Comparison of Fluoride Levels in Tap and Bottled Water and Reported Use of Fluoride Supplementation in a United States-Mexico Border Community

Frontiers in Public Health
Kerton R VictoryPaloma I Beamer

Abstract

Compared to the general United States (U.S.) population, Arizona counties along the U.S.-Mexico border have a higher prevalence of dental caries, which can be reduced with adequate fluoride exposure. Because of concern regarding local tap water quality, fluoride-free bottled water consumption is common in this region, raising concern that families are not receiving adequate fluoride to promote dental health. To evaluate the levels of fluoride in tap and bottled water as well as the use of fluoride supplements in an Arizona border community. Low-income Latino households (n = 90) who report use of bottled water as their primary source of water intake were recruited. Participants completed a questionnaire about their and their children's dental histories and use of fluoride supplements. Water samples (bottled and tap) were collected from a subset of households (n = 30) for analysis of fluoride. Fluoride detection levels were significantly greater (p = 0.02, Fisher's exact test) in tap water (average = 0.49 mg/dL) than in bottled water, yet, the majority (22/30) were below the range for optimal dental health (0.7-1.2 mg/L). Concentration of fluoride in the majority (29/30) of bottled water samples was below the quantitative detecti...Continue Reading

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Citations

Sep 18, 2020·JDR Clinical and Translational Research·M LinL Espinoza
May 1, 2021·Environmental Science and Pollution Research International·Mohammad Rezvani GhalhariAmir Hossein Mahvi

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