目的了解和掌握桦甸市小学生口腔卫生基本情况。方法对市区4所小学864名小学生进行囗腔卫生知识问卷调查。结果通过调查统计,口腔卫生知识4项指标及正确刷牙情况在新入学学生和3年级学生之间均有显著差异。结论小学生在日常生活中应养成良好生活习惯,注重口腔卫生,健康成长。 Objective To understand and master the basic situation of oral hygiene of primary school students in Huadian City. Methods A total of 864 primary school students from 4 primary schools in the urban area were surveyed by questionnaire about the hygiene knowledge of cavities. Results According to the survey statistics, the four indicators of oral hygiene knowledge and the correct brushing situation were significantly different between the freshmen and the third grade students. Conclusion Pupils should develop good habits in their daily life, pay attention to oral health and healthy growth.