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A member asked:
What can cause mouth blisters?
A doctor has provided 1 answer
Many causes: There are many causes of mouth blisters such as cold sores caused by herpes simplex i virus:canker sore or aphthous ulcer which is caused by stress, hormonal changes, and food allergies; an ulcer caused by a an ill fitting denture or a broken tooth rubbing on exposed tissues and various other causes.
Answered 8/6/2012
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