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J Dent Res 46(1): 79-81, 1967
© 1967 International and American Associations for Dental Research
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X-Ray Diffraction Patterns of Rat Incisor Tooth Enamel with a Low or High Strontium Content

ARTHUR R. JOHNSON 1

1 School of Dentistry, University of Minnesota, Minneapolis, Minnesota

The influence of a high strontium content on the crystalline structure of developing rat incisor enamel has been determined by the X-ray diffraction technic. Results suggest that strontium does substitute isomorphously for calcium in apatite.

Additional arcs in the high strontium enamel patterns that do not correspond to known apatitic reflections were found. The unique lines suggest the presence of Sr6H3 (PO4)5·2H2O, which has not been previously reported as occurring in samples of biological origin.






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