Tests and diagnosis

By Mayo Clinic Staff

Your dentist will likely smell both the breath from your mouth and the breath from your nose and rate the odor on a scale. Because the back of the tongue is most often the source of the smell, your dentist may also scrape it and rate its odor.

There are sophisticated detectors that can identify the chemicals responsible for bad breath, but these aren't always available.

Dec. 18, 2012

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