External control of water fluoridation in a small municipality of northeast of Brazil

Revista de Odontologia da UNESP Pub Date : 2020-01-01 DOI:10.1590/1807-2577.01720

M. Bezerra, T. M. Ribeiro, F. Forte, F. Sampaio, Jocianelle Maria Félix Fernandes Nunes

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Abstract

Abstract Introduction Fluoridation of public water supply is an important measure in the prevention of dental caries. Objective This study aimed to monitor the fluoride (F) concentrations of a public water supply with water fluoridation program in a small municipality in the Northeast region of Brazil. Material and method It is a quantitative study with a descriptive approach. Three points of the urban area were selected for collecting water samples twice a month for 12 months. The average of F concentrations was calculated considering these three samples of each collection point at the same occasion. F concentrations in the water samples were determined by potentiometry and the results were classified according to the criterion proposed by criterion set down by Collaborating Center of the Brazilian Ministry of Health for Oral Health Surveillance. The samples were classified according to the best risk-benefit adjustment (0.55 – 0.84 mg F /L). Result Less than 10% of the samples were within the ideal range. Conclusion It was observed that water fluoridation in this municipality was interrupted since many water samples showed f-levels below the minimal acceptable values.

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巴西东北部一个小城市水氟化的外部控制

公共供水加氟是预防龋齿的一项重要措施。目的本研究旨在监测巴西东北地区一个小城市公共供水中氟(F)浓度的水氟化方案。材料与方法这是一项采用描述性方法的定量研究。选取市区3个点，每月2次采集水样，为期12个月。考虑同一时间每个采集点的这三个样品，计算F浓度的平均值。水样中的F浓度采用电位法测定，并根据巴西卫生部口腔健康监测合作中心制定的标准对结果进行分类。根据最佳风险-效益调整值(0.55 ~ 0.84 mg F /L)对样品进行分类。结果在理想范围内的样品不到10%。结论由于许多水样的氟含量低于最低可接受值，本市的水氟化处理中断。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Revista de Odontologia da UNESP

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审稿时长

15 weeks