How does a dentist test for bad breath?
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Dr. De Vizio of Colgate answered:Your dentist will smell your breath from your mouth and nose to determine how strong it is. Your tongue may also be scraped to with a plastic tool to see if that's the source of problem.
Your dentist will smell your breath from your mouth and nose to determine how strong it is. Your tongue may also be scraped to with a plastic tool to see if that's the source of problem. More

