目前，氟离子透入是小学生防龋的一种常用方法，但由于各地水质环境、生活习惯及卫生习惯等因素的不同，这一方法结果差异较大。为了了解齐齐哈尔市氟离子透入法防阔的效果，为今后学校开展防朗工作提供科学依据，我们于1994年5月～1996年4月对齐齐哈尔6所小学的677名学生，进 At present, fluoride ion penetration is a common method for preventing caries in primary school students. However, due to the differences in water quality and environment, living habits and hygiene habits, the results of this method are quite different. In order to understand the anti-tuberculosis effect of fluoride ion penetration in Qiqihar City and provide a scientific basis for future anti-tuberculosis work in schools, we conducted 677 students in 6 primary schools in Qiqihar from May 1994 to April 1996