蒙汉两族12岁年龄组恒牙龋患病情况调查及相关因素分析

【目的】了解内蒙古锡林浩特市两所中学蒙汉两族12岁年龄组人群恒牙龋病情况，为本市口腔卫生保健提供相关信息。【方法】按照《第3次全国口腔健康流行病学调查方案》，采用分层随机抽样的方法，抽取内蒙古锡林浩特市蒙古族中学12岁年龄组1243人，进行口腔健康状况的流行病学调查。【结果】蒙族12岁年龄组人群恒牙患龋率37．69％显著低于汉族54．81％（P〈0．05），蒙族恒牙龋均0．88显著低于汉族1．32（P〈0．05）；不同性别蒙汉两族12岁年龄组患龋率存在差异（P〈0．05），女生龋均显著高于男生（P〈0．05）；当地12岁年龄组患龋率、龋均高于全国水平。【结论】加强口腔健康教育，增强口腔健康知识，饮食习惯对口腔龋齿的发病有一定影响。

Survey on the Prevalence of Permanent Teeth Caries in Mongolia and Han Children Aged 12 Years Old and the Analysis of the Related Factors

Objective] To understand the prevalence of permanent teeth caries in Mongolia and Han chib dren aged 12 years old in two middle schools of Xilinhot in Inner Mongolia in order to provide the relevant information for oral health care in this city. Methods]According to the Guideline for the 3rd National Oral Health Survey, the stratified random sampling method was applied to draw 1243 subjects aged 12 years old form Mongolia middle schools of Xilinhot in Inner Mongolia. The epidemiological study on oral health status was performed. Results] The prevalence rate of permanent teeth caries in Mongolia children aged 12 years old was 37.69 % which was significantly lower than that in Hart children（54.81 % ）（ P 〈0.05）. The mean value of permanent teeth caries in Mongolia children was 0.88 which was significantly lower than that in Han children （ P 〈0.05）. There was significant difference in the caries prevalence rate among different gender of children in 12-year-old group in Mongolia and Han people（ P 〈0.05）. The mean value of permanent teeth caries in school girls was significantly higher than that in school boys（ P 〈0. 05）. The caries prevalence rate and mean value in 12-year-old group in the locality were higher than those in the whole country. Conclusion] Reinforcement of oral health education, augmentation of oral health knowledge and good food habits have some effect on the pathogenesis of caries.