昆明市3～5岁儿童乳牙患龋状况

The Investigation of Primary Teeth Caries and Debris Index Status of 3-5 Year-old Children in Kunming

目的了解昆明市区3~5岁儿童乳牙的患龋率和软垢情况,观察二者之间的相互关系,为昆明市儿童龋病的防治提供理论依据.方法随机选取昆明市区30家幼儿园共6 958名儿童,检查患龋率和软垢情况进行分析.结果昆明市3~5岁儿童患龋率为58.68%,龋均(XDMFT)为2.61,不同年龄间的患龋率、龋均和简化软垢指数均有统计学意义(P<0.05),不同性别间的患龋率、龋均和简化软垢指数差异无统计学意义(P>0.05).口腔软垢情况和患龋率之间无相关性.结论昆明市3~5岁儿童的患龋率较高,应加强乳牙龋病的防治.

Objective To investigate the prevalence of primary teeth caries and oral hygiene status of preschool children in Kunming.Methods 6958 children aged 3-5 years from 30 kindergartens in Kunming were randomly selected for this study.The reserch of caries prevalence rate and soft dirt were investigated.Results The caries prevalence rate and the mean decayed,missing and filled teeth(XDMFT)values in primary teeth were 58.68%and 2.61 respectively.We can see the difference of significant between Dental caries prevalence and mean debris index simplified(DI-S)scores between age groups,and there was no statistical significance of the same index between sex.There was no correlation between the investigation of dental caries and oral hygiene status.Conclusion The caries prevalence rate in 3-5 year-old children in the downtown area of Kunming city is very high,pointing out that preventive treatment against primary teeth caries should be strengthened.