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随着我国人均寿命和老年人数的逐年增加,老年人口腔卫生保健工作已为大家所关心和重视。我国老年人中龋齿和缺齿的发病率很高。据1985年张博学对509名老年人口腔情况调查,患龋率40.9％,缺齿65.4％,1986年柴志坚对1200名老年人牙体病的调查,患龋率53.9％、缺齿率84.6％。世界卫生组织将龋齿排在心血管病和癌症之后,列为全世界第三位急需防治的疾病。龋齿虽然不如前两种病那样危及生命,但
As China's average life expectancy and the number of elderly people increase year by year, oral health care for the elderly has been of great concern to everyone. The incidence of dental caries and edentulous teeth among Chinese elderly is high. According to a survey of oral health of 509 elderly people by Zhang Boyue in 1985, the caries prevalence rate was 40.9% and the number of missing teeth was 65.4%. In 1986, CHAI Zhi-jian conducted a survey on 1,200 elderly people with dental caries, with caries-bearing rate of 53.9% and tooth-missing rate of 84.6% . WHO ranked caries as the third most needed disease in the world after cardiovascular disease and cancer. Although dental caries are not as life threatening as the first two diseases,