What is a Canker Sore?
What is a Canker Sore? Canker sores, or aphthous ulcers, are small, painful lesions that develop inside the mouth. Though they aren’t contagious, they can make eating, drinking, and talking uncomfortable. What Causes Canker Sores? The exact cause isn’t clear, but several factors contribute: Types of Canker Sores Canker sores can range from minor (3-10 […]