Be a canker sore specialist: What you should know
What are canker sores? Canker sores, also known as recurrent aphthous stomatitis (RAS), are round or oval oral ulcers that have red and inflamed borders and yellowish white centers. Read this article to discover more about these painful ulcers.
Why Do Canker Sores Hurt So Much?
Do you ever wonder why canker sores hurt so much? In this article, we explain why canker sores are so painful as well as some tips to help manage them to improve healing.