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To the Editor:—
In the reply to Dr. G. P. Joseph in the October 11 issue of The Journal, page 397, it is stated that "the fluorine content of the domestic water used by the mother during gestation is immaterial." I would like to point out that it may be very material.From dental surveys that I conducted in different parts of South Africa it was found that the deciduous teeth of children whose mothers drank water containing up to 10 parts per million of fluorine during gestation and lactation were remarkably free from caries and were not mottled. From my experimental investigations with albino rats, I found that in rats whose mothers were given 100 parts per million of fluorine in the drinking water during gestation and lactation there developed considerably less caries than in rats whose mothers did not receive fluorine. These young rats were placed after weaning
Ockerse T. EFFECT OF FLUORIDES IN DRINKING WATER ON TEETH. JAMA. 1947;135(17):1167. doi:10.1001/jama.1947.02890170045020
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