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Dental caries and plaque formation from diets containing sucrose or glucose in gnotobiotic rats infected with Streptococcus strain IB-1600

Published online by Cambridge University Press:  24 July 2007

T. H. Grenby ,
Frances M. Paterson  and
R. A. Cawson
T. H. Grenby
Affiliation:
Department of Oral Medicine and Pathology, Guy's Hospital, London SE1 9RT
Frances M. Paterson
Affiliation:
Department of Oral Medicine and Pathology, Guy's Hospital, London SE1 9RT
R. A. Cawson
Affiliation:
Department of Oral Medicine and Pathology, Guy's Hospital, London SE1 9RT
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Abstract

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1. Techniques were devised for the operation of a new small-scale gnotobiotic rat unit.

2. The unit was then used to compare the cariogenicity of sucrose and glucose under carefully controlled conditions in the presence of a single strain of a streptococcus, as gnotobiotic experiments by other workers had given conflicting results.

3. Streptococcus IB-1600 was implanted into thirty-four rats, which were then fed on high-sugar diets under gnotobiotic conditions for 5 or 8 weeks from weaning. The level of caries was significantly higher on the sucrose than on the glucose diet, but there was no significant difference in the extent of soft coronal dental plaque.

Type
General Nutrition
Information
British Journal of Nutrition , Volume 29 , Issue 2 , March 1973 , pp. 221 - 228
Copyright
Copyright © The Nutrition Society 1973

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