作者对萍乡市长平乡地方性氟中毒进行了流行病学调查,结果氟斑牙患病率为71.1%,氟斑牙以着色型占多数,轻度病变为主,病区厨房空气含氟量超过国家标准允许范围,但水源水含氟量在国家允许范围内,提示该乡氟斑牙发病与燃煤密切相关. The author conducted an epidemiological survey of endemic fluorosis in Pingxiang, Pingxiang City. Results showed that the prevalence of dental fluorosis was 71.1%. Most of the dental fluorosis was stained, with mild lesions. The fluoride in kitchen air The amount exceeds the allowable range of national standards, but the fluoride content of water source water within the national allowable range, suggesting that the incidence of dental fluorosis in the township is closely related to coal combustion.