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  • Title: Day-long reduction of oral malodor by a palatal mucoadhesive tablet containing herbal formulation.
    Author: Sterer N, Ovadia O, Weiss EI, Perez Davidi M.
    Journal: J Breath Res; 2013 Jun; 7(2):026004. PubMed ID: 23519054.
    Abstract:
    Previous research has shown the oral malodor reducing abilities of an herbal formulation delivered using a palatal mucoadhesive tablet. The aim of the present study was to test the day-long effect of this preventive treatment on oral malodor reduction as compared with placebo and commercial mouthwash. Forty young healthy subjects (mean age, 25.8 ± 1.8 yrs, 19 females) presenting with oral malodor were randomly assigned to use one of the three tested products: herbal mucoadhesive tablets, placebo mucoadhesive tablets and a commercial mouthwash. Following baseline measurements, subjects were instructed to use the products in the evening of the same day and the following morning. Baseline and follow-up measurements were conducted in the afternoon and included odor judge scores (two judges), volatile sulfide compounds (VSC) levels using a sulfide monitor (Halimeter™) and saliva sample for β-galactosidase activity assay. The herbal mucoadhesive tablet caused a significant reduction in malodor scores (p = 0.004), VSC levels (p = 0.002) and β-galactosidase assay (p = 0.02) as compared to the placebo, and reduced malodor level to below the clinical threshold (mean odor judge score of 1.7). These results demonstrate the efficacy of the herbal formulation delivered using a mucoadhesive tablet for day-long prevention of oral malodor.
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