QUALITY OF FIXED PROSTHODONTICS AFTER 15 YEARS

Interviews and/or clinical examinations by means of the California Den tal Association quality evaluation system were carried out in a group of persons who had received extensive restorative treatments with fixe d partial dentures 15 years before this study. The studied group consi sted of 77 persons who agreed to participate from an original group of 150 persons selected at random from the Swedish Dental Insurance Syst em records. Of the original group 20 had died, 17 were not traceable o r not able to participate for medical reasons, and 36 declined to part icipate. Thirty-two per cent of the recorded reconstructions had been lost, and 8% partially lost during the 15-year period. Thirty-five per cent of the reconstructions were rated as Satisfactory, whereas the r emaining ones had mixed clinical quality ratings. Failures and Not Acc eptable quality ratings were found to be caused mainly by fractures, l oss of retention, and/or dental caries.