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Santos Silva MMD, Boucault CHM, Steagall W, Hanashiro FS, Cardoso CDAB, de Souza-Zaroni WC, Youssef MN, Amaral SFD. Influence of Different Surface Treatments on the Bond Strength of Yttria-Stabilized Tetragonal Zirconia Ceramic. Photobiomodul Photomed Laser Surg 2024; 42:343-349. [PMID: 38579157 DOI: 10.1089/photob.2023.0108] [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: 04/07/2024] Open
Abstract
Objective: This in vitro study evaluates the shear bond strength (SBS) of yttria-stabilized tetragonal zirconia (Y-TZP) and resin cement after different surface treatments. Materials and methods: Forty-eight ceramic cubes were divided into four groups (n = 12): G1 (control) sandblasting with Al2O3; G2-sandblasting with silica-coated Al2O3 (Rocatec); G3-Rocatec + CO2 laser; and G4-CO2 laser + Rocatec. A metallic primer was applied to the pretreated ceramic. A rubber ring was adapted on the central area, and then, the resin cement was inserted into the matrix and photoactivated. The samples were evaluated regarding surface roughness (Ra), SBS, failure type, and qualitatively with scanning electron microscopy (SEM). The data were analyzed by one-way analysis of variance followed by Tukey's test (p < 0.05). Results: The mean values of Ra (μm) were as follows: G1-4.52a, G2-4.24a,b, G3-4.10a,b, and G4-2.90b and the mean values of SBS (MPa) were as follows: G1-7.84a , G2-4.41b , G3-4.61b and G4-6.14a,b. SEM analyses showed superficial irregularities for all groups, being more prominent for G1. The presence of silica deposits was observed for G2, G3, and G4, but in the last two groups there were some linear areas, promoted by the fusion of silica, due to the thermomechanical action of the CO2 laser. Conclusions: The surface treatment with CO2 laser + Rocatec, using one MDP-based cement, can be an alternative protocol for the adhesion cementation of Y-TZP ceramic since it was as effective as the conventional pretreatment with aluminum oxide sandblasting.
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Affiliation(s)
| | | | | | | | | | | | | | - Stella Ferreira do Amaral
- Department of Dentistry, Postgraduate Program in Dentistry, Cruzeiro do Sul University, São Paulo, Brazil
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Floriani F, Coelho NF, de Azevedo Linhares L, Stolf SC, Lopes GC. Semidirect Resin Composite Veneers in a Patient with Bruxism. Case Rep Dent 2024; 2024:5572481. [PMID: 38560367 PMCID: PMC10980552 DOI: 10.1155/2024/5572481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 02/18/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024] Open
Abstract
This case report details the esthetic rehabilitation of a 32-year-old male patient suffering from sleep bruxism, primarily manifesting as a fracture and significant loss of tooth structure in the anterior maxillary central incisors. To address these concerns, the patient underwent a restorative treatment involving the application of semidirect resin composite veneers on the maxillary incisors and direct resin composite restoration on the incisal regions of the maxillary canines. This approach not only restored the functional integrity of the teeth but also significantly enhanced the patient's esthetic appearance.
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Affiliation(s)
- Franciele Floriani
- University of Iowa, Prosthodontics Department, Iowa, USA
- Federal University of Santa Catarina, Florianópolis, Brazil
| | | | | | - Sheila Cristina Stolf
- Department of Operative Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Guilherme Carpena Lopes
- Department of Operative Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil
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Mesgarzadegan M, Hooshmand T, Akbari P. Effect of Plasma Radiation and Other Surface Preparation Methods on Microtensile Bond Strength of Repaired Aged Resin Composite. Front Dent 2023; 20:44. [PMID: 38410503 PMCID: PMC10895379 DOI: 10.18502/fid.v20i44.14419] [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: 12/01/2022] [Accepted: 06/14/2023] [Indexed: 02/28/2024] Open
Abstract
Objectives: The purpose of this study was to compare the effect of plasma irradiation and other surface preparation methods on the microtensile bond strength of repaired resin composites. Materials and Methods: Twenty molds of a universal nanohybrid composite were prepared, aged and subjected to thermocycling. The specimens were divided into 5 groups for surface preparations including, C (Control): application of GC G-Premio Bond (GP) only; SB: sandblasting with alumina and GP; SI: application of phosphoric acid etching, silane, and unfilled resin; RB: roughening by diamond bur, phosphoric acid etching and GP; PL: application of argon and atmosphere plasma and then GP. The specimens were repaired with the new resin composite, cut to 1mm2 beam, and then subjected to thermocycling. The microtensile bond strengths were measured using a universal testing machine. The failure modes were assessed with a stereomicroscope. Data were analyzed using two-way ANOVA and Tukey's test. The level of significance was α=0.05. Results: The highest mean bond strength was found for the application of universal bonding GC GP in controls (26.62MPa) and the lowest average bond strength belonged to the SI groups (9.06MPa). The difference in the mean bond strength between the SI group and other groups was significant (P<0.05). The failure mode of specimens in all groups was predominantly adhesive. Conclusion: The application of GP as an intermediate universal adhesive established a proper bond between the old and new resin composite. In addition, the plasma application and other surface preparation methods did not significantly improve the bond strength.
