: 1. All-Bond Universal, 2. Ambar Universal, 3. Clearfil Universal, 4. Futurabond U, 5. One Coat 7 Universal, 6. Peak Universal Bond, 7. Prime&Bond Elect, 8. Scotchbond Universal, 9. Tetric n-bond Universal, and 10. Xeno Select. The restoration was then performed with a composite resin, and the specimens were sectioned into resin-dentine bonded sticks. The sticks were tested (immediately or after 6 years of storage) for µTBS (0.5 mm/min) or used to assess NL. The eroded dentine surfaces were also examined using FE-SEM to evaluate the NL. Data for µTBS were analyzed by four-way ANOVA and Tukey's post-hoc test (a = 0.05), and the NL was analyzed by Kruskal-Wallis and the Wilcoxon Signed Rank Sum test (a = 0.05). RESULTS In ED, there was no difference in μTBS and NL between ER and SE strategies (p > 0.05). Most μTBS and NL values obtained for ED were lower and higher, respectively, than those for SD (p < 0.005). Additionally, the worst results (μTBS and NL) were observed for erosion with citric acid groups in comparison with erosion with soft-drink groups (p < 0.007). After 6y, μTBS was generally lower and NL higher for all substrates, adhesives, and strategies (p < 0.05), except for AMB, SBU, and TEU in dentine eroded with citric acid. The lowest μTBS and highest NL values were observed for ABU, FBU, OCU, PUB, PBE, and XEN in both types of eroded dentine and evaluation times (p < 0.002). CONCLUSION The use of MDP-containing adhesives seems to be essential to maintain adhesion to eroded dentine. However, other factors such as acidity should be considered. CLINICAL SIGNIFICANCE The bonding of eroded dentine is a challenge. However, the use of MDP-containing universal adhesives showed less degradation after long-term evaluation.
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Affiliation(s)
| | - Michel Wendlinger
- Department of Restorative Dentistry, Ponta Grossa State University, Ponta Grossa, Paraná, Brazil
| | | | | | | | - Thiago Saads Carvalho
- Department of Pediatric Dentistry, School of Dental Medicine, Bern University, Switzerland
| | - Alessandra Reis
- Department of Restorative Dentistry, Ponta Grossa State University, Ponta Grossa, Paraná, Brazil.
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, Ponta Grossa State University, Ponta Grossa, Paraná, Brazil
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Cavalcanti KGBA, Pulido C, Moreira PHA, Monteles CF, Salvatierra BLC, Siqueira FSF, Soares CJ, Reis A, Loguercio AD, Cardenas AFM. Effect of irradiance and exposure time on the adhesive properties of universal adhesives after 2 years of storage. Clin Oral Investig 2023; 27:5223-5232. [PMID: 37458867 DOI: 10.1007/s00784-023-05142-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 07/04/2023] [Indexed: 09/10/2023]
Abstract
OBJECTIVE This study aims to evaluate the effects of exposure time and irradiance on the dentin bonding properties (microtensile bond strength (μTBS) and nanoleakage (NL)) of the Clearfil Universal Bond Quick (CUQ) adhesive and Scotchbond Universal Adhesive (SBU) immediately and after 2 years of water storage. MATERIAL AND METHODS Hence, 128 human molars were randomly assigned to 16 groups based on adhesive strategy, irradiance/exposure times, and storage time for each universal adhesive tested. The adhesives were applied using the etch-and-rinse and self-etch strategies and were light-cured using four different irradiance/exposure times: 1400 mW/cm2 for 5 s (1400 × 5), 1400 mW/cm2 for 10 s (1400 × 10), 3200 mW/cm2 for 5 s (3200 × 5), and 3200 mW/cm2 for 10 s (3200 × 10). Then, each sample was restored and sectioned into a resin-dentin bonded stick to be tested for μTBS and NL (immediately and after 2 years of water storage). The mean μTBS and NL of all resin-dentin bonded sticks from the same hemi-tooth (factor time) were statistically analyzed using a three-way ANOVA and Tukey's test (a = 0.05). RESULTS Despite a significant decrease in the μTBS values for all groups after 2 years of water storage, the 3200 × 5 group showed higher μTBS values, whereas the 3200 × 10 group showed lower μTBS values for both universal adhesives tested. Although a significant increase in the NL values was observed for all groups after 2 years of water storage, the 3200 × 10 group showed higher NL values than the other groups (p < 0.001). CONCLUSION Results indicate that light-curing the adhesive layer with 14-16 J/cm2 led to an improvement in the stability of the resin-dentin adhesive interface. A longer exposure time (10 s) coupled with a higher irradiance (3200 mW/cm2) resulted in a greater degree of degradation of the adhesive interface. CLINICAL SIGNIFICANCE To guarantee better stability of the adhesive interface, clinicians could be preferred a light-cured universal adhesive layer with 14-16 J/cm2. Higher irradiances should be avoided.
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Affiliation(s)
| | - Camilo Pulido
- Department of Restorative Dentistry and Biomaterials, San Francisco de Quito University, Quito, Ecuador
| | - Pedro H A Moreira
- Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - Camila F Monteles
- Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - Byron L C Salvatierra
- Department of Restorative Dentistry, Ponta Grossa State University, Rua Carlos Cavalcanti, 4748, Bloco M, Sala 64A-Uvaranas, Ponta Grossa, Paraná, 84030-900, Brazil
| | | | - Carlos J Soares
- Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
- Department of Operative Dentistry and Dental Materials, Dental School, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Alessandra Reis
- Department of Restorative Dentistry, Ponta Grossa State University, Rua Carlos Cavalcanti, 4748, Bloco M, Sala 64A-Uvaranas, Ponta Grossa, Paraná, 84030-900, Brazil
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, Ponta Grossa State University, Rua Carlos Cavalcanti, 4748, Bloco M, Sala 64A-Uvaranas, Ponta Grossa, Paraná, 84030-900, Brazil.
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21
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Wendlinger M, Nuñez A, Moreira P, Carneiro TS, Cochinski GD, Siqueira F, Cardenas A, Loguercio AD. Effect of the Absence of HEMA on the Bonding Properties of Universal Adhesive Systems Containing 10-MDP: An In Vitro Study. Oper Dent 2023; 48:500-512. [PMID: 37503689 DOI: 10.2341/22-050-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/24/2023] [Indexed: 07/29/2023]
Abstract
OBJECTIVES To evaluate the absence of 2-hydroxyethyl methacrylate (HEMA) on the adhesive properties with enamel and dentin of universal adhesive systems containing 10-methacryloyloxydecyl dihydrogen phosphate (MDP). METHODS AND MATERIALS One hundred and twelve caries-free third molars were used to test adhesion to dentin (n=64) and enamel (n=48). For each substrate, teeth were divided into eight experimental groups: four different adhesives each using two adhesive strategies. The adhesives used were: (1) Scotchbond Universal (SBU, 3M Oral Care, St Paul, MN, USA) as a HEMA-containing universal adhesive; (2) Gluma Bond Universal (GBU, Kulzer, Hanau, Germany); (3) Solare Universal Bond (SUB, GC, Tokyo, Japan); and (4) Zipbond Universal (ZIP, SDI, Victoria, Australia) as HEMA-free universal adhesives. The adhesive strategies used were etch-and-rinse (ER) and self-etch (SE). For dentin tests, the occlusal third of the crown of all teeth was removed and an adhesive protocol was applied. After completing the restoration, specimens were sectioned into bonded sticks (0.8 mm 2) and tested for microtensile bond strength (μTBS), in situ degree of conversion (DC), and nanoleakage (NL) by scanning electron microscopy. For enamel tests, teeth were sectioned into four parts (buccal, lingual, and proximal), and an adhesive protocol was applied. After completing the restoration, the specimens were tested for their microshear bond strength (μSBS). For in situ degree of conversion (DC) and nanoleakage (NL) evaluation of enamel, the specimens were sectioned in slices to be evaluated. The data for each substrate were subjected to two-way ANOVA and Tukey's test (α=0.05) for each property evaluated. RESULTS The SBU and ZIP adhesives showed the highest μSBS, and DC (dentin and enamel) and lower NL (dentin) values compared to GBU and SUB (p=0.001). However, SBU showed better results in terms of μTBS and μSBS (SE strategy), and DC (dentin and enamel) than ZIP. Strategy ER presented higher values of μTBS and μSBS when compared to strategy SE (p=0.001), except for SBU. CONCLUSION The effect of the absence of HEMA in commercial universal adhesive systems on enamel and dentin adhesive properties appears to be material-dependent.
