Roncalli Angelo Giuseppe, Noro Luiz Roberto Augusto, Cury Jaime Aparecido, Zilbovicius Celso, Pinheiro Helder Henrique Costa, Ely Helenita Corrêa, Narvai Paulo Capel, Frazão Paulo
Centro de Ciências da Saúde, Universidade Federal do Rio Grande do Norte, Natal, Brasil.
Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, Piracicaba, Brasil.
Cad Saude Publica. 2019 Jul 4;35(6):e00250118. doi: 10.1590/0102-311X00250118.
Sanitation data for 2008 indicated that 74.4% of Brazilian municipalities (counties) with more than 50,000 inhabitants were receiving fluoridated water, but no criteria were adopted to validate the information. The study aimed to verify the accuracy of information on water fluoridation, using as the reference water surveillance data from municipalities with more than 50,000 inhabitants in 2008 and during 2010-2015. Data from different sources were used, comparing the information pertaining to the period. Water samples were collected, and fluoride concentration was obtained by the electrometric method. Verification was performed by comparing the data obtained from different sources. Data were compared for 601 (97.9%) municipalities. The proportion of municipalities that performed surveillance based on external control increased from 39.4% to 48.5%. There was a high rate of false positives and false negatives (15.1%) in the data for 2008. Municipal coverage was 70.2%, or 4.2 percentage points below the published estimate (74.4%) for 2008. Surveillance records were observed in 54.3% of the fluoridated municipalities whose population coverage reached at least 50% of the population receiving treated water. There was an important improvement in fluoridation surveillance data, despite a high percentage of false positives and negatives. There are still wide interregional differences in the surveillance of water fluoridation in this sample of Brazilian municipalities, raising important public health challenges.
2008年的卫生数据显示，巴西人口超过5万的城市（县）中有74.4%的地区供应含氟水，但未采用任何标准来验证这些信息。该研究旨在以2008年以及2010 - 2015年期间人口超过5万的城市的水监测数据为参考，核实有关水氟化的信息准确性。使用了来自不同来源的数据，对该时期的相关信息进行比较。采集了水样，并通过电位滴定法获得氟化物浓度。通过比较不同来源获得的数据进行核实。对601个（97.9%）城市的数据进行了比较。基于外部控制进行监测的城市比例从39.4%增至48.5%。2008年的数据中假阳性和假阴性率较高（15.1%）。城市覆盖率为70.2%，比2008年公布的估计值（74.4%）低4.2个百分点。在人口覆盖率至少达到接受处理水人口50%的加氟城市中，有54.3%的城市有监测记录。尽管假阳性和假阴性比例较高，但氟化监测数据仍有显著改善。在这个巴西城市样本中，水氟化监测仍存在很大的区域差异，这带来了重要的公共卫生挑战。
