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The effect of uncooked and roll-dried maize starch, alone and mixed in equal quantity with sucrose, on dental caries in the albino rat

Published online by Cambridge University Press:  09 March 2007

R. M. Green  and
R. L. Hartles
R. M. Green
Affiliation:
Department of Dental Sciences, School of Dental Surgery, University of Liverpool
R. L. Hartles
Affiliation:
Department of Dental Sciences, School of Dental Surgery, University of Liverpool
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Abstract

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1. One hundred and ten weanling rats were distributed between five dietary groups in randomized blocks. Each block was constructed from within a litter and each member of the block received a different diet.

2. The main features of the diets were: group I (twenty-six rats) 72% sucrose, group 2 (sixteen rats) 72% uncooked maize starch, group 3 (sixteen rats) 72% roll-dried maize starch, group 4 (twenty-six rats) 36% sucrose and 36% uncooked starch, group 5 (twenty-six rats) 36% sucrose and 36% roll-dried starch.

3. The animals were killed after 20 days on the diets and assessed for dental caries. The rats of group 1 (sucrose) had significantly more caries than all other groups, the rats of group 2 (uncooked starch) had significantly less caries than any of the other groups. Roll-dried starch (group 3) produced significantly more caries than uncooked starch (group 2). The mixture of uncooked starch and sucrose (group 4) was significantly more cariogenic than the mixture of roll-dried starch and sucrose (group 5).

Type
Research Article
Information
British Journal of Nutrition , Volume 21 , Issue 1 , February 1967 , pp. 225 - 230
Copyright
Copyright © The Nutrition Society 1967

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