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What is a canker sore?Ask Hanna

Canker sores, also known as aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth, most commonly inside the cheeks or lips and at the base of the gums.  They are very common, affecting up to 20%-40% of the U.S. population at some point in their lives.  Canker sores are […]

What is a canker sore?

Canker sores, also known as aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth, most commonly inside the cheeks or lips and at the base of the gums.  They are very common, affecting up to 20%-40% of the U.S. population at some point in their lives.  Canker sores are […]

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