【目的】 探讨青岛市崂山区3～6岁幼儿龋齿患病情况。 【方法】 对辖区内所有托幼园所5 620名幼儿龋齿资料进行调查分析。 【结果】 3~6岁幼儿患龋率为27.7%,其中男童患龋率为26.9%,女童为28.2%,患龋率无性别差异;>5～6岁年龄组患龋率最高,为49.56%,各年龄组间患龋率有差异有统计学意义(P<0.05)。 【结论】 预防龋齿要从幼儿抓起,预防儿童龋齿要从乳牙抓起,降低幼儿患龋率有待家长及幼师的配合和努力。

【Objective】 To study the situation of dental caries in 3 to 6-year-old kindergarten children in Laoshan, Qingdao. 【Method】 Oral examinations were performed on 5 620 kindergarten children of Laoshan district which aged 3 to 6 years old and the dental caries data were analyzed by χ² test. 【Results】 The prevalence of dental caries in children aged 3 to 6 years old was 27.7%. As for gender, the prevalence of dental caries was 26.9% for boys and 28.2% for girls. No significant difference in caries prevalence was found by gender. The caries prevalence of children was increased with age, which reached its highest as 49.56% in > 5～6 years old group. There was a significant difference in caries prevalence between age groups. 【Conclusions】 In order to prevent children from dental caries, oral hygiene measures and strategies must be carried out from early childhood when they have primary teeth. Reducing the caries prevalence in children needs cooperated efforts from both parents and kindergarten teachers.