龋病是一种危害儿童口腔健康的最常见疾病,近年来,我国儿童患龋率有逐年上升的趋势,而学龄前幼儿是龋病发病高峰期。为了评价健康教育对降低3～6岁幼儿,患龋率的效果,我们于1996年9月始,对215名3岁幼儿,实施健康教育干预4年评价研究,报告如下。1 对象与方法 Caries is one of the most common diseases that endanger the oral health of children. In recent years, the prevalence of caries in children in our country has been increasing year by year, while preschool children have the highest incidence of caries. In order to evaluate the effect of health education on reducing the prevalence of dental caries in children aged 3 to 6 years, we carried out a 4-year evaluation study of 215 3-year-old children starting from September 1996 on the intervention of health education. The report is as follows. 1 objects and methods