【摘要】 目的了解深圳市3岁儿童乳牙龋病现状,为深圳市儿童龋病预防提供参考依据。方法参照第三次全国口腔健康流行病学抽样调查方案[1],采用多阶段分层等容量随机整群抽样的方法,调查了1008名3～4岁儿童的乳牙患龋情况。结果 3岁儿童患龋率47.0%,龋失补牙数(dmft)为2.39(构成比:龋97.6%;龋失0.0%;龋补2.4%)。特区内3岁儿童患龋率低于特区外,无性别间差异。81.3%的龋齿集中在24.8%的儿童口腔中,上颌牙齿患龋率高于下颌(P<0.01)。结论深圳市3岁儿童乳牙患龋率高,其中97.6%的为开放性龋齿,应进一步加强乳牙龋病的预防工作。更多还原

【Abstract】 Objective To obtain some information about the prevalence of deciduous tooth caries among 3~4 year-old children in Shenzhen city.Methods According to The Guideline for the 3rd National Oral Health Survey,an equal-sized stratified multi-stage randomly sampling design was applied to obtain a provincially representative sample group consisting of 1008 3 ~ 4 year-old children in Shenzhen city,with a gender ratio of half to half.The caries on the crowns of deciduous teeth were assessed.Thereafter the caries rate of deciduous teeth and number of decayed,missing and filled teeth(dmft) were calculated among selected children.Results The prevalence rate of deciduous tooth caries of 3-year-old children in Shenzhen city was 47.0%,with a dmft of 2.39.The filling rate was only 2.4%.A significant region difference was found.81.3% of the dental caries had concentrated in 24.8% of the involved children.There were significant prevalence differences among maxilla and mandible(P<0.01).Conclusions The data suggested that 97.6% of the dental caries had not been treated among 3-year-old children in Shenzhen city.Necessary measures for early prevention of dental caries must be taken.更多还原