Abstract

Previous investigations showed that a high-molecular-weight, nondialyzable material (NDM) from cranberries inhibits the adhesion of a number of bacterial species and prevents the coaggregation of many oral bacterial pairs. In the present study, the effect of mouthrinse containing high-molecular-weight component of cranberry was evaluated on colonization of Streptococcus mutans in children and compared it with a control mouthrinse without high-molecular-weight component on Streptococcus mutans counts. A high-molecular-weight NDM was isolated from cranberry juice concentrate after the dialysis of the cranberry concentrate; followed by lyophilization. A mouthwash was prepared especially for the study having NDM in the concentration of 3 mg/ml. Following 4 weeks of daily usage of cranberry-containing mouthwash by the children of an experimental group (n = 20), the Streptococcus mutans counts in plaque and saliva were compared with that in control group using placebo mouthwash (n = 20) with the help of Dentocult SM strips. There was a highlysignificant reduction in Streptococcus mutans counts in saliva and plaque of children using mouthwash containing cranberry NDM (P < 0.05) compared to control. The data suggest that the high-molecular-weight cranberry extract in mouthwash has a significant potential in reducing the Streptococcus counts in the oral environment.

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