为了解余姚市城乡中学生口腔卫生情况,调查学生口腔保健知识与行为现状,从而指导口腔保健知识宣传工作,笔者对余姚市部分中学生进行了口腔健康状况和卫生知识问卷调查,现将结果报道如下。1对象与方法1.1对象随机抽取余姚市城市、农村中学各1所,以初一～初三学生316名为调查对象 In order to understand the oral health status of middle school students in urban and rural areas of Yuyao and to investigate the status quo of oral health care knowledge and behavior of students in order to guide the propaganda work of oral health knowledge, the author conducted a questionnaire survey on oral health status and health knowledge among some middle school students in Yuyao City. The results are reported as follows. 1 objects and methods 1.1 object randomly selected Yuyao City, rural secondary schools each one, to the first ~ third year students 316 were surveyed