Canker sores are ulcers in the mouth, appearing as a painful white or yellow sore surrounded by a reddish inflamed border. