Abstract
About 99% of the Norwegian population are supplied with surface water with very low fluoride levels. Accordingly, they need to use fluoride preparations to prevent dental caries. Groundwater with excess fluoride is a problem mainly in a few areas of South-Eastern Norway, where in some samples of borehole water the fluoride concentration has even exceeded 10 ppm. A warning is given against the use of high-fluoride water when preparing drinks and foods for children. Infants given dried milk formulas diluted with water are at particular risk of developing fluorosis. The recommended daily meals for a three month-old child contain 900 ml water. At a level of 2 ppm, the fluoride content of this volume will exceed the upper limit of the safe and adequate intake for a child this age by 3-4 times. Water used for this purpose should preferably not contain more than 0.5 ppm fluoride. While only few Norwegians are at risk of being exposed to high-fluoride water this problem affects many persons in other parts of the world. With reference to a joint Kenyan-Norwegian research project, the paper is illustrated by cases of dental fluorosis from a Kenyan village supplied with 9 ppm fluoride water. Dental fluorosis of such severity has never been encountered in Norway.
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Resolving Questions About the Validity of the CDC’s Fluorosis Data.
Comment on Dental Fluorosis Trends in US Oral Health Surveys: 1986 to 2012 [JDR Clin Trans Res. 2019]
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Spatial distribution of fluoride in drinking water and health risk assessment of children in typical fluorosis areas in north China.
Highlights Fluoride content in drinking water for fluorosis areas in Tianjin was investigated. MWS system has a better effect on reducing water fluoride concentration. Younger children (1–4 years old) are more vulnerable to high fluoride exposure. Special attention should be paid to health education strategies against fluorosis. Abstract China has been suffering
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Dental Fluorosis Trends in US Oral Health Surveys: 1986 to 2012
Introduction: Dental fluorosis has been assessed only 3 times in nationally representative oral health surveys in the United States. The first survey was conducted by the National Institute of Dental Research from 1986 to 1987. Subsequently, the National Health and Nutrition Examination Survey (NHANES) conducted fluorosis assessments from 1999 to 2004
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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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Characteristics of epidemiology of dental caries in children from regions with high and optimum fluorine content in drinking water.
Objective: Introduction: Prevention of dental diseases in children is the priority item on the modern dentistry agenda. Among the undeniable factors known as contributing into caries incidence, there is fluoride content in the external environment, especially in drinking water, which is the main source of fluoride intake. The aim: This
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Dental Fluorosis in the U.S. 1950-2004
Before the widespread use of fluoride in dentistry, dental fluorosis was rarely found in western countries. Today, with virtually every toothpaste now containing fluoride, and most U.S. water supplies containing fluoride chemicals, dental fluorosis rates have reached unprecedented levels. In the 1950s, it was estimated that only 10% of children in
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Community Fluorosis Index (CFI)
The current Community Fluorosis Index for U.S. adolescents as a whole (from both fluoridated and non-fluoridated areas) is roughly 5 times higher than the CFI health authorities predicted for fluoridated areas when fluoridation first began. It is also higher than the CFI that the NIDR found in fluoridated areas back in the 1980s. It is readily apparent, therefore, that children are ingesting far more fluoride than was the case in the 1950s, and even as recently as the 1980s.
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Severe Dental Fluorosis: Perception and Psychological Impact
[caption id="attachment_8879" align="aligncenter" width="550"] Severe fluorosis - Photograph by David Kennedy, DDS[/caption] In its severe forms, dental fluorosis causes highly disfiguring brown and black staining of the teeth, which can cause chronic embarrassment and social anxiety for the impacted child. In 1984, a panel from the National Institute of Mental Health (NIMH) warned
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Kidney Patients Are at Increased Risk of Fluoride Poisoning
It is well established that individuals with kidney disease are susceptible to suffering bone damage and other ill effects from low levels of fluoride exposure. Kidney patients are at elevated risk because when kidneys are damaged they are unable to efficiently excrete fluoride from the body. As a result, kidney patients
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Unheeded Warnings: Government Health Authorities Ignore Fluoride Risk for Kidney Patients
Despite the well known fact that individuals with kidney disease are at much higher risk of fluoride toxicity than the general population, there has yet to be any attempt in the United States, or any other country that practices mass-scale water fluoridation to determine the prevalence of fluoride-related effects (e.g.,
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