Fluoride
F⁻
Fluoride is a naturally occurring mineral that is present in rocks, soil, water, and some foods. It is most commonly known for its use in dental products like toothpaste and mouthwash, where it is added in small amounts to help prevent tooth decay.
There is substantial evidence to support the benefits of fluoride in preventing tooth decay and cavities. Fluoride helps to strengthen the enamel on teeth, making it more resistant to the acid damage that can lead to cavities. It can also help repair early stages of tooth decay before they progress into cavities.
In addition to its use in dental products, fluoride is also added to public water supplies in many parts of the world. This practice, called water fluoridation, is supported by the World Health Organization (WHO) and the American Dental Association (ADA) as a safe and effective way to improve oral health. The optimal level of fluoride in drinking water is between 0.7 and 1.2 parts per million (ppm).
While fluoride is generally considered safe and effective for preventing tooth decay, excessive fluoride intake can lead to a condition called fluorosis, which causes discoloration and pitting of the teeth. Fluorosis only occurs when fluoride intake exceeds recommended levels, which is rare in areas with optimal water fluoridation.
In summary, fluoride has been shown to be an effective tool in preventing tooth decay and cavities. It can be found in dental products and is added to public water supplies in many areas. It is generally considered safe when used in recommended amounts, but excessive intake can lead to fluorosis.
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