Canker sore: Usually heal on its own in about a week or two. If the sores continue to persist or painful, visit your dentist. Depending severity of the sore, dentists prescribe antimicrobial mouth rinses, corticosteroid ointments, or a prescription to reduce the pain. I hope this helps. If you say this is not enough and want more answer then make a virtual appointment at www.healthtap.com/dryetimyan
Answered 2/5/2017
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