RT Journal A1 Cox GJ T1 "Dental caries and domestic water supplies" JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD November 4 VO 113 IS 19 SP 1753 OP 1753 DO 10.1001/jama.1939.02800440057025 UL http://dx.doi.org/10.1001/jama.1939.02800440057025 AB To the Editor:—  I was much pleased with and interested in the editorial "Dental Caries and Domestic Water Supplies" (The Journal, September 16, p. 1132). I have had occasion to watch your part in this story of the relation of fluorine to dental conditions.Only recently I have been shown "An Address on Tooth Culture" by Sir James Crichton-Browne in the Lancet of July 2, 1892. On page 7 is a paragraph discussing fluorine and dental caries in which he advises a supply of fluorine for child-bearing women so as to "fortify the teeth of the next generation." An enthusiastic follow-up on Sir James's suggestion at that time might have yielded some human experimental evidence of the causes of mottled enamel, so it is perhaps fortunate that such an application was not then made.In your own columns may be found at least three items on fluorine and its relation