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Research Journal of Medicinal Plants
Year: 2009  |  Volume: 3  |  Issue: 1  |  Page No.: 1 - 8

Dental Caries Inhibition in Albino Rats by Breynia nivosus Extract

E.S. Amadi, C.A. Oyeka, I. Okoli, J.I. Ihedioha and I.R. Iroha    

Abstract: The study investigated the caries inductive capacities of different sucrose concentrations and the anti-caries activity of Breynia nivosus extract in experimental albino rats. Different concentrations (70, 50, 30 and 10%) of sucrose-in-diet, were respectively fed to caries-free albino rats harboring Streptococcus rattus in their oral cavity, to determine their caries induction effect. Subsequently, 200 mg mL-1 of Breynia nivosus extract were intra-orally administered to the teeth surfaces of caries-free and non caries free rats to ascertain its possible caries curative and/or preventive effects. Direct observation, probing, microbial count and radiography were used to monitor the caries status of the rats. There were significant increase (p<0.05) in the microbial count of dental plaque of rat groups fed with 70, 50 and 30% sucrose-in-diet. However, milky white spots were only observed among the rat groups fed with 70 and 50% sucrose-in-diet at the 6th week of observation. The results of this investigation suggests that Breynia nivosus extract possesses some degree of in vivo caries preventive and curative effect on the teeth surfaces of albino rats fed simultaneously with 70% sucrose-in-diet.

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