title: Composite resin restorations. A three-year clinical assessment of four materials.
abstract: The clinical characteristics of four composite resins were assessed over a period or up to three years. Two hundred and sixty nine restorations of composite resins placed in anterior teeth were subjected to 380 examinations during a three year study. The restorations had been placed in the mouth of patients aged 11 to more than 51 years by a variety of operators and the clinical characteristics observed. An increase in defects and deficiencies occurred at the progressive examinations.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003116:Color; D003188:Composite Resins; D003731:Dental Caries / Q000453:epidemiology; D003773:Dental Plaque / Q000453:epidemiology; D003793:Dental Restoration, Permanent / Q000009:adverse effects; D004955:Esthetics, Dental; D005500:Follow-Up Studies; D005891:Gingivitis / Q000453:epidemiology; D006801:Humans; D008875:Middle Aged
chemical_list: D003188:Composite Resins