Table 47——-Sr** IN HUMAN TEETH
Cain ash, %
Sr"/y Ca, puc
Specimens Analyzed at HASL (Calcified 3-5 years ago, collected by Dr. L. Makta, New York)
29.5
22.3
27.4
Reference No.
0.79 + 0.12
0.34 + 0.10
0.48 + 0.10
Description
Ca in ash, %
Sr’"/g Ca, pyc
Specimens Analyzed at the University of Chicago (Collected during
the summer of 1954 and furnished by Dr. S. Warren, Boston, Mass.)
Group I
Group I
Group III
Group IV
Primary dentition both sound and carious
Both sound and carious teeth from children
under 15 years
Carious teeth from children under 15 years
Both sound and carious teeth from persons
Group V
over 15 years
Carious teeth from persons over 15 years
37.8
38.0
0.038 + 0.010
=0.12
36.8
36.9
0.046
30.046
36.8
=0.006
Specimens from England (Furnished
by Dr. S. Warren, Boston, Mass.)
CL-159
Adult ages 18 to 35 years, London, Apr. and
May 1950
35.6
0.014 + 6,010
CL-400
CL-594
CL-665-P
Deciduous, Bristol, Oct. 1954 to Jan. 1955
Deciduous, Bristol, Jan. to Apr. 1955
Permanent teeth from persons over 15 years,
37.9
38.0
38.7
=0.10
50.012
0.026 + 0.011
Bristol, Jan. to Apr. 1955
100