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J Dent Res 38(5): 1038-1043, 1959
© 1959 International and American Associations for Dental Research
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THE EFFECT OF CHRONIC VITAMIN A DEFICIENCY ON DENTAL CARIES IN THE SYRIAN HAMSTER

JOHN J. SALLEY 1, WILLIAM F. BRYSON 1, and J. ROBERT ESHLEMAN 1

1 Department of Dental Research, Medical College of Virginia, School of Dentistry, Richmond, Va.

A total of 47 weanling hamsters was divided into two groups. Both groups were fed a synthetic diet containing all nutritional requirements except vitamin A. The control group received 250 I.U. of vitamin A weekly and the deficient group was given 5 I.U. of vitamin A whenever necessary to maintain life. At autopsy, the jaws were removed and carious lesions scored by a volumetric method. Results showed that the deficient animals had over three times as much tooth structure destroyed as the controls. Reduced salivary flow due to the effects of vitamin A deficiency on major and minor salivary glands probably accounted for increased susceptibility to caries.

Submitted on April 24, 1959






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