Probably not: If it is not improving or gone in a week i would see a dentist for an evaluation...
Answered 3/18/2015
4.5k views
Mouth ulcer: Depending on location, it could be an ulcer or a cold sore. Both are caused by viral infections, and could be a by-product of your colds . In either case, they should heal in 7-10 days. If they don't, or if you need pain relief, make an appt to see your dentist.
Answered 2/7/2014
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