Canker Sore : Articles
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A canker sore is an open sore in the mouth, which appears as a painful white or yellow ulcer surrounded by a bright red area. A canker sore is benign (not harmful). See also herpes , which can also cause mouth sores.
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Canker sores are small sores or ulcers that appear inside the mouth. They are painful, self-healing, and can recur.
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Canker sores are small sores or ulcers that appear inside the mouth. They are painful and often recur from once every few years to almost continually.
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Canker sores (aphthous ulcers) are small shallow sores or ulcers that appear inside the lips, inside the cheeks, or on the gums. They begin as small, reddish swellings.
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