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目的了解高氟地区儿童氟斑牙患病和智商状况,进一步研究高氟对人体的危害。方法选择杞县部分饮水型高氟地区,对7～10岁儿童进行调查,用Dean氏法对儿童氟斑牙进行诊断,使用瑞文测验-联合型图册(中国农村版)测试智商。结果此次调查地区的儿童智商均值为98.06,智力低下率为5.47%。氟斑牙患病儿童比非氟斑牙儿童IQ均值低1.37,差别无显著性。不同性别儿童的智商比较差异无显著性。结论长期饮用高氟水对儿童智力的发育可能会造成不利影响。
Objective To understand the prevalence and IQ of children with dental fluorosis in high fluoride areas and to further study the harm of high fluoride to the human body. Methods To select children aged 7 to 10 years old in part drinking water high fluoride area in Qixian County, to diagnose children ’s dental fluorosis by Dean’ s method, and to test IQ by using Raven Test - Joint Type Book (Rural China Edition). Results The mean IQ of children in this surveyed region was 98.06, and the mental retardation rate was 5.47%. Children with dental fluorosis than children with non-dental fluorosis IQ mean 1.37, the difference was not significant. There was no significant difference in IQ between children of different genders. Conclusion Long-term drinking high fluoride water may have an adverse effect on children’s mental development.