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Affiliation(s)
- M Wendlinger
- Michel Wendlinger, DDS, Ms, PhD student, Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, Paraná, Brazil
| | - A Nuñez
- Alejandra Nuñez, DDS, MS, PhD student, Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, Paraná, Brazil, and professor, Department of Restorative Dentistry and Biomaterials, San Francisco de Quito University, Quito, Ecuador
| | - Pha Moreira
- Pedro Henrique Aguiar Moreira, DDS, MS student, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - T S Carneiro
- Taynara de Souza Carneiro, DDS, MS student Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, Paraná, Brazil, and Health Sciences Faculty, Area of Stomatology, IDIBO research group Rey Juan Carlos University, Alcorcón, Madrid, Spain
| | - G D Cochinski
- Gabriel David Cochinski, DDS, MS student, Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, Paraná, Brazil
| | - Fsf Siqueira
- Fabiana Suelen Figuerêdo de Siqueira, DDS, MS, PhD, professor, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - Afm Cardenas
- Andres Felipe Millan Cardenas, DDS, Ms, PhD, professor, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - A D Loguercio
- *Alessandro D. Loguercio, DDS, MS, PhD, professor, Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
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Alkattan R. Adhesion to enamel and dentine: an update. Prim Dent J 2023; 12:33-42. [PMID: 37705470 DOI: 10.1177/20501684231196756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
With the continuous development of adhesive technology leading to a wide variety of bonding systems in the market, clinicians are often faced with a vast number of systems to choose from. Although research and manufacture of bonding systems is constantly progressing, the focus has generally been on simplifying the bonding process by reducing the number of clinical steps, with little emphasis on evidence-based performance. This article draws attention to the current strategies of common commercially available products to guide clinicians during bonding system selection and application.
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Affiliation(s)
- Rana Alkattan
- Rana Alkattan BDS, MSD, ABOD, PhD Assistant Professor, Department of Restorative and Prosthetic Dental Sciences, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
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23
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Matos TP, Ñaupari-Villasante R, Kunz PVM, Hass V, Reis A, Gutiérrez MF, Loguercio AD. 48-month clinical evaluation of a copper-containing universal adhesive in non-carious cervical lesions: A double-blind randomised clinical trial. Dent Mater 2023; 39:820-830. [PMID: 37481368 DOI: 10.1016/j.dental.2023.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 07/01/2023] [Accepted: 07/02/2023] [Indexed: 07/24/2023]
Abstract
OBJECTIVES This study aimed to evaluate the effect of copper nanoparticles (CuNp) on the clinical performance of a universal adhesive system used as an etch-and-rinse or self-etch strategy. METHODS A total of 216 class V (non-carious lesions) restorations were randomly placed in 36 subjects according to the following groups: ERcu, adhesive in etch-and-rinse with 0.1% CuNp; ERct, adhesive in etch-and-rinse without CuNp; SEcu, adhesive in self-etch with 0.1% CuNp; and Sect, adhesive in self-etch without CuNp. Restorations were evaluated at baseline and at 6, 12, 18, 36, and 48 months, using the FDI and USPHS criteria. Appropriate statistical analyses were performed (α = 0.05). RESULTS After 48 months, 14 restorations were lost (two for ERcu, five for SEcu, and seven for SEct) and the retention rates (95% confidence interval [CI]) were 74.1% for ERcu (95% CI 61.1-83.8); 81.5% for ERct (95% CI 69.2-89.6); 64.8% (95% CI 51.5-76.2) for SEcu; and 64.8% (95% CI 51.5-76.2) for SEct, with statistical differences between SEct vs. ERct and SEcu vs. ERct (p < 0.05). No significant differences between the groups were observed when the secondary parameters were evaluated (p > 0.05). Nineteen restorations (two for ERcu, two for ERct, six for SEcu, and nine for SEct) showed minor marginal staining, and 44 restorations (7 for ERcu, 8 for ERct, 14 for SEcu, and 15 for SEct) presented minimal marginal adaptation defects. SIGNIFICANCE This is the first long-term clinical trial to show that the addition of CuNp to a universal adhesive system does not affect clinical performance.
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Affiliation(s)
- Thalita P Matos
- School of Dentistry, Tuiuti University, Rua Santo Inácio, 395, Zip Code 82010-210 Curitiba, Santo Inácio, Curitiba, Paraná, Brazil
| | - Romina Ñaupari-Villasante
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Zip Code 84030-900, Campus Uvaranas, Ponta Grossa, Paraná, Brazil
| | - Patrícia Valeria Manozzo Kunz
- School of Dentistry, Tuiuti University, Rua Santo Inácio, 395, Zip Code 82010-210 Curitiba, Santo Inácio, Curitiba, Paraná, Brazil
| | - Viviane Hass
- School of Dentistry, Oral and Craniofacial Sciences, University of Missouri-Kansas City, Kansas City, MO, USA
| | - Alessandra Reis
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Zip Code 84030-900, Campus Uvaranas, Ponta Grossa, Paraná, Brazil
| | - Mario F Gutiérrez
- Universidad de los Andes, Chile, Facultad de Odontología, Santiago Zip Code 7550000, Chile; Physiology Laboratory, Institute for Research in Dental Sciences, University of Chile, Santiago Zip Code 8380544, Chile.
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Zip Code 84030-900, Campus Uvaranas, Ponta Grossa, Paraná, Brazil
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Calamita RS, Oliveira AAD, Pizzanelli GG, Salvador MVO, Mesquita AMM, Pecorari VGA, Lima AF. Interaction of different concentrations of 10-MDP and GPDM on the zirconia bonding. Dent Mater 2023; 39:665-668. [PMID: 37225538 DOI: 10.1016/j.dental.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/12/2023] [Accepted: 05/02/2023] [Indexed: 05/26/2023]
Abstract
OBJECTIVES To analyze the influence of different concentrations of 10-MDP and GPDM used, combined or not, on the bonding to zirconia. METHODS Specimens of zirconia and a resin-composite (7 mm length, 1 mm width, and 1 mm thick) were obtained. The experimental groups were obtained according to the functional monomer (10-MDP and GPDM) and the concentrations (3 %, 5 %, and 8 %). For the groups with combined 10-MDP and GPDM, the agents were used with a proportion of 50 %/50 % wt until reaching the 3 %, 5 % and 8 % concentrations. All monomers were diluted in ethanol to obtain the primers. Two control groups were established: ethanol (negative control) and a commercial reference Monobond N (positive control). The zirconia surface treatment was performed with the primer application followed by the bonding to a resin-composite sample with a light-curing resin cement. Twenty-four hours after the adhesive procedure, a microtensile test was performed and the failure pattern of each sample was analysed with a stereoscopic magnifying glass. Data were analysed by a two-way ANOVA and Dunnet test. RESULTS All experimental primers presented a higher bond strength than the negative control (ethanol). Excepting the 8 % GPDM primer, all groups presented statistically similar bond strength compared to the positive control, with a predominance of adhesive failure. SIGNIFICANCE 10-MDP, GPDM, and the combination of both for the concentrations tested promote an effective chemical bonding to zirconia. However, using 10-MDP and GPDM in the same primer has no synergistic effect.
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Affiliation(s)
- Rafael Soares Calamita
- Dental Research Division, Paulista University, Rua Doutor Bacelar, 1212, 04026-002 Sao Paulo, Brazil
| | | | - Giulia Gamero Pizzanelli
- Dental Research Division, Paulista University, Rua Doutor Bacelar, 1212, 04026-002 Sao Paulo, Brazil
| | | | | | | | - Adriano F Lima
- Dental Research Division, Paulista University, Rua Doutor Bacelar, 1212, 04026-002 Sao Paulo, Brazil.
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Ñaupari-Villasante R, Matos TP, de Albuquerque EG, Warol F, Tardem C, Calazans FS, Poubel LA, Reis A, Barceleiro MO, Loguercio AD. Five-year clinical evaluation of universal adhesive applied following different bonding techniques: A randomized multicenter clinical trial. Dent Mater 2023:S0109-5641(23)00107-0. [PMID: 37147235 DOI: 10.1016/j.dental.2023.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/07/2023]
Abstract
OBJECTIVES To evaluate the clinical performance of a universal adhesive system (Futurabond U, Voco) when applied following different adhesive strategies in non-carious cervical lesions (NCCLs) after 5 years. METHODS Fifty participants were included. Futurabond U (Voco) was applied in NCCLs using four adhesive strategies (n = 50 each): only self-etch (SE); selective enamel etching + self-etch (SET + SE); etch-and-rinse with dry dentin (ERD); and etch-and-rinse with wet dentin (ERW). All cavities were restored with Admira Fusion composite resin (Voco). Restorations were evaluated after 1, 3, and 5 years using the World Federation criteria (FDI) and the modified United States Public Health Service (USPHS) criteria. RESULTS After 5 years, retention rates were 81 % (65.8-90.5) for SE, 87 % (73.2-94.4) for SET + SE, 84 % (69.6-92.6) for ERD, and 78 % (63.6-88.9) for ERW (p > 0.05). Thirty-five restorations were considered to have minor discrepancies in marginal adaptation at the 5-year recall (14 for SE, 9 for SET + SE, 6 for ERD, and 6 for ERW; p > 0.05). Sixteen restorations were detected as a minor marginal discoloration (6 for SE, 4 for SET + SE, 1 for ERD, and 5 for ERW; p > 0.05) and one restoration showed a recurrence of caries (1 for ERW; p > 0.05) at the 5-year recall. No restorations showed postoperative sensitivity after 5 years. SIGNIFICANCE NCCLs restorations using a universal adhesive showed satisfactory clinical performance after 5 years, regardless of the adhesive strategy.
