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A member asked:

What are the causes of mouth sores or canker sores?

A doctor has provided 1 answer

Various causes...: Food allergies, traumas due to injury borh physical, thermal or chemical. A very common disease is auto immune called lichen planus easily treated after a good diagnosis...Other diseases can cause these problems and should be ruled out... Chuck.

Answered 2/18/2019

5.2k views

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