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为了解学生龋齿患病情况，进一步搞好口腔卫生保健，我们于1993年4～5月对丹东市第五中学1822名学生进行了龋齿调查。现将结果报告如下：1对象与方法1．1对象初中一年级至三年级共计1822名学生，中其男生920名，女生902名，年龄在15～17岁之间。1．2调查方法按口腔疾病检查常规
In order to understand the prevalence of dental caries among students and further improve dental health care, we conducted dental caries investigations on 1822 students from the fifth middle school in Dandong City from April to May 1993. The results are now reported as follows: 1 Objects and Methods 1.1 Subjects A total of 1,822 pupils in grades 1 through 3 of junior high school, of whom 920 were boys and 902 were female, aged between 15 and 17 years old. 1.2 Survey Methods Oral Disease Examination Routine