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Dental fluorosis is a change in the appearance of the dental enamel that occurs in children whose teeth are forming under the gums. Water fluoridation is the process of adding fluoride to the water supply so the level reaches approximately 0.7 ppm, or 0.7 milligrams of fluoride per liter of water; this is the optimal level for preventing tooth decay . “Low Fluoride” [F] = 0 - 0.3 ppm “Water Fluoridation”[F] = 0.6 - 1.1 ppm “High Fluoride” [F] = 1.5 - 25 ppm. Overview; Leadership and Staff; Core Operating Values; Component Societies; Celebrating 130 Years; CDA Enterprises; CDA Foundation; Dental Health Matters Centers for Disease Control and Prevention (August 2010). Morbidity and Mortality Weekly Report 1999; 48(41):933–940. As of 2012, about 435 million people worldwide received water fluoridated at the recommended level (i.e., about 5.4% of the global population). The CDC has information at https://www.cdc.gov/fluoridation/index.html on standards for and surveillance of current fluoridated water supplies in the United States. ABOUT. Carcinogenicity of fluoride. Why was this determined as the benchmark level? : 56 About 214 … drinking water to 1.0 ppm, a level recommended for optimal dental health in our climate. Achievements in public health, 1900–1999: fluoridation of drinking water to prevent dental caries. What happened during the demonstration phase? Centers for Disease Control and Prevention. Where can people find additional information on fluoridated water? Water fluoridation is the process of adding fluoride to the water supply so the level reaches approximately 0.7 ppm, or 0.7 milligrams of fluoride per liter of water; this is the optimal level for preventing tooth decay (1). The review included data from more than 50 human epidemiologic studies and six animal studies. The Centers for Disease Control and Prevention (CDC) considers fluoridation of water one of the greatest achievements in public health in the 20th century. A further 28 countries have water that is naturally fluoridated, though in many of them the fluoride is above the optimal level. Water fluoridation is the process of adding fluoride to the water supply so the level reaches approximately 0.7 ppm, or 0.7 milligrams of fluoride per liter of water; this is the optimal level for preventing tooth decay (). In a February 1991 Public Health Service (PHS) report, the agency said it found no evidence of an association between fluoride and cancer in humans. from 0.7 to 1.2 ppm. In addition to building up in teeth, ingested fluoride accumulates in bones. Retrieved August 10, 2011, from http://health.gov/environment/ReviewofFluoride. Fluoride is the name given to a group of compounds that are composed of the naturally occurring element fluorine and one or more other elements. The agency’s recommended ratio of fluoride to water, newly calibrated at 0.7 parts per million, results from years of scientifically rigorous analysis of the amount of fluoride people receive from all sources. Public Health Service, Department of Health and Human Services. The information on this page includes details about drinking water quality and safety standards. After examining more than 2.2 million cancer death records and 125,000 cancer case records in counties using fluoridated water, the researchers found no indication of increased cancer risk associated with fluoridated drinking water (6). Fluorides are present naturally in water and soil at varying levels. Blakey K, Feltbower RG, Parslow RC, et al. Our syndication services page shows you how. Review of Fluoride: Benefits and Risks. Want to use this content on your website or other digital platform? What is the optimal level of water fluoridation now? Washington, DC: National Academy Press, 1993. The report, based on a review of more than 50 human epidemiologic (population) studies produced over the past 40 years, concluded that optimal fluoridation of drinking water “does not pose a detectable cancer risk to humans” as evidenced by extensive human epidemiologic data reported to date (5). As with other nutrients, fluoride is safe and effective when used and consumed properly. Water fluoridation - benefits Safe – no identified harmful side effects Effective – delivers proven decay reduction. Complementary & Alternative Medicine (CAM), Coping with Your Feelings During Advanced Cancer, Emotional Support for Young People with Cancer, Young People Facing End-of-Life Care Decisions, Late Effects of Childhood Cancer Treatment, Tech Transfer & Small Business Partnerships, Frederick National Laboratory for Cancer Research, Milestones in Cancer Research and Discovery, Step 1: Application Development & Submission, https://www.cdc.gov/fluoridation/index.html, https://www.epa.gov/ground-water-and-drinking-water, Achievements in public health, 1900–1999: fluoridation of drinking water to prevent dental caries, http://health.gov/environment/ReviewofFluoride, U.S. Department of Health and Human Services. In: Health Effects of Ingested Fluoride. The natural level of fluoride in Wellington’s water is around 0.1 milligrams per litre or parts per million (ppm). Because fluoride naturally accumulates in bone, this method provides a more accurate measure of cumulative fluoride exposure than relying on the memory of study participants or municipal water treatment records. Many more recent studies have supported this finding (1). Kim FM, Hayes C, Williams PL, et al. Committee to Coordinate Environmental Health and Related Programs, Ad Hoc Subcommittee on Fluoride (February 1991). In the case of permitted digital reproduction, please credit the National Cancer Institute as the source and link to the original NCI product using the original product's title; e.g., “Fluoridated Water was originally published by the National Cancer Institute.”. When was the demonstration phase? Bucher JR, Hejtmancik MR, Toft JD, et al. The Ministry of Health recommends that water suppliers should adjust the amount of fluoride in drinking water to between 0.7 and 1.0 ppm, as this is considered the optimal level for good dental health. National Research Council, Subcommittee on Health Effects of Ingested Fluoride. More recent population-based studies using cancer registry data found no evidence of an association between fluoride in drinking water and the risk of osteosarcoma or Ewing sarcoma (8, 9).

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