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Bad Breath Response to Tongue Scraper and Rinses

Halitosis Clinical Trial

Official title:
Bad Breath Response to Tongue Scraper and Rinses, a Double-blind, Randomized, Parallel Group Clinical Trial.

Clinical Trial Summary

Medical center personnel were screened organoleptically for bad breath by 2 investigators using Rosenberg scale 0-5, and measurement of breath sample in portable gas chromatograph. With a threshold score of 2 or more, or 75parts per billion(ppb) hydrogen sulfide(H2S), subjects invited to enter clinical trial of the mechanical effect of daily tongue scraping with the adjunctive use of 0.12% chlorhexidine gluconate mouthwash or 0.1% stabilized chlorine dioxide mouthwash. Subjects randomly assigned in double-blind trial for one week. The null hypothesis is there will be no difference between the two rinses as adjuncts to tongue scraping.

Clinical Trial Description

Subjects in trial had oral and periodontal exam and scored the Ramfjord teeth(#3, 9, 12, 19, 25, 28) for Plaque Index(PlI), Gingival Index(GI), probing depth (PD), recession. A tongue coating index is scored and sample of coating on dorsum taken for culture of total viable count and percentage of black sulfide-producing colonies on anaerobe agar with lead acetate added. Subjects given hygiene instruction and instruction on use of scraper, then rinse with 20ml assigned mouthwash 30sec. Breath assessed by organoleptic means and mouth air sample concentration of hydrogen sulfide, methyl mercaptan in portable gas chromatograph at 0, 1, 2, and 4 hours. Subjects use scraper and mouthwash twice daily for one week and return for final exam. ;

Study Design

Allocation: Randomized, Endpoint Classification: Bio-equivalence Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00867035
Study type Interventional
Source University of California, San Francisco
Contact
Status Completed
Phase N/A
Start date March 2008
Completion date June 2009
View Details
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