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Qualidade da água tratada: avaliação dos teores de flúor em 10 anos de heterocontrole no município de Lages, Santa Catarina, Brasil

Authors: Kuhnen, Mirian; Gamba, Bruno; Narvai, Paulo Capel; Toassi, Ramona Fernanda Ceriotti;

Qualidade da água tratada: avaliação dos teores de flúor em 10 anos de heterocontrole no município de Lages, Santa Catarina, Brasil

Abstract

Fluoretação da água de abastecimento público é a adição de compostos de flúor nas estações de tratamento da água como uma das formas de prevenção da cárie dentária. Este estudo avaliou a situação da fluoretação das águas de abastecimento no município de Lages, Santa Catarina, sistematizando dados de 10 anos de heterocontrole (2004–2013). Mensalmente, em dias alternados, foram coletadas 67 amostras de água de 11 pontos de abastecimento, totalizando 737 amostras. Para a determinação da concentração de flúor nas amostras de água utilizou-se o método eletrométrico. Após análise, as amostras foram classificadas, segundo os critérios da Portaria nº 635/Bsd, de 26/12/1975 (adequadas ou inadequadas), e os critérios propostos pelo Centro Colaborador do Ministério da Saúde em Vigilância da Saúde Bucal (Cecol) da Universidade de São Paulo (benefícios e riscos à saúde da população). Das amostras analisadas, 58,6% apresentaram teores adequados de flúor e 51,1% máximo benefício e baixo risco apresentaram, de acordo com cada critério. Nas amostras inadequadas de concentração de flúor, 34,7% situou-se nos teores acima de 1,0 mg.L-1 e 6,7%, baixos teores de flúor na água (< 0,7 mg.L-1). Pelos critérios do Cecol, 45,0% das amostras caracterizaram-se por risco moderado a muito alto de desenvolvimento de fluorose (teores de flúor entre 0,95 e ≥ 1,45 mg.L-1). Recomenda-se a adoção de medidas efetivas para garantir à população o consumo de água tratada com qualidade, o que inclui teores adequados de flúor na água e manutenção de ações de vigilância sanitária por parte das autoridades de Saúde Pública.

Keywords

Análise da Água, Water quality control, Fluoretação da Ãgua, Qualidade da água, Water monitoring, Abastecimento de Água, Abastecimento de Ãgua, Water supply, Controle da Qualidade da Água, Fluoridation, Sanitary surveillance, Tratamento da Ãgua, Fluoretação da Água, Tratamento da Água, Water treatment, Controle da Qualidade da Ãgua, Fluoretação, Análise da Ãgua, Water analysis, Monitoramento da Ãgua, Flúor, Monitoramento da Água, Public aspects of medicine, RA1-1270

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    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Average
Green
gold