新疆奎屯氟中毒地区改水后中小学生氟斑牙患病情况调查分析

为了解新疆奎屯氟中毒地区改水１５年后中小学生氟斑牙患病状况，对新疆奎屯原氟中毒重症区２０２８名中小学生进行口腔氟斑牙检查，分析不同年龄组，男女性别间氟斑牙患病情况，并与同区改水前相比较。结果表明，改水后当地中小学生氟斑牙患病率明显降低，其中９岁以下年龄组小学生患病率最低，１８岁以上年龄组中小学生患病率最高，男生患病率高于女生，改水防治工作取得明显效果，但仍需进一步加强。

Research of Dental Fluorosis in School Boys and Girls after Improvement of Water in Kuitun, Xinjiang

To understand the state of dental fluorosis in school boys and girls in the area of endemic dental fluorosis in Kuitun 15 years later after the improvement of water, 2 028 school boys and girls in Kuitun where once was serious endemic dental fluorosis area were inspected. Their dental fluorosis index was recorded. The differences of dental fluorosis among different ages and two sexes were analyzed. The state of dental fluorosis was compared with that of the same area before the improvement of water. The results showed that the prevalence rate of dental fluorosis in school boys and girls was declined significantly after the improvement of water and the group below 9 years old was the lowest and beyond 18 years old was the highest. Prevalence rate in boys was higher than that in girls. The effect of the improvement of water was evident, but it is neccessary to adopt further measures.