为了解我市城乡学生口腔卫生状况,我们选择了市内一所中学、三所小学,农村一所中学、一所小学的289名学生于1989年10月进行了口腔卫生调查。 1 调查方法 1.1 刷牙情况调查采用问答方式,做好记录。 1.2 牙菌斑显示剂采用四氯四碘荧光素B,按常规方法评价(见《学校卫生》5(3):39,1984)。 In order to understand the oral and hygiene conditions of urban and rural students in our city, we chose a city secondary school, three primary schools, a rural secondary school, a primary school 289 students in October 1989 conducted an oral health survey. A survey method 1.1 brushing situation survey using question and answer, make a record. 1.2 Dental plaque indicator using tetrachlorotetraosine fluorescein B, according to the conventional method of evaluation (see “School of Health” 5 (3): 39,1984).