Clinical evaluation of four anterior composite resins over five years.
Four hundred and thirty nine chemical-cured composite resin restorations were placed in the anterior teeth of 86 patients treated in a private dental practice. Four anterior resins were used, and placement was performed with acid etching and appropriate enamel bonding resins. Assessments were made of the handling characteristics, condition of the gingiva, surface staining, marginal staining, color deterioration, and of the longevity of the four materials. Clinical deterioration rates and failures of the different types of composites were evaluated over periods of up to five years. Although all the assessed clinical factors deteriorated with time, there were very few unsatisfactory rating scores. Most of the composite restorations performed well over the study. Eight per cent of the restorations failed during the study. Class IV preparations showed the highest restoration failure rates.
Smales
R J
RJ
Department of Dentistry, University of Adelaide, South Australia.
Gerke
D C
DC
D000180:Acrylic Resins; D000704:Analysis of Variance; D017438:Bisphenol A-Glycidyl Methacrylate; D003116:Color; D003188:Composite Resins / Q000009:adverse effects; D003793:Dental Restoration, Permanent; D005891:Gingivitis / Q000209:etiology; D006801:Humans; D007180:Incisor; D008137:Longitudinal Studies; D012044:Regression Analysis; D016019:Survival Analysis
D000180:Acrylic Resins; D003188:Composite Resins; D017438:Bisphenol A-Glycidyl Methacrylate; C050634:estic; C033930:Silar (3M); C035190:miradapt