Oral Hygiene Procedures on Reduction of Oral Malodor

Effects of Various Oral Hygiene Procedures on the Reduction of Oral Malodor in Periodontally Healthy Patients

The purpose of the study is to evaluate the effect of various oral hygiene procedures on reduction of oral malodor.

Thirty volunteers who matched with including criteria were divided randomly into two groups. Both groups were instructed to brush their teeth with a scrubbing method for the first one week. Then, each group received the different additional oral malodor reduction regimen- in addition to tooth brushing tongue cleaning in one group and chlorine dioxide (ClO2) mouthwash in another group for three consecutive weeks. After that, all the participants were instructed to practice all the three oral hygiene procedures (tooth brushing, mouth washing, tongue cleaning) the last one week. Total volatile sulfur compounds (VSCs) measured by breathtron, tongue coating, plaque score and bleeding on probing (BOP) were outcomes of this study.

Drug: group 1: drug: chlorine dioxide 12ml chlorine dioxide (ClO2) mouthwash two times per day, for three consecutive weeks

First, each group practiced tooth brushing only for one week. After that each group was requested to do the following procedures. group 1 - additional use of 12ml chlorine dioxide (ClO2) mouthwash two times per day, for three consecutive weeks besides tooth brushing. At last, each group practiced all three methods of tooth brushing, tongue cleaning, mouth washing.

First, each group practiced tooth brushing only for one week. After that each group was requested to do the following procedures. group 2 - additional practice of tongue cleaning by a small tooth brush two times per day, for three consecutive weeks besides tooth brushing. At last, each group practiced all three methods of tooth brushing, tongue cleaning, mouth washing.

Inclusion Criteria: Clinical diagnosis of oral malodor At least 20 functional teeth No systemic diseases No severe dental diseases Exclusion Criteria: Habit of smoking and betel quid chewing Oral malodor by food and other craniofacial abnormalities Current use of any kind of mouthwash

Aung EE, Ueno M, Zaitsu T, Furukawa S, Kawaguchi Y. Effectiveness of three oral hygiene regimens on oral malodor reduction: a randomized clinical trial. Trials. 2015 Jan 27;16:31. doi: 10.1186/s13063-015-0549-9.