Word: trendley
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Dates: during 1940-1949
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Dentist Henry Trendley Dean of the Public Health Service set to work examining the teeth of 15,000 children in the Middle West. Last year he issued a report of his findings that shocked every dentist in the U. S. left Oakley parents down in the mouth. Said he: "The amount of caries [decay] is less in mottled enamel areas than in normal areas. ..." Although fluorine makes ugly smiles, it preserves teeth "independently of mottled enamel." To the known factors causing tooth decay (too many starches and sweets, not enough vitamins, an abundance of mouth bacteria) he suggested that...
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