We are updating the design of this site. Learn more.
Show more
ClinicalTrials.gov Menu

A New Portable Monitor for Measuring Odorous Compounds in Oral, Exhaled and Nasal Air

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: June 8, 2010
Last Update Posted: June 8, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Okayama University
The B/B Checker, a new portable device for detecting odorous compounds in oral, exhaled, and nasal air, is now available. As a single unit, this device is capable of assessing several kinds of gases mixed with volatile sulfur compounds (VSCs) in addition to other odorous gasses. The purpose of the present study was to evaluate the effectiveness of the B/B Checker for detecting the malodor level of oral, exhaled, and nasal air.


Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Cross-Sectional

Resource links provided by NLM:

Further study details as provided by Okayama University:

Enrollment: 20
Study Start Date: May 2009
Study Completion Date: April 2010

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

Ages Eligible for Study:   20 Years to 70 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
Subjects were recruited at the Clinic of Preventive Dentistry, Okayama University Hospital.

Inclusion Criteria:

  • Clinical diagnosis of oral malodor

Exclusion Criteria:

  • Smoker
  • Medical disorders
  • Undergoing any antibiotic or other antimicrobial therapy
  Contacts and Locations
No Contacts or Locations Provided
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
ClinicalTrials.gov Identifier: NCT01139073     History of Changes
Other Study ID Numbers: MMorita-BB
First Submitted: June 7, 2010
First Posted: June 8, 2010
Last Update Posted: June 8, 2010
Last Verified: June 2010

Keywords provided by Okayama University:

Additional relevant MeSH terms:
Signs and Symptoms, Digestive
Signs and Symptoms