Abstract
RECENT investigations have shown that the fluoride content of Greek teeth from the cities of Athens and Salonika was considerably high1,2. This may explain, at least in part, the low prevalence of dental caries observed in Greece3. However, the source of fluoride intake is not known. Water alone could not have been responsible, since the fluoride content of the water supplies of Athens and Salonika has been reported to be low: 0.04 p.p.m. and 0.5 p.p.m., respectively1,2. For an explanation, the opinion was advanced that the diet of the people may include some common foods, produced and consumed in Greece, which are rich in fluoride1. It has been proposed that one such food item, which is consumed in Greece apparently in considerable amounts, is salt produced by solar evaporation of sea water4. The fluoride content of sea salt has been reported to be about 40 p.p.m.5.
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HADJIMARKOS, D. Dental Caries and the Fluoride Content of Olive Oil. Nature 201, 1136 (1964). https://doi.org/10.1038/2011136a0
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DOI: https://doi.org/10.1038/2011136a0
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