老人ホーム入居者う歯加療の統計的研究

Abstract

A survey was undertaken on the status of dental care which the residents of a sanatorium ranged in age from 50 to 95 years had received. Study was conducted on the total number of denture teeth, metallic crown and fillings in each quadrant of mouth and the data obtained were analyzed statistically with reference to sex and age of the subjects. Results were summarized as follows. 1. Ratio of denture teeth versus FT (%) : Sex difference was not marked with respect to the rates for all the teeth involved. The rates increased with advancing age of the subjects of both sexes until about 50 to 100 % of FT were replaced by denture teeth. 2. Ratio of metallic crown teeth versus FT (%) : With both sexes, metallic crown occupied 20 to 0 % of FT which decreased with advancing age of subjects. No marked difference was noticed between sexes in this respect. 3. Ratio of filled teeth versus FT (%) : The rates were extremely small for all the teeth in both sexes, and there was hardly difference with advancing age of the subjects. 4. Ratio of MT→FT versus MT (%) : With both sexes, 60 to 50 % of missing teeth were left untreated teeth of both jaws, regardless of sexes. 5. Ratio of teeth suffering periodontal diseases existing teeth (%) : Teeth of lower versus jaw showed higher rate than teeth of upper jaw with both subjects when compared between the same named teeth of both jaws. No age difference was noticed in this respect.