Canker sores are a type of noncontagious mouth sore that can be painful, though they usually go away on their own within two weeks. These sores are caused by stress, eating acidic foods, small injuries inside of your mouth, and immune system conditions.
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Stacy A. Spizuoco, DDS
Medical Reviewer
Stacy Spizuoco, DDS, is a dentist in private practice in New York City. She is involved in charitable work, including organizing bi-annual dental missions with World of Smiles to D...
Elizabeth V. Simpson, DMD, is an associate dentist with Meridian Health Services in Indiana and adjunct faculty at the Indiana University School of Dentistry in Indianapolis. The b...
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