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Öğe Retrospective evaluation of restorations placed with universal bonding agents(Selçuk Üniversitesi Sağlık Bilimleri Enstitüsü, 2020) Abdulaziz, Yasser Ismail; Çetin, Ali RızaThe aim of this retrospective study is to evaluate the 12-month clinical performance of the class II restorations placed in patients who applied to the clinic of the Department of Restorative Dentistry, Faculty of Dentistry, Selçuk University using five different universal adhesive systems. In this study, patients between the ages of 18-25 who had class II caries and whose tooth/teeth were restored using one of the universal adhesive systems used routinely in the clinic of Department of Restorative Dentistry were selected from patient tracking system/ hospital information management system. The performed class II restorations were determined by reviewing the documented bitewing radiographs in the hospital information management system. These restorations were previously performed using one of these universal adhesive systems: (G-Premio BOND (GC Corporation, Tokyo, Japan) + G-aenial anterior composite, Tetric N-Bond Universal (Ivoclar, Vivadent, Schaan, Liechtenstein) + Tetric N-Ceram Bulk Fill composite, Clearfil universal bond (Kuraray Noritake, Okayama, Japan) + clearfil photo posterior, All-Bond Universal (Bisco, USA) + AELITE All-Purpose Body (Bisco, USA), and Prime&Bond Universal (DENTSPLY, Sirona) + Ceram.X ShpereTEC one (Dentsply, Sirona). Patients were divided into five groups according to the universal adhesive used. A total of 108 patients and 185 restorations, which were placed with these materials by doctoral students, were included in the study. Restorations were evaluated in the 6th and 12th months by a single experienced operator according to the modified USPHS criteria. Restorations were scored clinically in regards to retention, color matching, marginal discoloration, marginal adaptation, secondary caries, surface structure, anatomical form, and postoperative sensitivity. To identify the existence of secondary caries, bitewing radiographs were taken at the follow-up appointments. Chi-square test (p <0.05) was used for statistical analysis of the difference between the groups. Cochran Q test (p <0.05) was used for the significance of the difference between time-dependent changes in each group. There was no statistically significant difference between restoration groups for all modified USPHS criteria (p> 0.05). The time-dependent changes in each group were not significant in terms of any criteria (p> 0.05). It has been concluded that the 12-month clinical performance of the five tested universal adhesives is almost similar and have excellent clinical behavior over evaluation time. Keywords: Modified USPHS criteria; Proximal caries; Retrospective clinical follow-up; Universal dental adhesive.