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Fluoride concentration in public water supply: 72 months of analysis
Moimaz, Suzely Adas Saliba; Saliba, Orlando; Chiba, Fernando Yamamoto; Sumida, Doris Hissako; Garbin, Cléa Adas Saliba; Saliba, Nemre Adas.
  • Moimaz, Suzely Adas Saliba; Univ Estadual Paulista. Araçatuba Dental School. Department of Child and Community Dentistry. Araçatuba. BR
  • Saliba, Orlando; Univ Estadual Paulista. Araçatuba Dental School. Department of Child and Community Dentistry. Araçatuba. BR
  • Chiba, Fernando Yamamoto; Univ Estadual Paulista. Araçatuba Dental School. Department of Child and Community Dentistry. Araçatuba. BR
  • Sumida, Doris Hissako; Univ Estadual Paulista. Araçatuba Dental School. Department of Child and Community Dentistry. Araçatuba. BR
  • Garbin, Cléa Adas Saliba; Univ Estadual Paulista. Araçatuba Dental School. Department of Child and Community Dentistry. Araçatuba. BR
  • Saliba, Nemre Adas; Univ Estadual Paulista. Araçatuba Dental School. Department of Child and Community Dentistry. Araçatuba. BR
Braz. dent. j ; 23(4): 451-456, 2012. ilus, tab
Article in English | LILACS | ID: lil-658026
ABSTRACT
Known as one of the ten most important advances on Public Health in the 20th century, fluoridation of public water supply is a measure of wide population coverage, which is effective on caries control. The city of Araçatuba, in the Northwest region of the São Paulo state, Brazil, started public water supply fluoridation in 1972 and, based on the average annual highest temperature, has kept the fluoride concentration between 0.6 to 0.8 mgF/L. The purpose of this study was to analyze monthly the fluoride concentration in public water supply in the city of Araçatuba during 72 months. Water samples were collected monthly on weekdays, directly from the water distribution network, on pre-established locations and analyzed in duplicate between November 2004 and October 2010 at the Research Laboratory of the Nucleus for Public Health (NEPESCO) of the Public Health Graduate Program from Araçatuba Dental School/UNESP, Brazil, using an fluoride-specific electrode connected to an ion analyzer. From the total of samples (n=591), 67.2% (n=397) presented fluoride concentration between 0.6 and 0.8 mgF/L; 20.6% (n=122) below 0.6 mgF/L; 11.5% (n=68) between 0.8 and 1.2 mgF/L and 0.7% (n=4) above 1.2 mgF/L. Most samples showed fluoride levels within the recommended parameters. Minimal variation was observed among the analyzed collection locations, showing that the city has been able to control the fluoride levels in the public water supply and reinforcing the importance of surveillance and constant monitoring to assure the quality of the water delivered to the population.
RESUMO
Reconhecida como um dos dez mais importantes avanços na Saúde Pública do século 20, a fluoretação das águas de abastecimento é uma medida de grande alcance populacional, eficaz no controle da cárie dentária. A cidade de Araçatuba, na região noroeste do estado de São Paulo, iniciou a fluoretação em 1972 e baseado na média da temperatura máxima anual, deve manter o teor de flúor entre 0,6 a 0,8 mgF/L. O objetivo deste estudo foi analisar mensalmente os teores de fluoretos nas águas de abastecimento público, no município de Araçatuba, durante 72 meses. Amostras de água foram coletadas mensalmente, em dias úteis, diretamente da rede de distribuição, nos pontos previamente estabelecidos e analisadas, em duplicata, de novembro de 2004 a outubro de 2010, no laboratório do Núcleo de Pesquisa em Saúde Coletiva do Programa de Pós-Graduação em Odontologia Preventiva e Social (NEPESCO) da Faculdade de Odontologia de Araçatuba/UNESP, utilizando-se um analisador de íons acoplado a um eletrodo específico para flúor. Do total das amostras (n=591), 67,2% (n=397) apresentaram teores de flúor entre 0,6 e 0,8 mgF/L; 20,6% (n=122) abaixo de 0,6 mgF/L; 11,5% (n=68) entre 0,8 e 1,2 mgF/L e 0,7% (n=4) acima de 1,2 mgF/L. A maioria das amostras apresentou teores de fluoreto dentro dos parâmetros recomendados. Observou-se variação mínima entre os pontos de coleta analisados, demonstrando que o município tem obtido êxito no controle dos níveis de flúor presentes na água e evidenciando a importância da vigilância e monitoramento constantes para garantir a qualidade da água fornecida à população.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Water Supply / Cariostatic Agents / Fluorides Type of study: Observational study Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Univ Estadual Paulista/BR

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Full text: Available Index: LILACS (Americas) Main subject: Water Supply / Cariostatic Agents / Fluorides Type of study: Observational study Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2012 Type: Article Affiliation country: Brazil Institution/Affiliation country: Univ Estadual Paulista/BR