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  • Title: Effect of chewing gums on the production of volatile sulfur compounds (VSC) in vivo.
    Author: Rösing CK, Gomes SC, Bassani DG, Oppermann RV.
    Journal: Acta Odontol Latinoam; 2009; 22(1):11-4. PubMed ID: 19601490.
    Abstract:
    The aim of the present study was to evaluate the effect of two chewing gums on the production of volatile sulfur-containing compounds (VSC) in vivo. Fourteen periodontally healthy participants (20-35 years old) were included in the test panel. Test gum 1 (TG1) contained sucrose and Test gum 2 (TG2) contained xylitol and zinc citrate. Two series of tests were conducted with a double-blind cross-over design. Following an overnight refrain from oral hygiene, VSC was measured before and at 5, 15, 30, 45 and 60 minutes of chewing the test gums. In the second series, VSC production was monitored prior to and up to 30 minutes after a rinse with cysteine 6 mM alone or after a rinse followed by chewing the test gums. For the first test, the results were analyzed by repeated measurements ANOVA for intra-group and paired sample t test for intergroup comparisons. In the second series, percent reduction of VSC was compared by Friedman and Wilcoxon tests (p < .05). The test gums did not differ in terms of VSC production, with values ranging from 146 ppb after 5 minutes to 86 ppb after 60 minutes. Similar reductions in VSC production following cysteine were observed for both test gums, with the largest reductions (71% to 52%) observed after 5 and 15 minutes. It can be concluded that VSC production is diminished after chewing gum and that the use of chewing gums reduces temporarily the VSC production enhanced by cysteine rinses.
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