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调查分析了山东省7个市地,15个县(市区)改水降氟4～10年55个轻、中、重病村4192名8～12岁儿童氟斑牙患病情况。结果表明改水降氟是控制饮水型地方性氟中毒可靠有效的措施,儿童氟斑牙检出率的下降与改水后供水年限、儿童年龄和病区类型密切相关。
Investigation and analysis of the prevalence of dental fluorosis in 4192 children aged 8 ~ 12 in 55 cities with mild, moderate or severe disease in 4 cities in Shandong Province and 15 counties (cities) in 4 ~ 10 years. The results showed that water fluoride reduction is a reliable and effective method to control endemic fluorosis in drinking water. The detection rate of dental fluorosis in children is closely related to the water supply period, children’s age and ward type.