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J Dent Res 16(5): 431-441, 1937
© 1937 International and American Associations for Dental Research
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THE RELATION BETWEEN DIET AND CARIES IN THE SOUTH AFRICAN BANTU

T. W. B. OSBORN M. Sc. (SA.), D. Phil. (OXON.)1 and J. N. NORISKIN L. D. S. (LOND.)1

1 Department of Physiology, University of the Witwatersrand, Johannesburg

1. The distribution of caries among the Bantu in different areas and of different tribes in Southern Africa is recorded. 2. In 609 cases from the Transkei area the incidence of caries is correlated with different items in the diet. 3. With the possible exception of sweet potatoes, none of the items in the traditional native diet shows a correlation, either positive or negative, with an increased percentage of carious cases. 4. Certain conclusions from a previous paper are confirmed, viz. that there is a greater incidence of caries in those natives who have taken to eating European foods. 5. The chemicoparasitic theory may serve, with certain modifications and extensions to explain this. It is suggested that one or more of the following foods cause the increased incidence of caries among those who eat them regularly: a. machine ground mealie meal, b. white bread, c. refined sugar or foods containing it. 6. If either white bread or foods containing sugar or both are real causes, an explanation of how they produce their effect is tentatively advanced. It is suggested that the carbohydrates of sugar cane and/or wheat are accompanied, in the natural or crude state, by a "protective agent"; and that refined sugar and/or refined wheat flour cause decay as a result of removal of this "protective agent" in the process of refining.




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N. H. Rowe, R. H. Anderson, and L. A. Wanninger
Effects of Ready-to-Eat Breakfast Cereals on Dental Caries Experience in Adolescent Children: A Three-Year Study
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G. N. Jenkins
Enamel Protective Factors in Food
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