Abstract
The presence or excess of very low concentrations of fluoride in the groundwater has been a major factor in the dental epidemiology of Sri Lanka. There is a clear boundary between the Wet Climatic Zone and the Dry Zone of the country. The high fluoride content in the groundwater (sometimes in excess of 5 mg/l) is generally found in the Dry Zone, particularly in the North Central Province. Dental fluorosis is prevalent in these Dry Zone areas whereas in the Wet Zone, the fluoride content of water is very low and results in dental caries. This particular environmental health problem is of special importance to Sri Lanka in that the vast majority of the population of the country depend on untreated groundwater for their domestic water supplies. The health of this population therefore is controlled to a marked degree by the chemistry of the groundwater.
The compilation of maps showing the distribution patterns of fluoride in groundwater is vital in the implementation of rural water supply schemes. The use of appropriate technology in the design of simple deflouridating techniques and active rural community participation are of particular importance in the management of groundwater supplies in “flouride?rich or poor” zones.
*Original abstract online at https://www.tandfonline.com/doi/abs/10.1080/00207239108710658
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Dental fluorosis: concentration of fluoride in drinking water and consumption of bottled beverages in school children
OBJECTIVE: The purpose of the study was to identify dental fluorosis prevalence and to analyze its association with tap water fluoride concentration and beverage consumption in school children from the city of Oaxaca, who were receiving fluoridated salt. STUDY DESIGN: A cross-sectional study was performed on elementary public school children. Dean's
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Utilization of ( 3 H)-serine by ameloblasts of rats receiving sub-mottling doses of fluoride.
Five-day-old Wistar rats were given three intraperitoneal injections at 2-hourly intervals of a solution of sodium fluoride in 0.9 per cent sodium chloride. Three fluoride levels were used: a mottling dose of 3 mgF/kg body weight; and two sub-mottling doses, 0.05 mg and 0.01 mgF/kg body weight. Thirty minutes after
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Child Skeletal Fluorosis from Indoor Burning of Coal in Southwestern China
Objectives. We assess the prevalence and pathogenic stage of skeletal fluorosis among children and adolescents residing in a severe coal-burning endemic fluorosis area of southwest China. Methods. We used a cross-sectional design. A total of 1,616 students aged between 7 and 16 years in Zhijin County, Guizhou, China in late 2004
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Assessing Fluorosis Incidence in Areas with Low Fluoride Content in the Drinking Water, Fluorotic Enamel Architecture, and Composition Alterations.
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Etiological factors related to dental fluorosis among children in Poznan, Poland - a preliminary report.
The aim of this study was to make a preliminary assessment of etiological factors related to dental fluorosis of permanent teeth among children in Poznan, Poland. Included were 19 resident children, aged 8–17 with symmetrical diffuse enamel opacities, along with 19 matched controls. Possible etiological factors of dental fluorosis were
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