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目的:了解重庆市南岸区学龄前儿童的龋齿患病状况,为儿童保健工作提供基础数据。方法:整群抽样调查27个幼儿园共3804例儿童,用视诊结合探针检查的方法对龋病进行诊断,计算不同性别不同年龄儿童的龋病检出率和龋均指标,并比较其差别。结果:受检儿童的龋病检出率27.1%,在2～6岁组,随年龄增大,龋病检出率随之增加;受检儿童的龋均3.7,在3岁与4岁、3岁与5岁、3岁与6岁儿童间龋均的差异有统计学意义(P<0.05)。性别间的龋病检出率与龋均差异均无统计学意义。结论:受检儿童的龋病患病不容乐观,4岁之前是学龄前儿童防龋的关键时期,应特别重视4岁及以下儿童的口腔保健。
Objective: To understand the prevalence of dental caries among preschool children in Nan'an district of Chongqing and to provide basic data for child health care work. Methods: A total of 3,804 children in 27 kindergartens were enrolled in the study. The diagnosis of caries was diagnosed by visual inspection combined with probe examination. The caries prevalence and caries per unit area were calculated and compared among different age groups . Results: The detection rate of caries in children was 27.1%. In the age group of 2 to 6 years old, the detection rate of caries increased with the increase of age. The caries of children in test ranged from 3.7 to 3 years old and 4 years old, The difference of caries among children aged 3 years, 5 years, 3 years and 6 years was statistically significant (P <0.05). There was no significant difference in the detection rate of caries between the sexes and caries. Conclusion: The prevalence of caries in children under examination is not optimistic. Before 4 years old, it is a crucial period for caries prevention in preschool children. Special attention should be paid to oral health care in children aged 4 years and younger.