Abstract Title:

The effects of selected dietary bioflavonoid supplementation on dental caries in young rats fed a high-sucrose diet.

Abstract Source:

J Med Food. 2007 Dec;10(4):694-701. PMID: 18158843

Abstract Author(s):

Nelson Wood


Full Citation: "Recent evidence suggests that certain bioflavonoids reduce dental caries and cariogenic bacteria incidence. The present study evaluates two separate, but related, dietary trials -- trial 1, 0.09%, 0.18%, 0.36%, and 0.72% dietary naringenin (NAR) supplementation; and trial 2, 0.57% dietary rutin (R), quercetin (Q), and naringin (N) supplementation-on dental caries formation in 40 different male albino rats, at the expense of dextrose, for periods of 42 days. All rats were fed 40% sucrose. In dietary trial 1, rats were evaluated for dental caries, dental plaque accumulation, and saliva flow rates using oneway analysis of variance, post hoc Tukey's test, Kruskal-Wallis test, and Spearman's correlations. In dietary trial 2, rats were evaluated for occlusal dental caries only using a Kruskal-Wallis H test and analysis of variance. A 5% level of statistical significance was adopted throughout. In dietary trial 1, NAR showed a statistically significant effect on dental caries, plaque, and saliva flow rate reduction compared with the control group (P < .05-.01). An inverse dose-dependent relationship was established among the NAR experimental groups and control group. Dietary NAR supplementation significantly reduced dental caries formation, possibly because of reduced dental plaque accumulation. In dietary trial 2, statistically significant reductions in occlusal caries were observed for R, Q, and N in the maxillary molars and for Q and N in the mandibular molars compared with the control group (P < .05). Significant associations were observed among the experimental groups and maxillary (P < .05) and mandibular (P < .01) occlusal dental caries. Hence, selected bioflavonoids may show promise as an alternative means of reducing dental caries."

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