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ORIGINAL ARTICLE
Year : 2016  |  Volume : 3  |  Issue : 1  |  Page : 17-22

Two-year clinical performance of four adhesive strategies


1 Department of Operative Dentistry, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
2 Department of Operative Dentistry; Department of Biomaterials, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
3 Department of Biomaterials, Faculty of Dentistry, Mansoura University, Mansoura, Egypt

Correspondence Address:
Tamer Mohamed Elshehawy
Department of Operative Dentistry; Department of Biomaterials, Faculty of Dentistry, Mansoura University, Mansoura
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2348-2915.180111

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Objective: To assess the clinical performance of four adhesive strategies; 3-step etch-and-rinse Adper Scotchbond Multi-Purpose (SM), 2-step etch-and-rinse (Adper Single Bond-2 [S2]), 2-step self-etch Adper Scotchbond SE (SE) and 1-step self-etch (Adper Single Bond Universal [SU]). Materials and Methods: Eighty cervical cavities exhibiting dentin carious lesions were used. Four adhesives from the same manufacturer (3M ESPE, St. Paul, MN, USA) representing different bonding strategies were used; SM (3-step etch-and-rinse), Adper S2 (2-step etch-and-rinse), SE (2-step self-etch) and SU (1-step self-etch). Cavities were restored with a nanohybrid composite resin (Z-350XT - 3M ESPE, St. Paul, MN, USA), and clinically followed up for 24 months using the modified United States Public Health Service criteria. Results: The outcome of Wilcoxon signed rank test showed no significant difference among the groups for each adhesive material at different evaluation periods (P > 0.05). Furthermore, the Friedman test revealed that there was no significant difference between all materials in all evaluation criteria, except for marginal discoloration at 24-month evaluation period. At 24-month evaluation period, teeth restored with self-etch adhesives showed more marginal staining. Conclusions: The four bonding strategies used in the current study showed an acceptable 2-year clinical performance.


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