aphthous ulcers, they usually have a white or yellow center surrounded by a ring of painful inflammation. It’s difficult to eat, drink, or even talk when you have an outbreak.
Fortunately, they don’t last long and usually go away on their own, and they aren’t contagious.Did you know that you can get three different types of canker sores?
They are graded by how big they are and how long they last. Here are the types and characteristics.Some of these mouth sores are larger and can last 14 days or longer.
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