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1995－1997年我们对城区（南京五十四中学、溧卫校）和农村（溧阳杨庄乡中学）的1228名学生进行了一次口腔卫生状况调查，旨在了解城乡中学生口腔卫生情况，为学校口腔保健工作提供依据。1调查标准与方法1.1按1982年全国中小学生龋齿调查标准和要求制定统一表格，口腔卫生由口
From 1995 to 1997, we conducted an oral health survey of 1,228 students in urban areas (Nanjing May Fourth Middle School, Health Protection School) and in rural areas (Yangyang Yangzhuang Secondary School) to understand the oral health status of middle school students in urban and rural areas. Health work provides the basis. 1 Survey Standards and Methods 1.1 According to the 1982 national dental school survey standards and requirements for the development of a unified form, oral hygiene