Introduction: To perform a proper restoration, we are required to observe the principles in a framework of the restorative dentistry. Regardless of these criteria, rapid repair failure occurs. The purpose of this study was to evaluate the clinical performance of composite restorations placed by dental students in Shahid Sadoughi University of Medical Science in 2014-2016.
Methods: In this cross-sectional study, 200 restorations were performed in the Faculty of Yazd Dentistry in the years 2014-2016 through a clinical examination and completion of the questionnaire by the patients were examined. The results were evaluated by descriptive statistics and Chi-squared / Fisher's exact test using SPSS Inc., Chicago, IL; Version 16.
Results: In general, 5% of the restoration were completely defective and considered as successful repairs. 12% of the restoration failed in the clinical examination. The main reason for the failure of these restorations was the secondary caries with irreversible pulpitis. Finally, 83% of the restoration had defects, but these teeth were considered as functionally present.
Conclusion: Dental students are able to place resin composite restorations in teeth with an acceptable annual failure (P>.05).
 

Keywords: Operative dentistry, Composite resin, Dental student.

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