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Affiliation(s)
- Romina Ñaupari-Villasante
- Department of Restorative Dentistry, School of Dentistry, Ponta Grossa State University, Avenida General Carlos Cavalcanti, 4748, Ponta Grossa, PR ZIP CODE 84010-330, Brazil
| | - Thalita P Matos
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, R. Padre Ladislau Kula, 395 - Santo Inácio, Curitiba, PR ZIP CODE 82010-210, Brazil
| | - Elisa Gomes de Albuquerque
- Department of Restorative Dentistry, School of Dentistry, Juiz de Fora Federal University, Rua José Lourenço Kelmer, s/n - São Pedro, Juiz de Fora, MG ZIP CODE 36036-900, Brazil
| | - Flavio Warol
- Department of Restorative Dentistry, School of Dentistry, UNIGRANRIO, Rua Prof. José de Souza Herdy, 1.160, bloco C, 2º andar, 25 de Agosto, Duque de Caxias, RJ ZIP CODE 25071-202, Brazil
| | - Chane Tardem
- Department of Restorative Dentistry, School of Dentistry, Fluminense Federal University, Rua Mario Santos Braga, 28, 3° andar, Centro, Niterói, RJ ZIP CODE 24020-140, Brazil
| | - Fernanda Signorelli Calazans
- Department of Restorative Dentistry, School of Dentistry, Fluminense Federal University, Rua Doutor Silvio Henrique Braune, 22, Centro, Nova Friburgo, RJ ZIP CODE 28625-650, Brazil
| | - Luiz Augusto Poubel
- Department of Restorative Dentistry, School of Dentistry, Fluminense Federal University, Rua Doutor Silvio Henrique Braune, 22, Centro, Nova Friburgo, RJ ZIP CODE 28625-650, Brazil
| | - Alessandra Reis
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, R. Padre Ladislau Kula, 395 - Santo Inácio, Curitiba, PR ZIP CODE 82010-210, Brazil
| | - Marcos Oliveira Barceleiro
- Department of Restorative Dentistry, School of Dentistry, Fluminense Federal University, Rua Doutor Silvio Henrique Braune, 22, Centro, Nova Friburgo, RJ ZIP CODE 28625-650, Brazil
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, R. Padre Ladislau Kula, 395 - Santo Inácio, Curitiba, PR ZIP CODE 82010-210, Brazil.
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Hurtado A, Fuentes V, Cura M, Tamayo A, Ceballos L. Long-Term In Vitro Adhesive Properties of Two Universal Adhesives to Dentin. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16093458. [PMID: 37176339 PMCID: PMC10179858 DOI: 10.3390/ma16093458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/18/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023]
Abstract
The composition of universal adhesives, as well as the adhesive strategy, may influence bonding effectiveness and durability. This study aimed to evaluate the microtensile bond strength (µTBS) and nanoleakage (NL), immediately and after 6-month aging, and in situ degree of conversion (DC), of two universal adhesives (Scotchbond Universal Adhesive, SBU; Xeno Select, XEN) applied with etch-and-rinse (ER) and self-etch (SE) strategies, in comparison with a two-step SE adhesive (Clearfil SE Bond, CSE). Dentin surfaces of fifty human third molars were randomly assigned to the following adhesives: two universal adhesives, SBU and XEN, applied in ER or SE mode and CSE, used as control. Teeth were sectioned into beams to be tested under µTBS, half of them after 24 h, and the rest after 6 months of water aging. Selected beams from each tooth were used for NL evaluation and in situ DC quantification. SBU and CSE showed significantly higher mean µTBS and lower nanoleakage than XEN, regardless of the evaluation time and adhesion strategy. XEN-SE yielded the lowest degree of conversion. Therefore, adhesive properties of universal adhesives to dentin are material dependent, regardless of the adhesion strategy, exhibiting XEN a significantly worse performance than SBU.
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Affiliation(s)
- Ana Hurtado
- International Doctoral School, Rey Juan Carlos University, 28008 Madrid, Spain
| | - Victoria Fuentes
- IDIBO Research Group, Faculty of Health Sciences, Rey Juan Carlos University, 28922 Alcorcón, Madrid, Spain
| | - María Cura
- Faculty of Health Sciences, Rey Juan Carlos University, 28922 Alcorcón, Madrid, Spain
| | - Aitana Tamayo
- Institute of Ceramics and Glass, CSIC, Kelsen 5, 28049 Madrid, Spain
| | - Laura Ceballos
- IDIBO Research Group, Faculty of Health Sciences, Rey Juan Carlos University, 28922 Alcorcón, Madrid, Spain
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Are universal adhesives in etch-and-rinse mode better than old 2-step etch-and-rinse adhesives? One-year evaluation of bonding properties to dentin. J Dent 2023; 132:104481. [PMID: 36918052 DOI: 10.1016/j.jdent.2023.104481] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/22/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
OBJECTIVES This study compared the bonding properties of dentin of three 2-step etch-and-rinse adhesives (2-ERAs) to those of three universal adhesives (UAs) applied with an etch-and-rinse strategy (ER), immediately and after 1 year of water storage. METHODS Sixty caries-free molars were divided into 6 groups according to the adhesive systems used (n = 10). The 2-ERA systems included were: 1) Adper Single Bond 2 (SB), 2) Tetric N-Bond (TB), and 3) Ambar (AM); and the UAs systems were: 4) Single Bond Universal (SBU) 5) Tetric N-Bond Universal (TBU), and 6) Ambar Universal (AMU). The occlusal third of each tooth was removed and the adhesives were applied. After the composite build-up, specimens were sectioned and tested for microtensile bond strength (µTBS) and nanoleakage (NL) immediately and after 1 year of water storage. In situ degree of conversion (DC) was only evaluated in the immediate time. For water sorption (WS), solubility (SO), and mass change (MC) tests, 48 disk-shaped specimens were prepared (n = 8) and assessed according to ISO 4049:2009. RESULTS UAs showed higher µTBS and lower NL values than 2-ERAs did after 1 year of water storage (p = 0.001). Regarding DC, 2-ERAs showed higher DC values than UAs (p = 0.001). Regarding WS, 2-ERAs showed higher WS values than those of UAs (p = 0.00001), except for AM and AMU. Lower WS was observed for AM than for other 2-ERAs (p = 0.00001). CONCLUSION The use of UAs applied with the ER strategy seems to be a more effective technique for maintaining adhesion to dentin substrate than 2-ERAS. CLINICAL SIGNIFICANCE This study may support clinicians in selecting the most adequate adhesive system to be used in ER strategy in dentin, demonstrating that UAs were more effective, considering the longevity of the resin restorations.
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Soares J, Perdigão J, Chrispim B, Lopes GC. Effect of Extra Hydrophobic Resin Layer on Bonding of Universal Adhesive Systems to Enamel. Oper Dent 2023; 48:E48-E59. [PMID: 36928743 DOI: 10.2341/21-140-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2022] [Indexed: 03/18/2023]
Abstract
OBJECTIVE The objective of this study was to compare the effect of solvent in universal adhesives (UA) and the application of an extra layer of hydrophobic bonding resin on enamel shear bond strengths (SBS). METHODS AND MATERIALS Crowns of 224 bovine mandibular incisors were embedded in acrylic resin, wet-polished up to 600-grit silicon carbide paper and assigned to 3 UAs with different solvents (n=32): ethanol-based UA (ADU, AdheSE Universal, Ivoclar Vivadent); isopropanol-based UA (PBU, Prime&Bond Universal, Dentsply Sirona); and acetone-based UA (OPT, OptiBond Universal, Kerr Co). The same UAs were also applied with an extra layer of a hydrophobic bonding resin (HLB, Heliobond, Ivoclar Vivadent): ADU + HLB; PBU + HLB; and OPT + HLB. HLB alone was used as control. Enamel was etched with 37.5% H3PO4 (Kerr Gel Etchant, Kerr Co) for 15 seconds, rinsed with water, and air dried. UAs were applied according to the respective manufacturer's instructions. After adhesive application, composite cylinders (Filtek Z250, 3M Oral Care) were built up and light-cured (40 seconds/increment, 40 J/cm2) keeping the light tip in contact with the mold. Specimens were stored in water for 24 hours (24H) or for 6 months (6M). A knife-edged metallic rod (Ø=2.8-mm semicircular notch) loaded the composite cylinders until fracture. Mode of failure was analyzed with optical microscopy (40×). Statistics included twoway analysis of variance (ANOVA; adhesive strategy and water storage) and Tukey honestly significant difference (HSD) post hoc test (α=95%). RESULTS Mean enamel SBS ranged from 3.6 (±2.2) MPa (HLB/6M) to 24.7 (±7.1) MPa (ADU + HLB/6M). ANOVA revealed significant differences for adhesive strategy (p≤0.001) but no significant differences for water storage (p>0.05). All UAs resulted in similar mean enamel SBS with or without an extra layer of HLB at 24H. After 6M, only ADU resulted in higher enamel SBS when an extra layer of HLB was applied. All UAs resulted in higher mean enamel SBS than HLB (control). Most failures were adhesive exception for PBU/HLB/6M, which had mostly mixed failures. CONCLUSIONS UAs resulted in statistically higher enamel SBS than the nonsolvated hydrophobic bonding resin (control), regardless of the solvent in their composition. Application of an extra layer of hydrophobic bonding resin over UAs did not improve mean enamel SBS for isopropanol- and acetone-based UAs but did improve mean enamel SBS for the ethanol-based UA after 6M. Resin composite bonding to enamel using a hydrophobic bonding resin alone is not recommended.
