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首页> 外文期刊>Indian journal of public health. >Prevalence of dental caries and dental fluorosis among 12 and 15 years old school children in relation to fluoride concentration in drinking water in an endemic fluoride belt of Andhra Pradesh
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Prevalence of dental caries and dental fluorosis among 12 and 15 years old school children in relation to fluoride concentration in drinking water in an endemic fluoride belt of Andhra Pradesh

机译：安得拉邦地方性氟化物带中12至15岁学龄儿童龋齿和氟中毒的患病率与饮用水中氟化物浓度的关系

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Background: The published literature on the prevalence and severity of dental caries and dental fluorosis among school going children in Nalgonda district - An Endemic Fluoride belt was lacking . Objectives: To assess the prevalence and severity of dental fluorosis and dental caries among 12 and 15 years old children in relation to fluoride concentration in drinking water . Settings and Design: It was a cross-sectional study, done in Nalgonda district of Andhra Pradesh, India (endemic fluoride belt) . Materials and Methods: 5 of the 59 mandals in the district of Nalgonda were selected by simple random sampling. Then, 3 schools from each of these selected mandals were chosen at random. All the eligible 6 th and 9 th standard children were considered for final analysis. The demographic and other relevant information was collected by 3 trained and calibrated dentists, using a structured questionnaire. Dental caries were recorded using dentition status and treatment needs and fluorosis were recorded by Dean's fluorosis index. The statistical analysis was done using SPSS version 16. Results: The prevalence of dental caries among children was 56.3% with the highest in below optimal fluoride area (71.3%) and lowest in optimal fluoride area (24.3%). The prevalence of dental fluorosis was 71.5%. The prevalence was 39.7% in below optimal fluoride area and 100% in high and very fluoride areas. The prevalence and severity of fluorosis increased with increasing fluoride concentration. The caries experience was more among boys than girls. Conclusion: There was a negative correlation between dental caries and fluoride concentration for the entire study population. However, in high fluoride areas, there was a positive correlation between fluoride concentration and dental caries. Water defluoridation on an urgent basis is a priority here than water fluoridation, because the prevalence and severity of dental flurorosis is very high.
机译：背景：已发表的有关纳尔贡达地区学龄儿童龋齿和氟中毒的患病率和严重程度的文献-缺乏地方性氟化物传送带。目的：评估与饮用水中氟化物浓度相关的12和15岁儿童中氟中毒和龋齿的患病率和严重程度。设置和设计：这是一项横断面研究，在印度安得拉邦纳尔贡达区（地方性氟化物带）进行。材料和方法：通过简单的随机抽样从纳尔贡达（Nalgonda）的59个城市中选出5个。然后，从这些选择的男同性恋者中的每一个中随机选择3所学校。对所有符合条件的6个 和9个 标准儿童进行最终分析。使用结构化的调查表，由3名经过培训和校准的牙医收集了人口统计信息和其他相关信息。使用牙列状态和治疗需求记录龋齿，并通过Dean的氟中毒指数记录氟中毒。使用SPSS版本16进行统计分析。结果：儿童龋齿的患病率为56.3％，在低于最佳氟化物区域的比例最高（71.3％），而在最佳氟化物区域的比例最低（24.3％）。氟中毒的患病率为71.5％。在低于最佳氟化物区域的患病率为39.7％，在高氟化物和非常氟化物区域的患病率为100％。氟中毒的发生率和严重程度随氟化物浓度的增加而增加。男孩的龋齿经历多于女孩。结论：整个研究人群的龋齿与氟化物浓度之间呈负相关。但是，在氟化物含量高的地区，氟化物浓度与龋齿之间呈正相关。在紧急情况下，水的除氟要优先于水的除氟，因为牙科牙结石的患病率和严重性很高。

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