山东省35～44岁人群牙周病调查分析

Epidemiological survey of periodontal diseases in populationat the age of 35～44 in Shandong

目的了解山东省35~44岁人群牙周病的患病情况。方法采用多阶段、分层、等容量、随机抽样的方法,选择790例35~44岁的城乡常住人口为调查对象,检查其牙结石、牙龈出血、牙周袋、牙周附着丧失的情况。结果牙结石检出率为97.6%,牙龈出血检出率为88.4%,牙周袋及牙周附着丧失检出率分别为39.5%和34.7%;该组人群牙周健康者仅占9.4%;农村受检者的牙结石、牙龈出血及牙周袋检出率高于城市受检者（P均〈0.05）。结论山东省35~44岁人群牙周病发病率较高。

Objective To study the periodontal diseases in the population at the age of 35～44 in Shandong Province.Methods The multi-stage,stratified random sampling and constant volume methods were applied to detect 790 resident people age of 35～44 in representative points of the investigation,with the urban and rural areas,gender classification.The status of gingival bleeding and dental calculus,periodontal probing depth and loss of attachment of teeth were examined.Results In the population,the prevalence of dental calculus and gingival bleeding was 97.6% and 88.4%,while the corresponding percentages of periodontal pocket and loss of attachment were respectively 39.5% and 34.7%,and the detection rate of periodontal health was only 9.4%.The positive detection rate of gingival bleeding and periodontal pocket was relatively higher in urban residents compared to that of the country-side（P0.05）.Conclusion The periodontal disease may have seriously affected the population at age of 35～44 in Shandong province.