目的了解包钢托幼园所3～6岁幼儿龋齿患病情况。方法对13所托幼园所的3 303名儿童龋齿资料进行调查分析。结果共查出有1 143名儿童患龋齿,患龋率为34.60%,其中男童患龋率为34.59%,女童患龋率为34.62%。男女童患龋率差异无统计学意义(P>0.05),但各年龄组间差异有统计学意义(χ2=33.12,P<0.01)。结论预防龋病要从儿童抓起,要从乳牙抓起,而且需要幼儿教师和家长的配合,实施龋齿防治的干预措施。 Objective To understand the prevalence of dental caries in children aged 3 ~ 6 years in Baotou-kindergarten. Methods The data of caries in 3 303 children from 13 nursery schools were investigated. Results A total of 1 143 children were diagnosed as having dental caries. The prevalence of dental caries was 34.60%. The prevalence of dental caries was 34.59% for boys and 34.62% for girls. There was no significant difference in caries prevalence between boys and girls (P> 0.05), but there was significant difference among all age groups (χ2 = 33.12, P <0.01). Conclusion Prevention of dental caries should be started from children and started from deciduous teeth. Preschool teachers and parents are also required to implement interventions to prevent dental caries.