Journal
JOURNAL OF BREATH RESEARCH
Volume 7, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1752-7155/7/2/026004
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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 (TM)) and saliva sample for beta-galactosidase activity assay. The herbal mucoadhesive tablet caused a significant reduction in malodor scores (p = 0.004), VSC levels (p = 0.002) and beta-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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