目的：对云南省15个特有少数民族1～6岁儿童乳牙龋病进行流行病学调查，为边疆农村贫困地区口腔卫生保健工作提供参考。方法：采用整群随机抽样和典型调查相结合的方法，调查云南省10个州市15个特有少数民族1～6岁儿童乳牙龋病现状和体格发育情况，对其患龋率、龋均等进行统计分析。结果：15个民族1～6岁儿童总患龋率29．6％，龋均1．68；不同民族中，傈僳族的乳牙患龋率最高（50．3％），其次为普米族（48．3％），拉祜族最低（13．4％）；不同地区以玉溪市最高（56．1％），普洱市最低（13．4％）。结论：儿童乳牙患龋率在不同地区、不同民族中各不相同，与年龄、儿童营养状况、生长发育、民族、饮食习惯、地区经济发展水平有关，患龋率随年龄增长而上升，3～4岁是儿童预防龋齿的重要阶段。%AIM:To investigate deciduous dental caries prevalence in 1 -6 year old children of 15 minority groups in Yunnan province.METHODS:Cluster random sampling and typical investigation were used in this study. Oral examination was conducted to detect dental caries.SPSS 19 software was used to analyze the data.RESULTS:The overall dental caries rate in the 15 minority groups was 29.6%.DMFT was 1.68.The children of Lisu nationality had the highest dental caries rate (50.3%),followed by those of Pumi (48.3%),Lahu children showed the lowest (13.4%).In different regions,Yuxi region had the highest deciduous dental caries rate (56.1%),while Pu'er had the lowest (13.4%).Age,nutritional status,body development,eating habits,economic development level were in-fluencing factors of deciduous dental caries.CONCLUSION:Deciduous caries prevalence rate in 1 -6 year old chil-dren of 15 minority groups in Yunnan province varies among different minorities and regions.
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