What is Canker Sores – Causes, Treatments, Symptoms and Prevent
A canker sore, or aphthous ulcer, is an open and painful mouth ulcer or sore. It’s also the most common type of mouth ulcer. Some people notice them inside their lips or cheeks. They’re usually white or yellow and surrounded by red, inflamed soft tissue. Canker sore symptoms include: a small white or yellow oval-shaped ulcer … Read more