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Clinical and Microbiological Effects of a Mouthwash Containing Chlorine Dioxide

Halitosis Clinical Trial

Official title:
The Clinical Effects of a Mouthwash Containing Chlorine Dioxide on Oral Malodor and Salivary Periodontal and Malodorous Bacteria Using for 7days

Clinical Trial Summary

Previous research has shown the oxidizing properties and microbiological efficacies of chlorine dioxide (ClO2). However, no clinical studies have investigated its microbiological efficacies on periodontal and malodorous bacteria. The aim of this study was to assess the inhibitory effects of a mouthwash containing ClO2 on morning oral malodor and on salivary periodontal and malodorous bacteria using for 7 days.

Clinical Trial Description

Background: Previous research has shown the oxidizing properties and microbiological efficacies of chlorine dioxide (ClO2). Its clinical efficacies on oral malodor have been evaluated and reported, however, no clinical studies have investigated its microbiological efficacies on periodontal and malodorous bacteria. The aim of this study was to assess the inhibitory effects of a mouthwash containing ClO2 on morning oral malodor and on salivary periodontal and malodorous bacteria using for 7 days.

Methods: A randomized, double blind, crossover, placebo-controlled clinical trial was conducted among 15 healthy male volunteers, who were divided into 2 groups. In the first test phase, the group 1 subjects (N = 8) were instructed to rinse with the experimental mouthwash containing ClO2 twice per day for 7 days, and those in group 2 (N = 7) to rinse with the control (placebo) mouthwash without ClO2. In the second test, phase after a one week washout period, each group had used the opposite mouthwash for 7 days. At baseline and after 7 days, oral malodor was evaluated with OM, and concentrations of hydrogen sulfide (H2S), methyl mercaptan (CH3SH) and dimethyl sulfide ((CH3)2S), the main VSCs of human oral malodor, were evaluated with GC. Clinical outcome variables included plaque and gingival indices, and the Winkel Tongue Coating Index(WTCI). The samples of saliva were microbiologically investigated.

Outcome variables were compared by t-test and Mann-Whitney test. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00748943
Study type Interventional
Source Tokyo Medical and Dental University
Contact
Status Completed
Phase Phase 1
Start date March 2007
Completion date June 2007
View Details
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