Flouridation Flouridation In 1931 at the University of Arizona Agricultural Experiment mail M. C. Smith, E. M. Lantz, and H. V. Smith discovered that when given drinking water supplied with farad, rats would get down tooth defects. Further examination by H. T. Dean and E. Elove of the United States human beings Health Service confirmed this report, and stated that what is known as mottled tooth. Mottled tooth is a condition in which etiolate spots develop on the back teeth. Gradually the clean spots get darker and darker until the tooth is eroded completely. This was believed to be caused by fluorine in drinking water (Behrman pg. 181).
A strong uproar was heard when this was released and people wanted all fluorine come on of their water. But later tests concluded that communities with high levels of fluorine in their drinking water suffered less dental cavities. Further testing concluded that at least 1.0 parts 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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