The purpose of this study was to estimate the occlusal contact area of completedenture wearers. The subjects were 72 patients, treated 5-10 years ago at students' clinic of the Tsurumi University, School of Dental Medicine. The occlusal contact area was measured with white-silicone.
Results
1. The average of the occlusal contact area including thinner white-silicone film than 50μm was 30.3 mm².
2. For the occlusal contact area, there was not significant difference between porcelain and resin artificial teeth.
3. Comparing with each masticatory side, there was not significant difference for the occlusal contact area.
4. Comparing with each progressing years, the occlusal contact area was the largest in 9 and 7 years of wearing period.
5. The occlusal contacts in anterior segment were observed in 33.3%.
6. Comparing the measured value of occlusal contact area with 5 years and 10 years wearing
period, there was not significant difference in each patient.7. There was significant difference in the occlusal contact area between the group that hamade a diagnosis to renew dentures and not.