Abstract
OBJECTIVES: This paper reports on estimated daily fluoride intake from water by itself, beverages, selected foods, dentifrice, and dietary supplements, both individually and combined (mg and mg F/kg bw), among 785 children in the Iowa Fluoride Study from 36 to 72 months of age.
METHODS: Children were recruited in 1992-95, with questionnaires sent at four- to six-month intervals. Dietary fluoride intake estimates used community and individual water fluoride levels and average fluoride levels of beverages and foods prepared with water. Descriptive statistics and generalized linear models (GLM) assessed levels and associations with demographic factors.
RESULTS: There was substantial variation in fluoride intake, with some individuals’ intakes greatly exceeding the means. Daily water fluoride intake estimates (in mg) increased with age, fluoride intake from other beverages and dentifrice both decreased slightly, and combined intake was quite consistent. For combined intake per unit body weight (mg F/kg bw), there was a steady decline with age. Therefore, the percentages with estimated intake exceeding possible thresholds for dental fluorosis also declined with age.
CONCLUSIONS: Daily mean fluoride intakes from single and combined sources are relatively stable from 36-72 months of age among these children.
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Total fluoride intake and implications for dietary fluoride supplementation
This paper reviews the history and validity of recommended "optimal" levels of systemic fluoride intake and the available information on levels of fluoride intake in young children from foods and beverages (including water), dentifrices, dietary fluoride supplements, mouthrinses, and gels. Most of the studies emphasize the substantial variation in ingestion among individuals. Often, a substantial
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A quantitative look at fluorosis, fluoride exposure, and intake in children using a health risk assessment approach
The prevalence of dental fluorosis in the United States has increased during the last 30 years. In this study, we used a mathematical model commonly employed by the U.S. Environmental Protection Agency to estimate average daily intake offluoride via all applicable exposure pathways contributing to fluorosis risk for infants and children
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Systemic fluoride. Sources, amounts, and effects of ingestion
Fluoride may be ingested from a variety of sources, including many foods and beverages. Fluoride intake varies greatly among individuals and is dependent on dietary constituents and use of fluoride products. Although ingestion of toxic amounts of fluoride is rare, the prevalence of dental fluorosis has increased in North America, suggesting that the levels of fluoride ingestion
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Sources of fluoride intake in children
Wide variations in fluoride intake among children make estimating fluoride intake difficult. This paper discusses the various sources of fluoride intake among children, beginning with a review of the fluoride concentrations of water and other beverages, foods, and therapeutic fluoride products. A review of previous studies' estimates of fluoride intake from diet, dentifrice, fluoride supplements, fluoride mouthrinses, and gels, as well as total fluoride intake also is
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The Role of Fluoride in the Prevention of Tooth Decay
KEYWORDS • Dental caries • Dental decay • Oral health • Fluorides • Primary prevention • Secondary prevention • Children KEY POINTS • Fluoride is the key to prevention of tooth decay. • There are multiple fluoride modalities. • Effectiveness and safety of fluoride depend on dose and concentration. • Individual level
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