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
Dr. Robert Douglas answered

Specializes in Orthodontics

See an Oral Surgeon: A sore more than 10 days old should be examined and possibly biopsied.

Answered 12/3/2015

1.9k views

Thank

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