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目的探析高氟饮水对延安市延川县农村学龄儿童氟斑牙患病的影响情况。方法选择延安市延川县的3个自然村作为调查地点,在每个村选择4户人间采集水样本,共12份水样本,将《生活饮用水标准检验方法》作为基本依据,对水样本的硬度、氟化物以及pH值进行测定。同时,选择3个自然村共90例学龄儿童作为研究对象,根据Dean法对氟斑牙进行诊断,对并氟斑牙检出率进行计算,分析研究结果。结果本次研究的12份水样本的硬度、氟化物以及pH值分别为495.00mg/L、1.25mg/L以及7.02;本组的90例学龄儿童中,共检出57例氟斑牙,检出率为63.33%;经Logistic分析结果显示,农村学龄儿童发生氟斑牙与营养知识得分、父母文化程度、食用食物种类少、饮水氟含量高以及家庭经济有关。结论延安市延川县农村学龄儿童的氟斑牙患病率较高,其发病与诸多因素有关,其中饮水氟含量高是比较重要的一个因素,应该加强水质管理,开展健康教育,从而降低儿童氟斑牙患病率。
Objective To explore the influence of drinking water with high fluoride on the prevalence of dental fluorosis in rural school-age children in Yanchuan, Yan’an. Methods Three natural villages in Yanchuan County, Yan’an City were selected as survey sites. Four water samples were collected from 4 households in each village. A total of 12 water samples were collected. The “Standard Test Method for Domestic Drinking Water” Hardness, fluoride and pH were measured. At the same time, a total of 90 school-aged children from 3 villages were selected as the research objects. According to Dean’s method, the diagnosis of dental fluorosis was performed. The detection rate of dental fluorosis was calculated and the results were analyzed. Results The hardness, fluoride and pH of 12 water samples in this study were 495.00 mg / L, 1.25 mg / L and 7.02, respectively. Of the 90 school-age children in this study, 57 cases of dental fluorosis were detected The rate of 63.33%; Logistic analysis showed that rural school-aged children dental fluorosis and nutritional knowledge scores, parents of educational level, food type, drinking water fluoride content is high and the family economy. Conclusion The prevalence of dental fluorosis in rural school-age children in Yanchuan City is relatively high. The incidence of fluoride-related dental fluorosis is related to many factors. Among them, the high fluoride content in drinking water is a more important factor. Water quality management and health education should be strengthened so as to reduce the risk of children The prevalence of dental fluorosis.