氟离子透入防龋效果观察内蒙古科左后旗人民医院田富，胡喜英我们于１９８７年１２月至１９９０年１２月在旗所在地两所中学、五所小学对３８３６名儿童，利用氟离子透入法进行防龋，预防人数占在校学生的６０．５％，同时进行预防效果观察。资料与方法　①对象：在两所学... Fluoride ion penetration of anti-caries effect Kezuohouqi People's Hospital of Inner Mongolia Tian Fu, Hu Xiying We in December 1987 to December 1990 in two secondary schools where the flag is located, five primary schools for 3836 children, using fluoride ion penetration method Prevention of caries, the number of prevention accounted for 60.5% of school students at the same time preventive effect observation. Data and methods ① object: in two learning ...