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龋病是危害人体健康的常见病、多发病之一。儿童尤其严重。其发病与口腔卫生、饮食习惯关系密切。1986年我们对武汉市三所幼儿园的全托和半托幼儿进行乳牙龋病发病情况的调查。并就其刷牙习惯和含糖饮食的摄入情况与乳牙龋病发病的关系进行了分析讨论。材料和方法调查对象为1015名3～6岁幼儿。其中全托幼儿413名,全托的时间均在一年以上,半托幼儿602名。检查方法:主要依靠视诊和探诊,少数参考X线摄片检查。对缺失牙及六龄齿未计入龋齿调查。按国内统一标准,将龋分为五度。如果一个牙有几处龋,则龋的分度按最重的记录。结果一、3～6岁413名全托幼儿与3～6岁602名半托幼儿乳牙患龋率及龋均的比较。详见表1。
Caries is one of the most common and frequently-occurring diseases that endanger human health. Children are especially serious. Its incidence and oral hygiene, eating habits are closely related. In 1986, we investigated the incidence of deciduous dental caries among full-time and half-care children in three nurseries in Wuhan. The relationship between brushing habits and the intake of sugary diet and the incidence of deciduous dental caries were analyzed and discussed. Materials and Methods Subjects surveyed were 1015 children aged 3 to 6 years old. Among them, there are 413 full-child care children who have been in full-time care for more than one year and have half-care children up to 602. Inspection methods: mainly rely on the diagnosis and exploration, a small number of reference X-ray examination. Investigation of missing teeth and six-year-old teeth not included in dental caries. According to the domestic uniform standards, the caries will be divided into five degrees. If a tooth has several caries, then the caries graduation according to the heaviest record. Results A comparison of caries prevalence and caries in 413 full-child care children aged 3 ~ 6 years and 602 half-care children in 3 ~ 6 years old were compared. See Table 1 for details.