See dentist: To make sure there is not an abscess in a tooth or a gum infection.
Answered 8/24/2016
4.3k views
Probably not: At your age, if it continues to improve and then goes away entirely, i wouldn't really worry. If, however, there is ongoing pain after a week, or there are recurrent such sores, you can get checked out. Of note, canker sores don't "pop" so it sounds more like a "bulla", which is different. Good luck.
Answered 3/31/2014
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