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目的了解杭州市3~5岁儿童乳牙患龋状况及相关因素,为预防小儿龋齿提供参考依据。方法采用分层随机抽样的方法选取杭州市3~5岁800名儿童进行口腔健康调查,并对其家长进行问卷调查,调查内容包括儿童一般情况,生活习惯以及口腔习惯,父母文化程度,对口腔卫生保健知识和态度以及行为等,分析影响乳牙患龋的相关因素。结果本组800名儿童中478名儿童发生乳牙患龋,患病率为59.8%,其中男性患病率为60.2%,女性患病率为59.2%,男女差异无统计学意义(P>0.05);睡前进食甜食次数多、开始刷牙年龄晚、父母对口腔健康知识认识度低、父母对口腔健康态度差的儿童乳牙患龋率显著升高(P<0.05)。结论杭州市800名3~5岁儿童乳牙患龋率较高,儿童睡前进食甜食、开始刷牙年龄、父母对口腔健康知识认识及父母对口腔健康态度均可影响儿童乳牙患龋率。
Objective To understand the caries status and related factors of deciduous teeth of 3 ~ 5 years old children in Hangzhou and provide reference for preventing caries in children. Methods A stratified random sampling method was used to select 800 children from 3 to 5 years old in Hangzhou for oral health survey and their parents were surveyed. The survey included the general situation of children, lifestyle, oral habits and parents’ education level. Health knowledge and attitudes and behaviors, analysis of the factors that affect the caries of deciduous teeth. Results Among the 800 children, 478 children had deciduous teeth caries, with a prevalence of 59.8%. The prevalence rate was 60.2% in males and 59.2% in females. There was no significant difference between men and women (P> 0.05) ; Eating more sweets at bedtime, younger brushing age, lower awareness of oral health knowledge among parents, and significantly higher prevalence of dental decay among parents with poor oral health (P <0.05). Conclusion The caries prevalence of deciduous teeth of 800 children aged 3 ~ 5 years old in Hangzhou is high. Children ’s eating toothpaste before going to bed, brushing age, parent’ s knowledge of oral health and parents’ attitude to oral health can all influence the rate of caries decay in children.