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Affiliation(s)
- Mozhan Mesgarzadegan
- Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Tabassom Hooshmand
- Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Pardis Akbari
- Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
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Németh KD, Told R, Szabó P, Maróti P, Szénai R, Pintér ZB, Lovász BV, Szalma J, Lempel E. Comparative Evaluation of the Repair Bond Strength of Dental Resin Composite after Sodium Bicarbonate or Aluminum Oxide Air-Abrasion. Int J Mol Sci 2023; 24:11568. [PMID: 37511327 PMCID: PMC10380324 DOI: 10.3390/ijms241411568] [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: 05/01/2023] [Revised: 05/19/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
The dental prophylactic cleaning of a damaged resin-based composite (RBC) restoration with sodium bicarbonate can change the surface characteristics and influence the repair bond strength. The purpose of this study was to compare the effect of sodium bicarbonate (SB) and aluminum oxide (AO) surface treatments on the microtensile bond strength (µTBS) of repaired, aged RBC. Bar specimens were prepared from microhybrid RBC and aged in deionized water for 8 weeks. Different surface treatments (AO air-abrasion; SB air-polishing), as well as cleaning (phosphoric acid, PA; ethylene-diamine-tetraacetic-acid, EDTA) and adhesive applications (single bottle etch-and-rinse, ER; universal adhesive, UA), were used prior to the application of the repair RBC. Not aged and aged but not surface treated RBCs were used as positive and negative controls, respectively. The repaired blocks were cut into sticks using a precision grinding machine. The specimens were tested for tensile fracture and the µTBS values were calculated. Surface characteristics were assessed using scanning electron microscopy. AO-PA-UA (62.6 MPa) showed a 20% increase in µTBS compared to the NC (50.2 MPa), which proved to be the most significant. This was followed by SB-EDTA-UA (58.9 MPa) with an increase of 15%. In addition to AO-PA-UA, SB-EDTA-UA could also be a viable alternative in the RBC repair protocol.
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Affiliation(s)
- Kinga Dorottya Németh
- Department of Restorative Dentistry and Periodontology, University of Pécs Medical School, Tüzér Street 1, 7623 Pécs, Hungary
| | - Roland Told
- 3D Printing and Visualization Centre, University of Pécs, Boszorkány Street 2, 7624 Pécs, Hungary
| | - Péter Szabó
- János Szentágothai Research Center, Ifjúság Street 12, 7624 Pécs, Hungary
| | - Péter Maróti
- 3D Printing and Visualization Centre, University of Pécs, Boszorkány Street 2, 7624 Pécs, Hungary
| | - Réka Szénai
- Department of Restorative Dentistry and Periodontology, University of Pécs Medical School, Tüzér Street 1, 7623 Pécs, Hungary
| | - Zsolt Balázs Pintér
- Department of Oto-Rhino-Laryngology, Maxillo-Facial and Oral Surgery, St. John's Hospital and North Buda Unified Hospitals, Diós Árok Street 1-3, 1112 Budapest, Hungary
| | - Bálint Viktor Lovász
- Oral and Maxillofacial Department, Manchester Royal Infirmary Hospital, Manchester University Foundation Trust, Oxford Rd., Manchester M13 9WL, UK
| | - József Szalma
- Department of Oral and Maxillofacial Surgery, University of Pécs Medical School, Tüzér Street 1, 7623 Pécs, Hungary
| | - Edina Lempel
- Department of Restorative Dentistry and Periodontology, University of Pécs Medical School, Tüzér Street 1, 7623 Pécs, Hungary
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AlOtaibi AA, Taher NM. Effect of surface treatment on the repair bond strength of OMNICHROMA and Charisma Diamond ONE resin composites bonded to variable substrates. Heliyon 2023; 9:e17786. [PMID: 37455968 PMCID: PMC10339018 DOI: 10.1016/j.heliyon.2023.e17786] [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: 03/05/2023] [Revised: 06/08/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
Objectives To compare repair bond strength of OMNICHROMA and Charisma Diamond ONE resin composites bonded to variable composite substrates. Also, to evaluate the influence of different surface treatments on repair bond strength. Methods A total of 80-disc shaped specimens was fabricated using two resin based composite materials; IPS Empress Direct Enamel and OptiShade (n = 40). Substrate discs were thermocycle 5000 cycles then each substrate material was subdivided based on the surface treatment into two groups; air particle abrasion (APA) and silicon carbide grinding (SiCr) both groups followed by phosphoric acid etching. All groups received a single bond universal adhesive application prior to repairing with composite, in a smaller disc shape. All specimens were thermocycled for 10,000 cycles prior to shear bond strength testing and subsequent failure analysis. Statistical analyses were conducted and the level of statistical significance was set at 0.05. Results The comparison of mean values (considering the combination of the two types of substrates, surface treatments and repairing materials) showed a highly statistically significant difference in the shear bond strength among the eight study groups (p < 0.0001). The highest value of mean shear bond strength was associated with OptiShade substrates repaired by Diamond ONE (38.6 ± 2.4). Meanwhile, the lowest value was recorded for the SiCr treated OptiShade group repaired by Diamond ONE (13.6 ± 2.3). The failure analysis revealed that cohesive mode of failure was the most predominant. Conclusion Omnichroma showed higher repair bond strength values with SiCr surface treatment. Meanwhile, Charisma Diamond ONE had better bond strength with APA. Surface pretreatment had a significant impact on the repair bond strength where APA groups had significantly higher values compared to SiCr groups. Clinical Significance: Within the limitation of the present study; APA is recommended as surface pretreatment for improved bond strength in restorative composite repairs.
