What Causes Canker Sores?
“A canker sore is a little ulcer in the protective lining of your mouth…”
See full article on Huffington Post
This is an enlightening explanation of what a canker sore is and how it is different from a cold sore. Canker sores are actually a response of the autoimmune system to some break in the inner lining of your mouth, such as from the sharp edge of something you ate. They are a mystery to some extent to medical science.
Dr. Rodney D. Chowning, DDS, Cerec Dentist, Denton, TX