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Affiliation(s)
- Jpb Soares
- José Paulo Barbosa Soares, DDS, MS, Department of Operative Dentistry, School of Dentistry, Federal University of Santa Catarina, Campus Universitário Trindade, Santa Catarina, Brazil
| | - J Perdigão
- *Jorge Perdigão, DMD, MS, PhD, Department of Restorative Sciences, Division of Operative Dentistry, University of Minnesota, Minneapolis, Minnesota, USA
| | - B Chrispim
- Bruna Chrispim, DDS, MS, Department of Operative Dentistry, School of Dentistry, Federal University of Santa Catarina, Campus Universitário Trindade, Florianópolis, Santa Catarina, Brazil
| | - G C Lopes
- Guilherme Carpena Lopes, DDS, MS, PhD, Department of Operative Dentistry, School of Dentistry, Federal University of Santa Catarina, Campus Universitário Caixa, Florianópolis, Santa Catarina, Brazil
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Porto ICCDM, Lôbo TDLGF, Rodrigues RF, Lins RBE, da Silva MAB. Insight into the development of versatile dentin bonding agents to increase the durability of the bonding interface. FRONTIERS IN DENTAL MEDICINE 2023. [DOI: 10.3389/fdmed.2023.1127368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
Despite the huge improvements made in adhesive technology over the past 50 years, there are still some unresolved issues regarding the durability of the adhesive interface. A complete sealing of the interface between the resin and the dentin substrate remains difficult to achieve, and it is doubtful whether an optimal interdiffusion of the adhesive system within the demineralized collagen framework can be produced in a complete and homogeneous way. In fact, it is suggested that hydrolytic degradation, combined with the action of dentin matrix enzymes, destabilizes the tooth-adhesive bond and disrupts the unprotected collagen fibrils. While a sufficient resin–dentin adhesion is usually achieved immediately, bonding efficiency declines over time. Thus, here, a review will be carried out through a bibliographic survey of scientific articles published in the last few years to present strategies that have been proposed to improve and/or develop new adhesive systems that can help prevent degradation at the adhesive interface. It will specially focus on new clinical techniques or new materials with characteristics that contribute to increasing the durability of adhesive restorations and avoiding the recurrent replacement restorative cycle and the consequent increase in damage to the tooth.
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Effect of an additional bonding resin on the 5-year performance of a universal adhesive: a randomized clinical trial. Clin Oral Investig 2023; 27:837-848. [PMID: 35821134 DOI: 10.1007/s00784-022-04613-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/29/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVES To evaluate the effect of the application of an additional hydrophobic bonding resin on the clinical performance of a universal adhesive applied in etch-and-rinse (ER) or self-etch adhesive (SE) strategy in non-carious cervical lesions (NCCLs) after 5 years. MATERIALS AND METHODS Scotchbond Universal Adhesive (3M Oral Care) was applied in 134 NCCLs of 39 subjects using different adhesion approaches: 3-step ER (3-ER), 2-step ER (2-ER), 2-step SE (2-SE), and 1-step SE (1-SE). Enamel and dentin were acid etched prior to application of the universal adhesive for the 3-ER and 2-ER groups. An extra layer of a hydrophobic bonding resin was applied for groups 3-ER and 2-SE. All lesions were restored with Filtek Supreme XTE resin composite (3M Oral Care). Restorations were evaluated at baseline and at 5 years using the modified USPHS criteria. Mann-Whitney U and Wilcoxon tests were performed, and the survival rates (retention/fracture) were analyzed using Kaplan-Meier and log-rank tests (p < 0.05). RESULTS The recall rate was 66.7% at 5 years. The cumulative survival rate was 96.9% for 3-ER, 96.8% for 2-ER, 71.4% for 2-SE, and 81.3% for 1-SE strategies. The log-rank test was statistically significant (p = 0.006). Retention rates were 100% for both ER groups, 75% for 2-SE and 81.3% for 1-SE. At 5 years, 2- and 1-SE approaches showed similar retention rates, but lower than those for 3- and 2-ER. A significant decrease in retention rate was detected for 2-SE (p = 0.007) and 1-SE (p = 0.014) groups between baseline and 5 years. All groups, except 2-ER, showed an increase in marginal discoloration. For this parameter, significant differences were detected between 2-ER and 1-SE (p = 0.004). CONCLUSIONS The addition of a hydrophobic bonding resin to the recommended application sequence of Scotchbond Universal Adhesive did not improve its clinical performance in NCCLs after 5 years. Higher retention rates were measured when this adhesive was applied in ER mode. TRIAL REGISTRATION This manuscript is a 5-year follow-up of a randomized clinical trial that started in 2012 when there was no strong recommendation for registration in clinicaltrials.gov. The results after 36 months of clinical service were previously published in this journal.
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Takamizawa T, Hirokane E, Sai K, Ishii R, Aoki R, Barkmeier WW, Latta MA, Miyazaki M. Bond durability of a two-step adhesive with a universal-adhesive-derived primer in different etching modes under different degradation conditions. Dent Mater J 2023; 42:121-132. [PMID: 36351598 DOI: 10.4012/dmj.2022-130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
This study investigated the enamel and dentin bond durability of a two-step adhesive system, using a universal adhesive-derived primer (G2-Bond Universal [GU]), and compared it with the two conventional, two-step, self-etch adhesive systems (Clearfil SE Bond 2 [CS] and OptiBond XTR [OX]) under thermal cycling (TC) and long-term water storage (WS). The shear bond strengths to bovine enamel and dentin were determined using the etch-and-rinse and self-etch modes. Twelve specimens per test group were prepared and further divided into the following subgroups: 1) subjected to TC, 2) long-term WS, and 3) WS for 24 h (baseline). The enamel and dentin bond durability of GU was superior to those of CS and OX in different etching modes and under different degradation conditions. The latest two-step adhesive system, which utilizes universal adhesives' benefits in its primer, might offer durable clinical bonding performances and can be widely used in a clinical setting.
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Affiliation(s)
| | - Eizo Hirokane
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Keiichi Sai
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Ryo Ishii
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Ryota Aoki
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Wayne W Barkmeier
- Department of General Dentistry, Creighton University School of Dentistry
| | - Mark A Latta
- Department of General Dentistry, Creighton University School of Dentistry
| | - Masashi Miyazaki
- Department of Operative Dentistry, Nihon University School of Dentistry
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Effect of Different Application Modalities on the Bonding Performance of Adhesive Systems to Dentin: A Systematic Review and Meta-Analysis. Cells 2023; 12:cells12010190. [PMID: 36611983 PMCID: PMC9818277 DOI: 10.3390/cells12010190] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/11/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023] Open
Abstract
Diverse types of dental adhesives exhibit different cytotoxic outcomes on cells in vitro. Currently, no standard adhesive application technique has so far been decisive for clinicians for better durability of resin-dentin bonds of adhesive systems. The purpose of this study was to systematically review the literature to evaluate the bonding performance of adhesive systems to dentin by using different application modalities. The systematic research strategy was conducted by two reviewers among multiple databases: PubMed, Scopus, Web of Science, Embase, and Scielo. In vitro studies reporting the effects of additional steps for the application of adhesive systems on the bond strength to dentin were selected. Meta-analysis was performed using Review Manager Software version 5.3.5 using the random effects model. The methodological quality of each in vitro study was assessed according to the parameters of a previous systematic review. The electronic research through different databases generated a total of 8318 references. After the examination of titles and abstracts, a total of 106 potentially relevant studies accessed the full-text evaluation phase. After full-text examination, 78 publications were included for the qualitative analysis, and 68 studies were included in the meta-analysis. Regarding the etch-and-rinse adhesive systems, the application modalities that improved the overall bond strength were the application of a hydrophobic resin layer (p = 0.005), an extended application time (p < 0.001), an application assisted by an electric current (p < 0.001), a double-layer application (p = 0.05), the agitation technique (p = 0.02), and the active application of the adhesive (p < 0.001). For self-etch adhesive systems, the techniques that improved the overall bond strength were the application of a hydrophobic resin layer (p < 0.001), an extended application time (p = 0.001), an application assisted by an electric current (p < 0.001), a double-layer application (p < 0.001), the agitation technique (p = 0.01), and the active application of the adhesive (p < 0.001). The in vitro evidence suggests that the application of adhesive systems using alternative techniques or additional strategies may be beneficial for improving their bond strength to dentin. The application modalities that favored the overall bond strength to dentin were an extended application time, a double-layer application, an application assisted by an electric current, the active application of the adhesive, and the application of a hydrophobic resin layer. Worth mentioning is that some techniques are intended to increase the degree of the conversion of the materials, and therefore, improvements in the biocompatibility of the materials can be expected.
