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A member asked:
Why would you biopsy a canker sore? been longer then 2 weeks saw dentist just gave me some paste to put on it, on my tonsil crazy painful
A doctor has provided 1 answer
See an Oral Surgeon: A sore more than 10 days old should be examined and possibly biopsied.
Answered 12/3/2015
1.9k views
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