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Water fluoridation in the United States is common amongst most states. As of May 2000, 42 of the 50 largest U.S. cities had water fluoridation. On January 25, 1945, Grand Rapids, Michigan, became the first community in the United States to fluoridate its drinking water for the intended purpose of helping to prevent tooth decay.
Water fluoridation reduces cavities in children, while efficacy in adults is less clear. [9] [needs update] [10] [11] A Cochrane review estimates that when water fluoridation is used by children who have no other access to sources of fluoride, there is a reduction in cavities by 35% in baby teeth and 26% in permanent teeth. [9]
The water fluoridation controversy arises from political, ethical, economic, and health considerations regarding the fluoridation of public water supplies.For deprived groups in both maturing and matured countries, international and national agencies and dental associations across the world support the safety and effectiveness of water fluoridation. [1]
More than 88% of the state's water systems add fluoride. "Every dollar spent on community water fluoridation saves $38 in dental costs and helps to keep our children in school, learning, instead ...
Kentucky is the only state to require fluoridation in every community water system that serves 1,500 or more people, and as a result, 99.99 percent of residents receive fluoridated water.
Studies have validated fluoride’s benefits at low levels, but newer research shows risks.
Fluoride pollution from various industrial emissions can also contaminate water supplies. In a few areas of the United States, fluoride concentrations in water are much higher than normal, mostly from natural sources. In 1986, EPA established a maximum allowable concentration for fluoride in drinking water of 4 milligrams per liter (mg/L).
The reason most Americans have fluoride in their drinking water stretches back more than a century to a mysterious outbreak scattered across the Midwest and western US.. In the early 1900s ...