Water fluoridation
Water fluoridation
Water fluoridation (/ˌwɔːtər ˌflʊəraɪˈdeɪʃən/) is the controlled addition of fluoride to a public water supply to reduce tooth decay. The term "fluoridation" is derived from "fluoride", which in turn comes from "fluorine", one of the basic elements in nature.
History
Water fluoridation began in the United States in the 1940s as a means to improve overall dental health and reduce cavities among the general population. The practice soon spread to other countries as a major strategy for public health.
Process
In the process of water fluoridation, fluoride is added to the water supply in concentrations generally ranging from 0.5 to 1.5 mg/L (milligrams per liter). The optimal level is usually around 1.0 mg/L, which is enough to be effective against tooth decay but not enough to cause fluorosis, a condition that can stain and damage teeth.
Benefits
The primary benefit of water fluoridation is the prevention of tooth decay. Fluoride helps to strengthen the tooth enamel, making it more resistant to decay. It is particularly beneficial for children, as it can help protect their teeth as they grow.
Controversies
Despite its benefits, water fluoridation has been a subject of controversy. Some people argue that it may have potential health risks, such as fluorosis or other health problems. Others argue that it infringes on individual rights, as people do not have a choice whether to consume fluoridated water.
Related terms
External links
- Medical encyclopedia article on Water fluoridation
- Wikipedia's article - Water fluoridation
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