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1995年9月开始,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　对象和方法1.1　对象　在我 Caries is one of the most common diseases that endanger children’s oral health. In recent years, the prevalence of caries in children in our country has been increasing year by year, while preschool children are the peak of caries incidence. To evaluate the effect of health education on reducing the prevalence of caries in children aged 3 to 6 years, we conducted a four-year evaluation study of 215 3-year-old children starting from September 1995 on the intervention of health education, and the report is as follows. 1 objects and methods 1.1 object in me