For any sore lasting over a week, your dentist should examine any mouth sore that lasts a week or longer.
Canker sores usually heal on their own after a week or two. They are not contagious, but can return frequently and may be only one canker sore or several.
For any sore lasting over a week, your dentist should examine any
mouth sore that lasts a week or longer. Canker sores usually
heal on their own after a week or two. They are not
contagious, but can return frequently and may be only one...
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