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J Dent Res 15(6): 403-406, 1935
© 1935 International and American Associations for Dental Research
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SPECTRUM ANALYSIS OF DENTAL TISSUES FOR "TRACE" ELEMENTS

W. F. DREA D.M.D.1

1 Colorado Foundation for Research in Tuberculosis, Colorado College, Colorado Springs, Colo.

Dentine and enamel from each of eighteen human teeth from persons residing in three localities, investigated by means of spectrum analysis for "trace" elements, contained in all specimens traces of Al, Ba, Cu, Fe, Pb, Si, Ag, Sr, Ti, V, and Zn. Ca, Mg, P, and Na occurred in all in larger proportions.

F was present in dentine of all teeth; also in enamel of teeth from a locality where the drinking water contained 2 p.p.m. of F. F was absent from enamel of teeth from localities where the drinking water contained little or no F.

Cr, Li, Mn, and K were detected in some of the teeth from each of the three localities.






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