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Fan-Chiang YS, Chou PC, Hsiao YW, Cheng YH, Huang Y, Chiu YC, Lin YJ, Mine Y, Feng SW, Lee IT, Peng TY. Optimizing Dental Bond Strength: Insights from Comprehensive Literature Review and Future Implications for Clinical Practice. Biomedicines 2023; 11:2995. [PMID: 38001996 PMCID: PMC10669570 DOI: 10.3390/biomedicines11112995] [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: 10/13/2023] [Revised: 10/26/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
This review examines the modifying factors affecting bond strength in various bonding scenarios, particularly their relevance to the longevity of dental restorations. Understanding these factors is crucial for improving clinical outcomes in dentistry. Data were gathered from the PubMed database, ResearchGate, and Google Scholar resources, covering studies from 1992 to 2022. The findings suggest that for dentin-resin bonds, minimizing smear layers and utilizing MMP inhibitors to prevent hybrid layer degradation are essential. In the case of resin-resin bonds, reversing blood contamination is possible, but preventing saliva contamination is more challenging, underscoring its critical importance during clinical procedures. Additionally, while pretreatment on ceramics has minimal impact on bond strength, the influence of specific colorings should be carefully considered in treatment planning. This comprehensive review highlights that although established practices recognize significant bond strength factors, ongoing research provides valuable insights to enhance the clinical experience for patients. Once confirmed through rigorous experimentation, these emerging findings should be swiftly integrated into dental practice to improve patient outcomes.
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Affiliation(s)
- Yung-Shin Fan-Chiang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Peng-Chen Chou
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Yu-Wen Hsiao
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Yu-Hsuan Cheng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Yi Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Yu-Chieh Chiu
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Yu-Ju Lin
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Yuichi Mine
- Department of Medical Systems Engineering, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan
- Project Research Center for Integrating Digital Dentistry, Hiroshima University, Hiroshima 734-8553, Japan
| | - Sheng-Wei Feng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - I-Ta Lee
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
| | - Tzu-Yu Peng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan; (Y.-S.F.-C.); (S.-W.F.)
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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: 8] [Impact Index Per Article: 8.0] [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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Somrit P, Tantilertanant Y, Srisawasdi S. Primer application technique and remaining dentin thickness affected microtensile bond strength of contemporary dentin adhesives under simulated pulp pressure. Clin Oral Investig 2023; 27:139-149. [PMID: 36109375 DOI: 10.1007/s00784-022-04699-0] [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: 03/21/2022] [Accepted: 08/26/2022] [Indexed: 01/28/2023]
Abstract
OBJECTIVES To evaluate the effect of application techniques, type of adhesives and remaining dentin thicknesses on microtensile bond strength (µTBS) of 3 adhesive systems. MATERIALS AND METHODS 112 flat occlusal dentinal surfaces of third molar were randomly allocated into 16 groups based on 2 remaining dentin thicknesses (RDT), 2 application techniques, and 3 adhesive systems (Optibond FL, OFL; Clearfil SE Bond, CSE; and Single Bond Universal, SB); SB was applied in either etch-and-rinse (ER) or self-etch (SE) mode. Simulated pulpal pressure was performed during restorative procedure and water storage. The stick-shaped specimens from each tooth underwent µTBS testing. The data were evaluated using a paired t test and ANOVA followed by a post hoc test. The fractured specimens were evaluated for mode of failure using a stereomicroscope. RESULTS The mean µTBS values were significantly affected by RDT, application technique, and types of adhesives. Neither RDT nor application technique affected µTBS of SB in ER mode, whereas application technique affected both conventional and universal self-etch adhesives. RDT also influenced µTBS of OFL. CONCLUSIONS RDT and application technique differently affected the µTBS of dentin bonding which was product-related. Etch-and-rinse systems had higher bond strength to superficial than to deep dentin, whereas self-etch systems were more sensitive to both RDT and application technique. CLINICAL RELEVANCE The universal adhesive is less sensitive to intrinsic wetness and can be used according to manufacturer's instructions.
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Affiliation(s)
- Paphawee Somrit
- Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Henri-Dunant Road, Pathumwan, Bangkok, 10330, Thailand.
| | - Yanee Tantilertanant
- Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Henri-Dunant Road, Pathumwan, Bangkok, 10330, Thailand
| | - Sirivimol Srisawasdi
- Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Henri-Dunant Road, Pathumwan, Bangkok, 10330, Thailand
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