论文部分内容阅读
本文报告了泌阳县地方性氟中毒的流行概况,高氟区主要分布于丘陵和山区的 1,340个自然村,受威胁人口达36.5万人,氟斑牙患病率为47.82％。水氟含量与患病率呈正相关;不同地理环境间病区分布差异非常显著。调查结果表明:泌阳县居民地方性氟中毒属于饮水型。高氟饮水的成因主要是富氟岩层萤石、石灰岩矿经淋溶所致。初步提出了降氟改水以寻求地面水源为主的建议。调查结果表明,居民地方性氟中毒患病率与饮水含氟量呈正相关,病区虽灶状分布,即使在病区分布较多的丘陵、山区,低氟井仍占42.94％(1,115/2,597);邻村甚至同
This article reports the prevalence of endemic fluorosis in Biyang County. The high-fluoride areas are mainly distributed in 1,340 natural villages in the hills and mountains. The threatened population is 365,000, and the prevalence of dental fluorosis is 47.82%. Water fluorine content and the prevalence was positively correlated; distribution of wards in different geographical environment is very significant. The survey results show that: Biyang County inhabitants endemic fluorosis is drinking water type. The main cause of high-fluoride drinking water fluorite fluorite rock, limestone mine leaching caused. Proposed initially to reduce fluoride to find the groundwater source water-based recommendations. The survey results showed that the prevalence of endemic fluorosis in residents was positively correlated with the fluoride content in drinking water. Although the distribution of lesions was focal, 42.94% (1,115 / 2,597) of low-fluoride wells even in hilly and mountainous areas with more ward distribution ); Neighboring village even with