Yes: These things heal from the inside out, and usually take up to two weeks to go away completely.
Answered 9/29/2016
5.1k views
Possibly: See your dentist for diagnosis and treatment options. It may not be a simple canker sore or it may be secondarily infected.
Answered 5/9/2013
5.1k views
Probably but....: It's most likely still in the healing phase and within normal limits. The only way to know for sure is to see a dentist who can determine that.
Answered 5/9/2013
5.1k views
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