Flouridation Flouridation In 1931 at the University of Arizona Agricultural Experiment stake M. C. Smith, E. M. Lantz, and H. V. Smith discovered that when given drinking water supplied with farad, rats would demoralize down tooth defects. Further examination by H. T. Dean and E. Elove of the linked States human beings Health Service confirmed this report, and stated that what is cognise as mottled tooth. Mottled tooth is a condition in which etiolate spots develop on the back teeth. stepwise the clean spots get darker and darker until the tooth is eroded completely. This was believed to be caused by farad in drinking water (Behrman pg. 181).
A vigorous uproar was heard when this was released and people fatalityed all fluorine come on of their water. But later tests concluded that communities with superior levels of fluorine in their drinking water suffered less alveolar consonant cavities. Further testing concluded that at least 1.0 separate per million of fluorine could help to prevent cavities, but ...If you want to get a full essay, order it on our website:
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