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de Almeida RAM, Lima SNL, Nassif MV, Mattos NHR, de Matos TP, de Jesus Tavarez RR, Cardenas AFM, Bandeca MC, Loguercio AD. Eighteen-month clinical evaluation of a new universal adhesive applied in the "no-waiting" technique: a randomized clinical trial. Clin Oral Investig 2023; 27:151-163. [PMID: 36068369 PMCID: PMC9447982 DOI: 10.1007/s00784-022-04703-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 08/25/2022] [Indexed: 01/28/2023]
Abstract
OBJECTIVE The aim of this double-blind, randomized clinical trial was to evaluate the 6- and 18-month clinical performances of a new universal adhesive applied in the "no-waiting" (NW) technique to non-carious cervical lesions (NCCLs) using two evaluation criteria. MATERIALS AND METHODS One hundred and seventy-six restorations were assigned to four groups according to the adhesive system, adhesive strategy, and application mode: Prime&Bond Active (PB) applied using the etch-and-rinse (ER) and self-etch (SE) strategies with 20 s applications and Clearfil Universal Bond Quick (CQ) applied using the ER and SE strategies with the NW technique. The composite resin restorations were evaluated at baseline and after 6 and 18 months using the World Dental Federation (FDI) and US Public Health Service (USPHS) criteria. The Friedman repeated measures analysis of variance and Wilcoxon test were used for statistical analyses (α = 0.05). RESULTS No significant differences were observed among any of the groups or criteria after 6 months (p > 0.05). After 18 months, 10 restorations were lost (p > 0.05) (2 with PB-ER [95.5%; 95%CI: 92-100%], 4 with PB-SE [90.9%; 95%CI: 82-98%], 0 with CQ-ER [100%; 95%CI: 92-100%], and 4 with CQ-SE [90.9%; 82-98%]). The restorations performed with the SE strategy showed more marginal discrepancies than those performed with the ER strategy, mainly when the FDI criteria were used (p < 0.05). Those that used the PB-SE showed fewer marginal discrepancies than those that used the CQ-SE (FDI; p < 0.05). A few restorations showed marginal discrepancies after the USPHS analysis (p > 0.05). CONCLUSIONS The results when using the CQ-SE and -ER strategies with the NW technique were similar to those when using the PB-SE and -ER strategies in standard applications to non-carious cervical lesions after 6 and 18 months of clinical evaluation. CLINICAL RELEVANCE After 6 and 18 months, the application of Clearfil Universal Bond Quick with the "no-waiting" technique showed similar clinical performance compared to the standard application of Prime & Bond Active applied using the standard application time (20 s). TRIAL REGISTRATION ClinicalTrials.gov identifier RBR-5f9gps.
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Affiliation(s)
| | | | - Maria Vitória Nassif
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Parana, Curitiba, Parana, Brazil
| | | | - Thalita Paris de Matos
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Parana, Curitiba, Parana, Brazil
- Department of Restorative Dentistry, State University of Ponta Grossa, Rua Carlos Cavalcanti, 4748, Bloco M - Uvaranas, Ponta Grossa, Parana, Brazil
| | | | | | - Matheus Coelho Bandeca
- Department of Postgraduate Program in Dentistry, CEUMA University, Sao Luis, Maranhao, Brazil
- Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Parana, Curitiba, Parana, Brazil
| | - Alessandro D Loguercio
- Department of Restorative Dentistry, State University of Ponta Grossa, Rua Carlos Cavalcanti, 4748, Bloco M - Uvaranas, Ponta Grossa, Parana, Brazil.
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Korkut B, Ünal T, Can E. Two‐year retrospective evaluation of monoshade universal composites in direct veneer and diastema closure restorations. J ESTHET RESTOR DENT 2022; 35:525-537. [PMID: 36478098 DOI: 10.1111/jerd.12992] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/21/2022] [Accepted: 11/16/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVES The aim of this retrospective evaluation was to assess the short-term outcome of two monoshade universal resin composites with high chameleon effect in anterior direct veneer and diastema closure restorations, and to investigate the possible reasons for failure. MATERIAL AND METHODS Patients subjected to veneer and diastema closure restorations with two monoshade universal resin composites (Essentia Universal Shade; EU, GC Corp., and Omnichroma; OC, Tokuyama) operated between January 2018 and March 2019 were selected for the present retrospective evaluation. A total of 159 composite restorations (78 veneers and 81 diastema closure restorations) performed by a single operator in 44 patients (mean age: 33.6) were included in the study. Two blinded and calibrated examiners performed 1- and 2-year assessments of the restorations with respect to FDI criteria, using medical/clinical history and dental photography records. Data were analyzed using Pearson Chi-square with Continuity Correction, Fisher's Exact tests, and Cox regression (a < 0.05). RESULTS The cumulative overall survival rates of EU and OC restorations were 94.6% (97.3% for the first year) and 88.6% (95.3% for the first year), respectively, with no significant difference from each other (p = 0.316). The cumulative overall survival rates of direct veneer and diastema closure restoration types were 90.2% (95.1% for the first year) and 92.4% (97.4% for the first year), respectively, with no significant difference (p = 0.559). The reasons for failure were evaluated as fracture of the restoration, failure in esthetic anatomical form, and color mismatch. All the failed direct veneer restorations were due to fractures (FDI score of 5.4), whereas 5 of 6 failed diastema closure restorations were due to color mismatch (FDI score of 3.4). Regarding the composite materials, there were no significant differences between the success rates of the restoration types (p = 0.442 for EU, p = 1.000 for OC). With respect to the restoration types, there were also no significant differences between the success rates of the resin-based composites (p = 1.000 for direct veneer restorations and p = 0.228 for the diastema closure restorations). In addition, no significant difference was observed between male and female patients regarding the acceptable and unacceptable scores (p = 1.000). CONCLUSIONS The 2-year clinical performance of the two monoshade universal composites in anterior veneer and diastema closure restorations were both considered successful and similar. Despite the lack of shade selection, both monoshade universal composites presented a successful color match. However, the diastema closure restorations might be more prone to color mismatch compared to the veneers over time, while veneer restorations presented more fractures than the diastema closure restorations. CLINICAL SIGNIFICANCE Monoshade universal composites presented successful short-term clinical outcomes regarding both function and esthetics in anterior direct veneer and diastema closure restorations.
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Affiliation(s)
- Bora Korkut
- Faculty of Dentistry, Department of Restorative Dentistry Marmara University Istanbul Turkey
| | | | - Esra Can
- Faculty of Dentistry, Department of Restorative Dentistry Yeditepe University Istanbul Turkey
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Clinical Outcomes and Quantitative Margin Analysis of a Universal Adhesive Using a Randomized Clinical Trial over Three Years. J Clin Med 2022; 11:jcm11236910. [PMID: 36498485 PMCID: PMC9737201 DOI: 10.3390/jcm11236910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/15/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
The effectiveness of a universal adhesive applied in different application modes for the preparation of Class V composite restorations was evaluated both clinically and by quantitative marginal analysis (QMA). In each of the 22 patients, four non-carious cervical lesions (NCCL) were restored with Filtek™ Supreme XTE (3M). The adhesive Scotchbond™ Universal (SBU, 3M) was applied in self-etch (SE), selective-enamel-etch (SEE) or etch-and-rinse (ER) modes. The etch-and-rinse adhesive OptiBond™ FL (OFL, Kerr) served as a control. The restorations were clinically evaluated (FDI criteria) after 14 days (BL), 6, 12, 24, and 36 months. Additionally, QMA was conducted on all restorations of 11 randomly selected patients. The FDI criteria and marginal gap were statistically compared between the groups at each recall as well as for the time periods between recalls. The cumulative failure rate was non-significantly higher in the OFL group when compared to all of the SBU groups. Marginal adaptation in the OFL and SBU-SE/ER groups was significantly decreased (BL-36 m, p: 0.004) in comparison to the SBU-SEE group (BL-36 m, p: 0.063). More marginal gaps were found in the OFL group than in the SBU-SEE (BL to 36 m, p: 0.063-0.003) and SBU-ER (24/36 m, p: 0.066/0.005) groups as well as in the SBU-SE group when compared to the SBU-SEE (12-36 m, pi ≤ 0.016) and SBU-ER (24/36 m, p: 0.055/0.001) groups. SBU-SEE performed most effectively. The clinical evaluation and QMA corresponded, yet QMA detected group differences earliest after 6 months and is thus a valuable extension to clinical evaluations.
