When was fluoride first added to drinking water

Fluoride is one of the most plentiful elements on Earth, and occurs naturally in both ground water and surface waters in Michigan. When fluoride is present in ... Fluoride, either applied topically to erupted teeth, or ingested orally (called systemic fluoride) during tooth development, helps to prevent tooth decay. May 18, 2020 ... Too much or too little of a good thing? ... Fluoride occurs commonly in groundwater used for drinking, but typically at concentrations less than ... Nov 18, 2022 ... This is a review of the possible link between water fluoridation and cancer. Other possible health effects of fluoridation (positive or negative) are not ... Sep 26, 2024 ... U.S. District Court Judge Edward Chen specified in his Sept. 24 ruling that although his finding does not “conclude with certainty” that ... Municipal community water systems in Minnesota must adjust fluoride in their water to maintain a fluoride concentration between 0.5 and 0.9 milligrams per liter ... Dec 17, 2024 ... Many public health officials say that years of research show that low levels of fluoride are safe and help prevent dental cavities, particularly in children. Related Stories ... Usually, these compounds contain covalent bonds that bind the fluorine and hence they are called fluorides. Fluorides are different from other ... Fluoride varnish is safe and used by dentists and doctors all over the world to help prevent tooth decay in children. Only a small amount is used, and hardly ... Apr 14, 2025 ... "It plays a crucial role in strengthening tooth enamel and preventing cavities, which is why it's commonly added to public water supplies and ...