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March 18, 1944


JAMA. 1944;124(12):795. doi:10.1001/jama.1944.02850120053021

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To the Editor:—  Anent your stimulating editorial on fluoride and dental caries, together with the correspondence which it elicited in your issue of February 12, it seems that a geographic survey of disease in this country is much in order. For instance, are there other localities like Deaf Smith County, Texas, where dental caries is far below the average? And, conversely, in what districts do people have the poorest teeth? Even in Maryland, examination of army selectees has shown that those who come from the Eastern Shore have far better teeth than those who come from the western mountainous counties. And why stop with a consideration of teeth? There is a small region about 20 miles south of Rochester, N. Y., where the incidence of renal stones is high. A geologist called my attention to this condition and mentioned parenthetically that there was much gypsum in that area. The other

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