muffinbutt answered Friday March 31 2006, 12:34 pm: A canker sore is a small, painful, extremely annoying sore in your mouth. They really hurt, especially if they get under your lower lip, but they go away after a week or so. I believe they're caused by some tiny puncture -- perhaps a shard of potato chip that jabbed?
Attention: NOTHING on this site may be reproduced in any fashion whatsoever without explicit consent (in writing) of the owner of said material, unless otherwise stated on the page where the content originated. Search engines are free to index and cache our content. Users who post their account names or personal information in their questions have no expectation of privacy beyond that point for anything they disclose. Questions are otherwise considered anonymous to the general public.