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Year : 2010  |  Volume : 8  |  Issue : 15  |  Page : 9-13

Salivary fluoride levels after brushing with dentifrices containing different concentration of fluoride

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Background: Fluoride dentifrices are well accepted for their effectiveness in caries prevention. Concerns over the risk of fluorosis in children due to the ingestion of fluoride in toothpaste have led to the introduction of kid toothpaste with low fluoride concentration. Objectives: (i) To determine the salivary fluoride levels after brushing with dentifrices containing 458 ppm and 1000 ppm of fluoride. (ii) To compare salivary fluoride levels of two dentifrices at different intervals of time. Methodology: Twenty children in the age group of 5-6 years participated in the study. The individuals were randomly selected and divided into two groups using either 458 ppm or 1000-ppm fluoride dentifrice. On the day of study, whole saliva samples were collected prior to brushing, immediately after brushing and at subsequent interval after brushing. Results: Data collected was evaluated using unpaired t-test and ANOVA. Baseline salivary fluoride levels of children in both the group were not statistically significant, however salivary fluoride levels following use of 458 ppm fluoride dentifrice was significantly lower than 1000 ppm dentifrice, but the levels were above the baseline values even after one hour. Conclusion: There is considerable salivary fluoride retention after brushing with fluoride dentifrices. The retention of fluoride in saliva at a higher level even with low fluoride dentifrices may prove equally cariostatic as of high concentration dentifrice.

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