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A member asked:
Every time i accidentally knock my lips with my toothbrush (ex.) i almost always get a cancer sore! why does this happen?
3 doctors weighed in across 2 answers
Many causes: Sometimes a traumatic event can cause these apthous ulcers.
Answered 2/5/2013
5.3k views
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Traumatic ulcer: Re-evaluate the way you are brushing. Discuss and show your dentist your motion and this can be corrected!
Answered 2/5/2013
5.3k views
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