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Affiliation(s)
- AlFulwah A. AlOtaibi
- Postgraduate Student, Department of Restorative Sciences, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Nadia M. Taher
- Professor, Department of Restorative Sciences, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
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Hadilou M, Dolatabadi A, Ghojazadeh M, Hosseinifard H, Alizadeh Oskuee P, Pournaghi Azar F. Effect of Different Surface Treatments on the Long-Term Repair Bond Strength of Aged Methacrylate-Based Resin Composite Restorations: A Systematic Review and Network Meta-analysis. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7708643. [PMID: 37964860 PMCID: PMC10643039 DOI: 10.1155/2022/7708643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/28/2022] [Accepted: 08/13/2022] [Indexed: 11/16/2023]
Abstract
This systematic review and network meta-analysis is aimed at investigating the effect of common surface treatments on the long-term repair bond strength of aged resin composite restorations and to rank and compare these surface treatments. In vitro studies evaluating the methacrylate-based resin composites subjected to rigorous aging protocols before and after being repaired with a new composite were included. A frequentist network meta-analysis was carried out using a random effects model. P scores were used to rank the efficacy of the surface treatments. Also, the global and node-split inconsistencies were evaluated. Web of Science, PubMed/Medline, Scopus, and Embase databases were searched until July 07, 2022. Twenty-six studies were included in the meta-analysis. The results showed that the application of silane and a total-etch (shear MD 32.35 MPa, 95% CI: 18.25 to 46.40, P score 0.95; tensile MD 33.25 MPa, 95% CI: 25.07 to 41.44; P score 0.77) or a self-etch (shear MD 38.87 MPa, 95% CI: 21.60 to 56.14, P score 0.99; tensile MD 32.52 MPa, 95% CI: 23.74 to 41.29; P score 0.73) adhesion protocol subsequent to the roughening with diamond bur produced the highest (micro)tensile and (micro)shear bond strengths compared to diamond bur alone as the control group. There was no difference between self- and total-etch adhesive protocols. Mechanical surface treatments yielded greater bond strength when used alongside the chemical adhesive agents. Further, it is possible to achieve acceptable repair bond strength using common dental clinic equipment. Therefore, clinicians could consider repairing old resin composites rather than replacing them.
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Affiliation(s)
- Mahdi Hadilou
- Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirmohammad Dolatabadi
- Department of Periodontics, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Morteza Ghojazadeh
- Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Hosseinifard
- Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parnian Alizadeh Oskuee
- Department of Restorative Dentistry, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Pournaghi Azar
- Department of Restorative Dentistry, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
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Almutairi M, Salama F, Alzeghaibi L, Albalawi S, Alhawsawi B. Surface treatments on repair bond strength of aged resin composites. J Int Soc Prev Community Dent 2022; 12:449-455. [PMID: 36312574 PMCID: PMC9615938 DOI: 10.4103/jispcd.jispcd_99_22] [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: 04/16/2022] [Revised: 07/19/2022] [Accepted: 07/19/2022] [Indexed: 11/05/2022] Open
Abstract
Aims: The aim was to evaluate the effect of different surface treatments on the repair shear bond strength of aged resin composites. Materials and Methods: Forty cylindrical-shaped specimens were treated from each material: Tetric Evo Ceram, Neo Spectra, and Filtek Ultimate Universal Restorative and allocated into four groups according to the surface treatment planned to use: Group 1: diamond, Group 2: silica coating, Group 3: carbide burs, and Group 4: control group. Following the surface treatment, composites were repaired with flowable resins. The shear bond strength was tested using a universal testing machine at a crosshead speed of 0.5 mm/min. The fracture mode was assessed under 50× magnification. The data were analyzed statistically using a two-way analysis of variance (ANOVA) test followed by a one-way ANOVA test. Multiple comparison procedures were performed using Tukey’s test. The level of significance was set at P < 0.05. Results: The lowest mean value of the shear bond strength was for the Filtek Ultimate Universal Restorative in the control group, whereas the highest mean value was in the silica group. Silica and carbide groups had significantly higher mean values of the shear bond strength than diamond and control groups in Tetric EvoCeram and Filtek Ultimate Universal Restorative. In contrast, in Neo Spectra St HV, the carbide group had a higher mean value but was not statistically significant. Conclusion: Combinations of mechanical and chemical retentive systems enhance the shear bond strength of the repair composite to the aged composite. Among the different surface treatments employed in this study, silica and carbide groups show higher repair bond strength of new composite to aged composite.
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