THE FLUORIDE CONCENTRATION OF THE PUBLIC WATER SUPPLY IN THE URBAN ZONE AND INDIGENOUS VILLAGES OF BAÍA DA TRAIÇÃO, PARAÍBA, BRAZIL
Journal Title: Revista Científica do CRO-RJ / Rio de Janeiro Dental Journal - Year 2018, Vol 3, Issue 1
Abstract
Introduction: It is known that the municipality of Baía da Traição, Brazil, has a system for fluoridation of the water supply. Objective: To evaluate the fluoride concentration (F-) of the public water supply in the city of Baía da Traição-PB. Methods: Public water samples were collected in 13 sites, being one in the urban zone (downtown) and 12 in the rural zone (indigenous villages). In each site, three distinct collection points were selected for convenience between November 2015 and January 2016. The analysis was performed in duplicate using a fluoride ion- specific electrode coupled to a potentiometer, previously calibrated. The samples (750 μL) were added to 750 μL of TISAB II solution, considered on a calibration curve with concentrations of 0.2 to 1 mg/L. Results: In November, December and January, respectively, concentrations of F- in the downtown area were 0.32, 0.11 and 0.09 mg/L, while the average concentrations in the indigenous villages were 0.08 (± 0.02), 0.08 (± 0.03) and 0.07 (± 0.02) mg/L. All samples had concentrations below the recommended levels (<0.60 mg/L) by the Ministry of Health for the anticaries benefit. Conclusion: The public water supply of Baía da Traição presented concentrations of F- insufficient to prevent dental caries at the population level.
Authors and Affiliations
Natanael Victor Furtunato Bezerra, Karla Lorene França Leite, Mariana Marinho Davino de Medeiros, Mariana Leonel Martins, Wilton Wilney Nascimento Padilha, Yuri Wanderley Cavalcanti
Keywords
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