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A 57-year-old female asked:

Hello, i have a crown on my front tooth when i floss on that tooth a lot of times the floss smells. what do you think is the cause of this? i floss, use a tongue scraper and mouthwash everyday.

1 doctor answer3 doctors weighed in
Dr. Theodore Davantzis
Dentistry 42 years experience
Bacteria or food: will cause the floss to smell. Gingival defect? Open margin? Decay? Can't really tell over the internet. It would be best to have a local dentist examine you.
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Last updated Sep 10, 2015

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