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Pan Y, Xu J, Cai X, Li X, Wang X. Effect of a novel pretreatment on the microtensile bond strength of universal adhesives with dentin. J Dent Sci 2022. [DOI: 10.1016/j.jds.2022.10.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Saikaew P, Sattabanasuk V, Harnirattisai C, Chowdhury AFMA, Carvalho R, Sano H. Role of the smear layer in adhesive dentistry and the clinical applications to improve bonding performance. JAPANESE DENTAL SCIENCE REVIEW 2022; 58:59-66. [PMID: 35140823 PMCID: PMC8814382 DOI: 10.1016/j.jdsr.2021.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 12/08/2021] [Accepted: 12/12/2021] [Indexed: 11/23/2022] Open
Abstract
Currently, dental adhesives can be divided into two systems; a smear layer-removal approach with etch-and-rinse adhesives or a smear layer-modified approach with self-etching adhesives. After phosphoric acid etching, the smear layer is completely removed. More attention is, however, required when using self-etching adhesives. The smear layer is partially demineralized by the weak acidic monomer and subsequently incorporated into the hybrid layer. Therefore, the characteristics of the smear layer play an important role on the bonding performance of self-etching adhesives. Such characteristics, for instance, smear layer thickness and smear layer density, are influenced by many factors, e.g., instruments used for dentin surface preparation, cutting speed, and the abrasive particle size of the cutting instruments. This review discusses the contributing factors that affect the smear layer characteristics, and the influence of the smear layer on the bonding performance of dental adhesives. Also, the application techniques regarding how to improve the bonding performance of self-etching adhesives – the smear layer removal by using chemical agents, or the modification of the adhesive application procedures – are provided.
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Abstract
Resin-bonded ceramic restorations are common treatment options. Clinical longevity of resin-bonded ceramic restorations depends on the quality and durability of the resin-ceramic bond. The type and composition of the specific ceramic determines the selection of the most effective bonding protocol. Such protocol typically includes a surface pretreatment step followed by application of a priming agent. Understanding of fundamental ceramic properties and chemical compositions enables the clinician to make proper material selection decisions for clinically successful and long-lasting restorations. Based on research accrued over the past decades, this article reviews and discusses current resin-bonding protocols to most commonly used dental ceramics.
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Affiliation(s)
- Markus B Blatz
- Department of Preventive and Restorative Sciences, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, PA 19104, USA.
| | - Julian Conejo
- Department of Preventive and Restorative Sciences, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, PA 19104, USA
| | - Amirah Alammar
- Sijam Medical Center, Northern Ring Road, Alghadeer District, Riyadh, Saudi Arabia
| | - Jose Ayub
- Department of Preventive and Restorative Sciences, University of Pennsylvania School of Dental Medicine, 240 South 40th Street, Philadelphia, PA 19104, USA
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Bond Durability of Two-Step HEMA-Free Universal Adhesive. J Funct Biomater 2022; 13:jfb13030134. [PMID: 36135569 PMCID: PMC9505787 DOI: 10.3390/jfb13030134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/22/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
The purpose of this study is to compare bond durability, in terms of fatigue bond strength, of a two-step HEMA-free universal adhesive and representative adhesives in each systematic category. The adhesives used in this study were OptiBond FL, Prime&Bond NT, Clearfil SE Bond 2, G2-Bond Universal, and Scotchbond Universal Plus Adhesive. Fatigue bond strength testing and scanning electron microscopy analysis of adhesively bonded enamel and dentin interfaces were performed. For the adhesives in etch-and-rinse mode, the enamel fatigue bond strength of the G2-Bond Universal adhesive was significantly higher than those of other adhesives, and the dentin fatigue bond strength of Prime&Bond NT was significantly lower than the others. For adhesives in self-etch mode, the enamel fatigue bond strengths of Clearfil SE Bond 2 and G2-Bond Universal were significantly higher than that of the Scotchbond Universal Plus Adhesive, and the dentin fatigue bond strength of G2-Bond Universal was significantly higher than Clearfil SE Bond 2 and the Scotchbond Universal Plus Adhesive. The two-step HEMA-free universal adhesive showed higher enamel and higher or equal dentin fatigue bond strength than other selected representative adhesive systems in etch-and-rinse mode and higher or equal enamel and higher dentin fatigue bond strength than adhesive systems in self-etch mode.
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Wang X, Yamauchi S, Sun J. Improve Dentin Bonding Performance Using a Hydrolytically Stable, Ether-Based Primer. J Funct Biomater 2022; 13:128. [PMID: 36135563 PMCID: PMC9501844 DOI: 10.3390/jfb13030128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
The objective of this study is to replace a traditional methacrylate-based primer (glycine, N-(2-hydroxy-3-(2-methyl-1-oxo-2-propenyl)propyl)-N-(4-methylphenyl) monosodium salt, NTG-GMA) with a hydrolytically stable ether-based primer (glycine, N-2-hydroxy-3-(4-vinylbenzyloxy)-propyl-N-(4-methylphenyl), monosodium salt, NTG-VBGE). The performance and durability of bonding composites to detin of two primers combined with methacrylate-based or ether-based adhesives were evaluated using shear bond strength (SBS) and micro-tensile bond strength (μTBS) combined with thermal cycling. The hydrolysis resistance of NTG-VBGE against hydrolysis was tested by challenging primed hydroxyapatite crystals with an esterase. The hydrophilicity of the primers and the resin spreading kinetics of adhesives on primed dentin were characterized by water contact angle measurements. The new primer NTG-VBGE was found to be compatible with both methacrylate-based adhesives and ether-based adhesives. The highest μTBS values were found in the test group of NTG-VBGE and ether-based adhesive, which was consistent with the resin spreading kinetics results. The more hydrophobic and hydrolytically stable primer/adhesive achieved improved dentin infiltration and bonding strength, suggesting significant potential for further developing dental restorative materials with extended service life.
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Affiliation(s)
- Xiaohong Wang
- American Dental Association Science & Research Institute, Gaithersburg, MD 20899, USA;
| | - Shinobu Yamauchi
- American Dental Association Science & Research Institute, Gaithersburg, MD 20899, USA;
- Research Center for Electron Photon Science, Tohoku University, Sendai 982-0826, Japan
| | - Jirun Sun
- The Forsyth Institute, Cambridge, MA 02142, USA;
- Harvard School of Dental Medicine, Boston, MA 02115, USA
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Cardenas A, Siqueira F, Nuñez A, Nonato RF, Cavalcanti K, Soares CJ, Reis A, Loguercio AD. Influence of Irradiance and Exposure Times on the Mechanical and Adhesive Properties of Universal Adhesives with Dentin. Oper Dent 2022; 47:412-424. [PMID: 35917253 DOI: 10.2341/21-042-l] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2021] [Indexed: 11/23/2022]
Abstract
OBJECTIVES This study evaluated the influence of irradiance/exposure time on the Knoop hardness (KHN) and polymer cross-linking density (PCLD), as well as microtensile bond strength (μTBS), nanoleakage (NL), and in situ degree of conversion (DC) of universal adhesives. METHODS AND MATERIALS Two universal adhesive systems, Clearfil Universal Bond Quick (CUQ) and Scotchbond Universal Adhesive (SBU), were light-cured using various irradiance/exposure times: 1400 mW/cm2 for 5 s (1400*5); 1400 mW/cm2 for 10 s (1400*10); 3200 mW/cm2 for 5 s (3200*5); and 3200 mW/cm2 for 10 s (3200*10). Adhesive disks from each group were used to measure PCLD by KHN. One hundred and twenty-eight human molars were randomly assigned to 16 groups according to the following variables: adhesive system vs adhesive strategies vs radiance/exposure times. After restoration, specimens were sectioned into resin-dentin sticks and tested for μTBS, NL, and DC. The data from PCLD (%), KHN, μTBS (MPa), NL (%), and DC (%) data were subjected to ANOVA and Tukey's test (α=0.05). RESULTS Significant reductions in KHN, μTBS, and DC (p=0.00001) values and an increase in NL and PCLD (p=0.00001) values were observed for 3200*10 when compared with other groups. Higher KHN, μTBS, and DC (p=0.000001) values were observed for 3200*5 in comparison with the other groups. The 1400*5 (7 J/cm2) and 1400*10 (14 J/cm2) groups showed intermediate values (p=0.000001). CONCLUSION Although similar results in terms of hardness, polymer cross-linking density and nanoleakage were observed when 5 seconds at 3200 mW/cm2 and 10 seconds at 1400 mW/cm2 groups were compared, the use of higher irradiance (3200 mW/cm2) for only 5 seconds showed better results in terms of bond strength and degree of conversion for both universal adhesives to dentin. The prolonged exposure time (10 seconds) at the higher irradiance (3200 mW/cm2) showed the worst results.
