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Monday, January 23, 2012

Fluoridated toothpaste fast falling out of favour

FLUORIDE is a naturally occurring element that prevents tooth decay when ingested systemically or applied topically. Researchers believe that there are several mechanisms by which fluoride achieves its anti-carious effect. It reduces the solubility of enamel in acid by converting hydroxyapatite into less soluble fluoroapatie; it may exert an influence directly on dental plaque, reducing the ability of plaque organisms to produce acid; and it promotes the remineralization of tooth enamel in areas that have been decalcified by acids.

Most likely, fluoride works by a combination of these effects. But the remineralization effect of fluoride is of prime importance, because it results in a reversal of the early caries process, and gives rise to enamel more resistant to decay.

In 1914, fluoride was added to toothpaste, but became more widespread when it was recommended by the American Dental Association (ADA) in the 1950s. The Centers for Disease Control and Prevention has proclaimed community water fluoridation as one of the 10 great public health achievements of the 20th Century. Most States in the USA have fluoride in their drinking water. However, relatively recently, there has been some reconsideration among the scientific community about this material.


For full article: http://www.guyanachronicleonline.com/site/index.php?option=com_content&view=article&id=38142:fluoridated-toothpaste-fast-falling-out-of-favour-&catid=20:dentist-speaks&Itemid=19


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