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为了解乌鲁木齐市维汉族儿童龋齿的分布规律，进一步探索龋齿的病因并为制定防龋措施提供依据，我们于1996年3～5月对乌鲁木齐市2099名7～12岁维汉族儿童进行了龋齿患病情况的调查。l对象与方法1．l对象随机抽取乌鲁木齐市2所维汉族小学（维汉族小学各1所对～12岁儿童作为调查
In order to understand the distribution of dental caries in Uighur children in Urumqi, to further explore the cause of dental caries and to provide a basis for the development of anti-caries measures, we investigated 2099 children aged 7-12 years old in Urumqi from March to May 1996 with dental caries Disease investigation. l objects and methods 1. l Subjects were randomly selected from two Uyghur ethnic primary schools in Urumqi (one from Uyghur primary schools to 12-year-olds)