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  • Title: Use of 0.1% chlorine dioxide to inhibit the formation of morning volatile sulphur compounds (VSC).
    Author: Peruzzo DC, Jandiroba PF, Nogueira Filho Gda R.
    Journal: Braz Oral Res; 2007; 21(1):70-4. PubMed ID: 17384858.
    Abstract:
    The aim of this study was to evaluate the VSC-inhibiting effect of a commercially available mouthrinse (0.1% chlorine dioxide) when compared to its placebo. A 2-step double blind, crossover, randomised study was conducted with 14 dental students with healthy periodontium, who refrained from any mechanical plaque and tongue coating control during two 4-day experimental periods. The subjects were instructed to rinse 3 times daily with the assigned product during each period. A 7-day washout interval was established. VSCs levels were measured by a sulphide monitor at the beginning (baseline) and at the end of each experimental period. Statistical analyses were performed using Wilcoxon's and Mann-Whitney's non-parametric tests. At baseline, intragroup analysis revealed that VSCs levels did not differ between groups (p > 0.05); at day 5, the use of the chlorine dioxide mouthrinse did not change the baseline VSCs scores in the control group (p > 0.05), while a 2-fold increase was observed with the use of the placebo mouthrinse (p < 0.05). Intergroup analysis showed a significant difference between the VSCs levels of the test and control groups (40.2 +/- 30.72 and 82.3 +/- 75.63 ppb, p < 0.001) at day 5. Within the limits of this study, the findings suggest that a mouthrinse containing chlorine dioxide can maintain VSCs at lower levels in the morning breath.
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