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内蒙大兴安岭林区１２６６名中学生釉质发育不全症及龋齿调查报告内蒙牙克石林业中心医院口腔科（邮０２２１５０）李艳茹，华崇慧，刘世忠材料与方法１９９０年对牙克石林业三中１２６６名学生进行釉质发育不全症及龋齿发病情况调查。诊断标准：釉质发育不全症按口腔内科...
Inner Mongolia Daxing'anling 1266 middle school students enamel hypoplasia and dental caries investigation of Inner Mongolia Yakeshi Forestry Center Hospital Department of Stomatology (022150) Li Yanru, Hua Chonghui, Liu Shizhong materials and methods 1990 Yakeshi Forestry three in 1266 students To investigate the incidence of enamel hypoplasia and dental caries. Diagnostic criteria: enamel hypoplasia by oral ...