北京市1～4岁儿童龋流行情况调查及其危险因素的初步研究

目的 调查婴幼儿龋流行情况及其相关因素的分析以利于早期防治。方法 对北京市海淀、丰台8所幼儿园408名1～4岁儿童，女195名，男213名，通过口腔检查龋齿及详细问卷调查，最后分别作统计分析及Logistic回归分析。结果 本研究婴幼儿龋患病率为40．19％，男性45．07％，女性34．87％，两性间有显著差异。各年龄组间患病率也有显著性差异。婴幼儿龋和乳磨牙龋的发生密切相关，Logistic回归分析结果显示，婴幼儿龋发生的危险因素依次为睡前哺乳，年龄，母亲受教育的程度，每天吃甜食及含糖饮料的次数，哺乳持续时间，刷牙的频率，均有相关性。针对婴幼儿龋的危险因素予以早期防治。结论 强调对双亲早期教育，尽早地去看口腔医生及局部用氟极为重要。

A primary study of early childhood caries and risk factors for 1 to 4-year-old children in Beijing

Objective To make an investigation of caries among 1 to 4 years old childen and an analysis of risk factors so as to provide early protection. Methods The study was involving 408 1 - 4 years old children from eight pre - schools in the district of Haidian and Fengtai, with 213 males and 195 females. Their caries were examined each an question aire provided for the parents. Results The prevalence of ealy childhood caries was 40.19 %, with 45.07 % among males and 34.87 % among females. There was a significant difference between males and females and between children of different ages. A close relationship was noticed between early childhood caries and caries in the primary molars. The result of logistic regression analysis showed that the variables were, in order of significance, bed time feeding, age, the educational status of the mother, the frequency of consumption of sweets, duration of feeding and the frequency of tooth brushing. Proper measures were to be taken to effect early prevention of early childhood caries. Conclusion Early dental education of prospective parents, early dental visits and regular application of fluoride are absolutely necessary.