Excerpt:
… One of the major objectives of our research group is the production of geochemical maps showing the distribution of elements or important chemical species in the surface and groundwater of Sri Lanka. A geochemical data bank is now being prepared with the assistance of the Water Supply and Drainage Board and the Water Resources Board of Sri Lanka. For example, in a preliminary survey carried out on the relationship between fluoride ions in drinking water and the incidence of dental diseases, areas with abundant fluoride concentrations in the water (> 3 ppm) were identified. Dental fluorosis was found to be common in areas where mineral deposits such as apatite are found or where hot springs with exhalations of fluorine occur. In contrast, those areas with very little or no fluoride, such as the central region of Sri Lanka, had a high incidence of dental caries. The intensity of rainfall also plays a major role in the leaching of fluoride ions from soils and probably contributes to the formation of a low fluoride zone in the wet central region of Sri Lanka.
*Original report online at https://www.researchgate.net/publication/329886103_the_hydrogeochemical_atlas_of_sri_lanka
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Changing risk factors for fluorosis among South Australian children.
BACKGROUND: Research in the last decade has shown changing exposure patterns to discretionary fluorides and declining prevalence of fluorosis among South Australian children, raising the question of how risk factors for fluorosis have changed. OBJECTIVE: To examine and compare risk factors for fluorosis among representative samples of South Australian children in
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Dental Fluorosis over Time: A comparison of National Health and Nutrition Examination Survey data from 2001-2002 and 2011-2012.
Purpose: Excessive fluoride ingestion has been associated with dental fluorosis. The purpose of this study was to determine if there was a difference in dental fluorosis prevalence comparing National Health and Nutrition Examination Survey (NHANES) trend data for adolescents, aged 16 and 17 years, when compared to data collected in
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Associations between fluorosis of permanent incisors and fluoride intake from infant formula, other dietary sources and dentifrice during early childhood.
OBJECTIVES: The authors describe associations between dental fluorosis and fluoride intakes, with an emphasis on intake from fluoride in infant formula. METHODS: The authors administered periodic questionnaires to parents to assess children's early fluoride intake sources from beverages, selected foods, dentifrice and supplements. They later assessed relationships between fluorosis of the
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A Physiologically-Based Pharmacokinetic Modeling Approach Using Biomonitoring Data in Order to Assess the Contribution of Drinking Water for the Achievement of an Optimal Fluoride Dose for Dental Health in Children
Due to an optimal fluoride concentration in drinking water advised for caries prevention purposes, the population is now exposed to multiple sources of fluoride. The availability of population biomonitoring data currently allow us to evaluate the magnitude of this exposure. The objective of this work was, therefore, to use such
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Chronic Exposure to Bisphenol A exacerbates dental fluorosis in growing rats
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