Why has exposure to fluoride increased?
Previously, the only source of exposure to fluoride was that which occurred naturally in drinking water or food as a result of the geological composition of soils and bedrock. Currently, exposure to fluoride comes from more sources including fluoridated dental products such as toothpaste and mouthwash, as well as the voluntary addition of fluoride to drinking water, which some systems do as a public health measure for reducing tooth decay.
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