Study on investigation about demand for dental treatment for the bed-ridden elderly

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As the elderly increase these days in Japan, also the bed-ridden elderly increase. However, the real situation of them is still unknown. Therefore, in this study, investigators met patients directly and examined the condition of oral cavity to obtain data. Based on these data, questionnaire was prepared.This survey was carried out between 1998 and 1999 for the 142 elderly.Items for survey are as follows.1. Number of remaining teeth2. Number of missing teeth3. Degree of self-independence in daily life4. Degree of self care for oral hygiene etc.We analyzed the acquired results using BDR Indicator (standard for self-dependence). Average number of missing teeth was 18 in both male and female. As age increased, remaining teeth decreased. Average remaining teeth was 13 among the elderly who had teeth. 66.2% of the elderly used false teeth in the maxilla and 67.4% used false teeth in the mandible.Considering from the relation among degree of dementia, condition of bed-ridden and BDR, condition of bed-ridden was not the factor to effect on oral hygiene, but dementia was the important factor for hygiene. From these results, it would be possible to make the job for the dental assistant numerical based on the condition of bed-ridden and the figure of BDR Indicator, and also make the standard procedure of oral care for each person.