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目的:了解绵阳市5岁儿童患龋情况及家长口腔卫生知识和行为。方法:参考《第三次全国口腔健康流行病学调查方案》的标准,采用多阶段分层随机抽样的方法,对5岁儿童和家长进行儿童龋齿的流行情况调查和家长口腔卫生知识和行为的调查。结果:绵阳市5岁儿童乳牙患龋率为54.9%,城、乡患龋率分别为51.4%和57.8%,差异无统计学意义(χ2=3.07,P>0.05),男女患龋率分别为55.5%和54.2%,差异无统计学意义(χ2=0.12,P>0.05),大多数家长认识到儿童口腔健康的重要性,但基本口腔卫生知识缺乏。结论:绵阳市5岁儿童患龋率高,应加强儿童家长口腔健康教育和干预措施,有助于提高儿童口腔健康水平。
Objective: To understand the prevalence of dental caries in 5-year-old children in Mianyang City and parents’ oral health knowledge and behavior. Methods: With reference to the “Third National Oral Health Epidemiology Survey Scheme”, a multi-stage stratified random sampling method was used to investigate the prevalence of dental caries among 5-year-old children and their parents and oral hygiene knowledge and behavior of parents survey. Results: The caries prevalence rate of primary deciduous teeth of 5-year-old children in Mianyang City was 54.9%, and the caries prevalence in urban and rural areas was 51.4% and 57.8% respectively (χ2 = 3.07, P> 0.05) 55.5% and 54.2%, respectively, with no significant difference (χ2 = 0.12, P> 0.05). Most parents recognized the importance of oral health in children, but lacked basic oral hygiene knowledge. Conclusion: The prevalence of dental caries in 5-year-old children in Mianyang City should be strengthened. Oral health education and interventions for children should be strengthened, which will help to improve children’s oral health.