CLINICAL-EVALUATION OF AN ANTERIOR HYBRID COMPOSITE RESIN OVER 8 YEARS

Aim To evaluate the performance of an anterior hybrid composite resin restorative material (Opalux). Design Single-centre clinical trial. Ma terials and methods Scores were obtained based on USPHS criteria for m arginal adaptation, anatomic form, colour match, surface roughness and marginal discolouration. Interventions The restorative material was e valuated in suitable cavities in 24 patients (12 male, 12 female). Eth ical permission and consent were obtained.Main outcome measures Baseli ne data was collected on 44 restorations (25 Class III, 3 Class IV, 16 Class V) and reviewed independently by two Of the three clinicians wh o contributed to the study who then reached a consensus score. Restora tions were reviewed and scored in the same way at 3 months and 1, 2, 3 and 8 years. Results The total number of alpha ratings at baseline an d review (3 months and 1, 2, 3 and 8 years) appointments for the follo wing parameters were: marginal adaptation (33, 28, 29, 27, 12, 17), an atomic form (39, 30, 32, 26, 17, 15), surface roughness (34, 26, 24, 2 3, 11, 4), colour match (24, 25, 26, 24, 15, 12) and marginal discolou ration (39, 31, 30, 25, 10, 9). The incidence of secondary caries was very low. Life table analysis suggests a 73 % survival, with no scores below B, at 8 years. Conclusions The majority of these restorations c ontinued to perform satisfactorily. Although this particular material is no longer available, these results may be applicable to currently a vailable similar materials.