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Affiliation(s)
- Afm Cardenas
- Andres Felipe Millan Cardenas, DDS, Ms, PhD, professor, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - Fsf Siqueira
- Fabiana Suelen Figuerêdo de Siqueira, DDS, Ms, PhD, professor, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - A Nuñez
- Alejandra Nuñez, DDS, Ms, PhD student, Department of Restorative Dentistry, Ponta Grossa State University, Ponta Grossa, Paraná, Brazil, and Professor, Department of Restorative Dentistry and Biomaterials, San Francisco de Quito University, Quito, Ecuador
| | - R F Nonato
- Rammon de Faria Nonato, DDS, Ms student, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - Kgba Cavalcanti
- Karoline Guará Brusaca Almeida Cavalcanti, DDS, Ms, PhD student, Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil
| | - C J Soares
- Carlos José Soares, DDS, Ms, PhD, professor, Departament of Postgraduate Program in Dentistry, CEUMA University, São Luis, MA, Brazil, and Dental School, Department of Operative Dentistry and Dental Materials, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - A Reis
- *Alessandra Reis, DDS, PhD, professor, Department of Restorative Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil
| | - A D Loguercio
- Alessandro D. Loguercio, DDS, Ms, PhD, professor, Department of Restorative Dentistry, Ponta Grossa State University, Ponta Grossa, PR, Brazil
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Moreira MM, Farrapo MT, Sousa Pereira RDC, Rocha da Silva LR, Koller G, Watson T, Feitosa VP, Lomonaco D. Methacrylic monomer derived from cardanol incorporated in dental adhesive as a polymerizable collagen crosslinker. Dent Mater 2022; 38:1610-1622. [DOI: 10.1016/j.dental.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/27/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022]
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Stape THS, Viita-aho T, Sezinando A, Seseogullari-Dirihan R, Eleftheriadi E, Mutluay M, Tezvergil-Mutluay A. To etch or not to etch, Part II: On the hydrophobic-rich content and fatigue strength of universal adhesives. Dent Mater 2022; 38:1419-1431. [DOI: 10.1016/j.dental.2022.06.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 06/09/2022] [Accepted: 06/22/2022] [Indexed: 11/03/2022]
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de Brito GMAP, Silva DO, Macedo RFC, Ferreira MWC, Bauer J, Pedroso FDB, Reis A, Siqueira FSF, Loguercio AD, Cardenas AFM. Does the Application of Additional Hydrophobic Resin to Universal Adhesives Increase Bonding Longevity of Eroded Dentin? Polymers (Basel) 2022; 14:polym14132701. [PMID: 35808746 PMCID: PMC9268900 DOI: 10.3390/polym14132701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/17/2022] [Accepted: 05/30/2022] [Indexed: 12/10/2022] Open
Abstract
This paper evaluates the effect of an additional hydrophobic resin coat (extra HL) associated with universal adhesives on sound and eroded dentin and evaluated immediately or after 2 years of water storage to improve the microtensile bond strength (μTBS) and nanoleakage (NL) when compared to the use of universal adhesives only. Sixty-four molars were assigned to eight groups using the following combinations: 1. dentin substrate, including sound and eroded dentin; 2. treatment, including the control and extra HL and storage time (immediately and after two-years of storage). Two universal adhesives (Prime & Bond Active or Scotchbond Universal) were evaluated. Before restoration, half of the teeth were subjected to soft-drink erosion. Composite buildups were bonded; specimens were stored (37 °C/24 h), sectioned into resin−dentin bonded sticks and tested for microtensile bond strength and nanoleakage using SEM (immediately and after two-years of storage). Three-way ANOVA and Tukey’s test (α = 0.05%) were used. In the immediate testing, the application of extra HL did not increase microtensile bond strength values compared with the control group in either substrate (p > 0.05). However, extra HL significantly decreased nanoleakage values when applied to eroded and sound dentin (p = 0.0001). After two years, the application of extra HL produced significantly higher microtensile bond strength and lower nanoleakage values than the control group for both adhesives (p = 0.0001). In all cases, sound dentin showed higher microtensile bond strength and lower nanoleakage values than eroded dentin (p = 0.000001). An extra HL increased the bond strength and reduced nanoleakage in eroded dentin after two-years of storage.
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Affiliation(s)
- Graça Maria Abreu Pereira de Brito
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis 65075-120, Brazil; (G.M.A.P.d.B.); (D.O.S.); (F.S.F.S.); (A.F.M.C.)
| | - Daniella Oliveira Silva
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis 65075-120, Brazil; (G.M.A.P.d.B.); (D.O.S.); (F.S.F.S.); (A.F.M.C.)
| | | | | | - Jose Bauer
- Department of Postgraduate Program in Dentistry, Federal University of Maranhao, São Luis 65085-805, Brazil; (R.F.C.M.); (J.B.)
| | - Flavia de Brito Pedroso
- Department of Pharmacology, State University of Ponta Grossa, Uvaranas 84030-900, Brazil; (M.W.C.F.); (F.d.B.P.)
| | - Alessandra Reis
- Department of Restorative Dentistry, State University of Ponta Grossa, Uvaranas 84030-900, Brazil;
| | - Fabiana Suelen Figuerêdo Siqueira
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis 65075-120, Brazil; (G.M.A.P.d.B.); (D.O.S.); (F.S.F.S.); (A.F.M.C.)
| | - Alessandro Dourado Loguercio
- Department of Restorative Dentistry, State University of Ponta Grossa, Uvaranas 84030-900, Brazil;
- Correspondence:
| | - Andres Felipe Millan Cardenas
- Department of Postgraduate Program in Dentistry, CEUMA University, São Luis 65075-120, Brazil; (G.M.A.P.d.B.); (D.O.S.); (F.S.F.S.); (A.F.M.C.)
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Katsuki S, Takamizawa T, Yokoyama M, Sai K, Tamura T, Ishii R, Kamimoto A, Miyazaki M. Influence of bonding agent application method on the dentin bond durability of a two-step adhesive utilizing a universal-adhesive-derived primer. Eur J Oral Sci 2022; 130:e12868. [PMID: 35474469 DOI: 10.1111/eos.12868] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 03/25/2022] [Indexed: 11/28/2022]
Abstract
This study investigated the effect of the bonding agent application method on the dentin bond durability of a two-step adhesive utilizing a universal-adhesive-derived primer. The bonding durability of a universal adhesive was compared with those of two conventional two-step adhesives by shear bond strength testing after thermal cycling. The primer was applied (with or without phosphoric acid pre-etching), and the specimens were divided into three groups based on the bonding agent application method used as follows: (i) strong air-flow application, (ii) gentle air-flow application, and (iii) gentle air-flow + second bonding application. The shear bond strength was determined after thermal cycling. All the factors (bonding agent application method, adhesive system, and storage condition) significantly influenced the dentin shear bond strength both with and without phosphoric acid pre-etching. The specimens exposed to gentle air-flow showed a higher shear bond strength than did those exposed to strong air-flow and gentle air-flow + second bonding. The bond durability of the tested adhesive systems was influenced by the bonding agent application method, and this trend was material dependent. The G2-Bond Universal exhibited the same or greater dentin bond durability to the other two-step adhesive systems.
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Affiliation(s)
- Shun Katsuki
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - Toshiki Takamizawa
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - Munenori Yokoyama
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - Keiichi Sai
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - Tomohiko Tamura
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - Ryo Ishii
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
| | - Atsushi Kamimoto
- Department of Comprehensive Dentistry and Clinical Education, Nihon University School of Dentistry, Tokyo, Japan
| | - Masashi Miyazaki
- Department of Operative Dentistry, Nihon University School of Dentistry, Tokyo, Japan
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Xiao Z, Zhao Q, Niu Y, Zhao D. Adhesion advances: from nanomaterials to biomimetic adhesion and applications. SOFT MATTER 2022; 18:3447-3464. [PMID: 35470362 DOI: 10.1039/d2sm00265e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The field of adhesion has revealed a significant impact on numerous applications such as wound healing, drug delivery, electrically conductive adhesive, dental adhesive, and wood industry. Nanotechnology has continued to be the primary means to achieve adhesion. Among them, biological systems based on the unique structure of the nano-levels have developed excellent adhesion capabilities after billions of years of evolution and natural selection. Therefore, the research on bionic adhesion inspired by biological systems has gradually emerged. This review firstly focuses on the mechanism of adhesion, and secondly reports the effects of different nanomaterials on adhesion properties. Then based on the structure of mussels, geckos, tree frogs, octopuses, and other organisms, the research progress of biomimetic nanotechnology to achieve adhesion is summarized. Finally, the applications, challenges, and future directions of nanotechnology in new adhesive materials are provided.
