A member asked:

I have had a small white canker inside my mouth right below me teeth ont he inside of my lower lip. i have gargled salt water but it wont go away?

A doctor has provided 1 answer
Dr. Gary Sandler answered

Specializes in Dentistry

Canker sores: If it is truly a canker sore (aphthous ulcer) it can take up to 14 days to completely resolve. If it lasts longer, you have other symptoms, or you want to make sure that it is actually a canker sore, see your dentist for a one on one clinical evaluation. Regardless, all lesions lasting longer than 2 weeks need to be evaluated for more serious conditions.

Answered 12/27/2019

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