Introduction: The aim of this one-year prospective clinical study was to evaluate the treatment results of compomer restorations (Dyract eXtral Dentsply/De Trey, Konstanz, Germany) with a single step self-etching dental adhesive (Xeno III Dentsply/De Trey, Konstanz, Germany) used for restoring class V lesions (non-carious and primary carious cervical lesions).
Material And Methods: A total number of 62 class V restorations (n = 62) were placed by one dentist in 30 patients on incisors, canines and premolars. The fillings were placed due to different indications: non-carious cervical defects (n = 32) and primary carious lesions (n = 30). The restorations were evaluated by a single-blind design, according to the Modified United States Public Health Service system 6 and 12 months following the placement. The following were evaluated: retention, marginal integrity, marginal discoloration, wear; postoperative sensitivity and secondary caries. The statistical analysis compared the ratings of each criteria between materials using the Pearson chi-square or Fisher's exact test at a level of significance of 5% (p < 0.05).
Results: Two restorations of the non-carious lesion group were lost after 6 months, and after 12 months one restoration was lost in the group of primary carious lesions. There were no statistically significant differences between restorations for all evaluated criteria in both groups.
Conclusion: The compomer restorations in combination with a single step self-etching dental adhesive showed acceptable clinical performance in Class V lesions after one year of clinical service.
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