Medically reviewed by Edmund Khoo, DDS Canker sores, or aphthous ulcers, are small, painful lesions that develop inside your ...

Canker sores are painful ulcers, we call them aphthous ulcers, that develop in the lining of the mouth, inside your lip, on ...

A dental expert breaks down what could be causing that bump on the roof of your mouth and when it's time to seek medical care ...

According to a 2022 review, about 1 in 5 erythroplakia cases turn into cancer, a much lower ... your lips inside and out. Learn more about oral cancer self exams and screening. A canker sore ...

Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies ...