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J Dent Res 17(6): 465-469, 1938
© 1938 International and American Associations for Dental Research
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METHOD FOR DETERMINING THE SPECIFIC GRAVITY OF DENTIN AND ITS APPLICATION TO PERMANENT AND DECIDUOUS TEETH

JULIAN D. BOYD M.D.1, CHARLES L. DRAIN D.D.S.1, and MARTIN L. DEAKINS D.D.S.1

1 Department of Pediatrics, College of Medicine, and The Department of Pediodontia, College of Dentistry, State University of Iowa, Iowa City

The described method for determining the specific gravity of dentin has certain advantages, namely: 1. It is applicable to a large number of teeth. 2. There is no sacrifice of the tooth slab. 3. The values obtained by it agree with recent, very accurate methods. 4. It can be used for coronal dentin in deciduous teeth.

Values were obtained for the density of 191 permanent, non-carious teeth and 51 deciduous non-carious teeth with averages of 2.00 and 1.91, respectively.






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