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Affiliation(s)
- Zuobing Xiao
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China.
- School of Agriculture and Biology, Shanghai Jiaotong University, No. 800 Dongchuan Road, Shanghai 200240, China
| | - Qixuan Zhao
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China.
| | - Yunwei Niu
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China.
| | - Di Zhao
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China.
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MERAL E, ATALAY C, ERGİN E. Effect of Different Mouthwashing Regimens on Adhesion of a Universal Adhesive:A Microshear Bond Strength and Scaning Electron Microscopy Evaluation. CLINICAL AND EXPERIMENTAL HEALTH SCIENCES 2022. [DOI: 10.33808/clinexphealthsci.993200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Objective: To evaluate the effect of probiotic or chlorhexidine-based mouthwashes and coconut oil pulling therapy on microshear bond strength of a universal adhesive, used with two application modes. Method: Ninety-six enamel specimens were prepared using bovine incisors and the surfaces were grounded. Then the specimens were randomly divided into 4groups and each group were subjected to a mouth washing regimen with one of three agents-chlorhexidine mouthwash, probiotic-based mouthwash, coconut oil pulling – or stored in artificial saliva(control) for 7 days(n=24). After the procedure, all groups were divided into 2 subgroups, and a universal adhesive was applied with etch-and-rinse or self-etch mode(n=12). Composite micro-cylinders were bonded to the enamel surfaces and micro-shear-bond strength was measured after 24hours water storage. Failure modes were determined using a stereomicroscope and SEM analysis was also performed. The data were analyzed using Mann-Whitney-U and Kruskal-Wallis tests. Results: No significant differences were observed between the different mouthwash groups, regardless of application modes(p> .05). There were no significant differences in microshear-bond strength, within the same mouthwash groups, between self-etch or etch-and-rinse modes, except for oil pulling group. Etch-and-rinse group showed higher bond strength than self-etch group in specimens subjected to oil pulling(p< .05). Conclusion: Etch-and-rinse mode might be preferable on patients who practice oil pulling.
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Affiliation(s)
- Ece MERAL
- HACETTEPE ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ
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Castro AS, Maran BM, Gutierrez MF, Chemin K, Mendez-Bauer ML, Bermúdez JP, Reis A, Loguercio AD. Effect of Dentin Moisture in Posterior Restorations Performed with Universal Adhesive: A Randomized Clinical Trial. Oper Dent 2022; 47:E91-E105. [PMID: 35405005 DOI: 10.2341/20-215-c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2021] [Indexed: 11/23/2022]
Abstract
OBJECTIVES This double-blind, randomized clinical trial evaluated the influence of dentin moisture on postoperative sensitivity (POS), as well as, on clinical performance in posterior bulk-fill composite restorations, using a universal adhesive, until 12 months after clinical service. METHODS AND MATERIALS In accordance with a split-mouth design, 45 patients received posterior restorations, restored with a bulk-fill resin composite (Filtek Bulk Fill, 3M Oral Care) and a universal adhesive used in etch-and-rinse mode (SBU; Single Bond Universal Adhesive), which were applied on dry or moist dentin, with a cavity depth of at least 3 mm. Three operators placed 90 Class I/Class II restorations. Patients were evaluated for spontaneous and stimulated POS in the baseline, and after 48 hours, 7 days, and at 6 and 12 months. In addition, secondary parameters (marginal discoloration, marginal adaptation, fracture, and recurrent caries) were evaluated by World Dental Federation (FDI) criteria after 7 days and at 6 and 12 months. Statistical analyzes were performed using the Chi-square, Fisher exact, Friedman, Kruskall-Wallis, and Mann-Whitney tests (α=0.05). RESULTS No significant spontaneous and stimulated POS was observed when SBU was applied in dry and moist dentin (p>0.05). A significant and higher risk of spontaneous POS (20.0%; 95%CI 10.9-33.82 for dry dentin and 22.22%; 95%CI 12.54-36.27 for moist dentin) occurred up to 48 hours after restoration placement for the dry and moist dentin groups (p<0.02). However, the POS intensity was mild up to 48 hours with no significant difference between dry and moist dentin groups (p>0.79). When secondary parameters were evaluated, no significant differences between the groups were observed. CONCLUSION Dentin moisture did not influence POS in posterior bulk-fill composite restorations when associated with a universal adhesive applied in etch-and-rinse mode.
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Affiliation(s)
- A S Castro
- Andrea S Castro, DDS, MS, assistante professor, School of Dentistry, Tuiuti University, Curitiba, PR, Brazil
| | - B M Maran
- Bianca M Maran, DDS, MS, PhD, Department of Restorative Dentistry, School of Dentistry, State University of Western Paraná, Cascavel, PR, Brazil
| | - M F Gutierrez
- Mario F Gutierrez, DDS, MS, PhD, assistant professor, University de los Andes, Chile; assistant professor, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - K Chemin
- Kaprice Chemin, DDS, MS, PhD, assistant professor, School of Dentistry, Department of Health Sciences, School Unicesumar, Ponta Grossa, PR, Brazil
| | - M L Mendez-Bauer
- Maria L Mendez-Bauer, DDS, MSc, PhD, associate professor, Research Department, School of Dentistry, University Francisco Marroquin, Guatemala City, Guatemala
| | - J P Bermúdez
- Jorge P Bermúdez, DDS, MS, PhD student, Department of Prosthodontics, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
| | - A Reis
- Alessandra Reis, DDS, PhD, associate professor, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
| | - A D Loguercio
- *Alessandro D Loguercio, DDS, MS, PhD, associate professor, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
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Zhao Q, Gao Y, Jin X, Han F, Chen K, Chen C. Influence of Acidic Environment on Hydrolytic Stability of MDP-Ca Salts with Nanolayered and Amorphous Structures. Int J Nanomedicine 2022; 17:1695-1709. [PMID: 35444417 PMCID: PMC9014115 DOI: 10.2147/ijn.s357823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/05/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose This study aimed to investigate the hydrolytic stability of 10-methacryloyloxydecyl dihydrogen phosphate calcium (MDP-Ca) salts with nanolayered and amorphous structures in different pH environments. Methods The MDP-Ca salts were synthesized from MDP and calcium chloride and characterized by X-ray diffraction (XRD), nuclear magnetic resonance (NMR), and transmission electron microscopy (TEM). Inductively coupled plasma-mass spectrometry (ICP-MS) was used to quantify the release of calcium from the synthesized MDP-Ca salt, MDP-treated hydroxyapatite (MDP-HAp), and untreated HAp after soaking in acidic and neutral solutions for 1, 7, and 30 days. To study the hydrolytic process, we carried out molecular dynamics (MD) simulations of the nanolayered MCS-MD (monocalcium salt of the MDP dimer) and DCS-MD (dicalcium salt of the MDP dimer) structures, as well as of the amorphous-phase MCS-MM (monocalcium salt of the MDP monomer). Results The TEM images showed that the nanolayered structures were partially degraded by acid attack. Based on the ICP-MS results, the hydrolysis rate of the MDP-Ca salt in acidic and neutral environments followed the order HAp > MDP-HAp > MDP-Ca salt. The MD simulations showed that, in acidic environments, clusters of MDP remained aggregated and all Ca2+ ions separated from the MDP monomer to interact with water molecules in aqueous solution. In neutral environments, Ca2+ ions always interacted with phosphate groups, OH− ions, and water molecules to form clusters centered on Ca2+ ions. Conclusion MDP-Ca presented higher hydrolysis rates in acidic than neutral environments. Nanolayered MCS-MD possessed the highest resistance to acidic hydrolysis, followed by amorphous MCS-MM and DCS-MD.
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Affiliation(s)
- Qing Zhao
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Yixue Gao
- Department of Prosthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Xin Jin
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Fei Han
- Department of Prosthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Kai Chen
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, People’s Republic of China
| | - Chen Chen
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
- Correspondence: Chen Chen, Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China, Tel +8625 6959 3031, Fax +8625 8651 6414, Email
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de Albuquerque EG, Warol F, Tardem C, Calazans FS, Poubel LA, Matos TP, Souza JJ, Reis A, Barceleiro MO, Loguercio AD. A New Dual-Cure Universal Simplified Adhesive: 36-month Randomized Multicentre Clinical Trial. J Dent 2022; 122:104120. [DOI: 10.1016/j.jdent.2022.104120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 02/25/2022] [Accepted: 04/02/2022] [Indexed: 12/01/2022] Open
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