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Fluoride is a naturally occurring mineral which is present in trace amounts in soil, plants, water and food, and at optimal levels helps to prevent cavities by keeping teeth strong.
The CDC says fluoridation to prevent tooth decay is one of the 20th century’s greatest public health achievements, and more than half of Californians live in communities with fortified water ...
Some U.S. communities began doing so in the 1940s, and today about 72% of the U.S. population that receives water from public utilities drinks fluoridated water, according to the CDC.
Dr. Dean's research on the fluoride-dental caries relationship, published in 1942, included 7,000 children from 21 cities in Colorado, Illinois, Indiana, and Ohio. The study concluded that the optimal amount of fluoride which minimized the risk of severe fluorosis but had positive benefits for tooth decay was 1 mg per day, per adult.
Also, although fluoride affects the physiology of dental bacteria, [90] its effect on bacterial growth does not seem to be relevant to cavity prevention. [91] Fluoride's effects depend on the total daily intake of fluoride from all sources. [51] About 70–90% of ingested fluoride is absorbed into the blood, where it distributes throughout the ...
Fluoride therapy is the use of fluoride for medical purposes. [2] Fluoride supplements are recommended to prevent tooth decay in children older than six months in areas where the drinking water is low in fluoride. [3] It is typically used as a liquid, pill, or paste by mouth. [4] Fluoride has also been used to treat a number of bone diseases. [5]
The culture wars have a new target: your teeth. Communities across the U.S. are ending public water fluoridation programs, often spurred by groups that insist that people should decide whether ...
Water fluoridation is the controlled addition of fluoride to public water supplies to reduce tooth decay. Fluoridated water maintains fluoride levels effective for cavity prevention, achieved naturally or through supplementation. [68] In the mouth, fluoride slows tooth enamel demineralization and enhances remineralization in early-stage ...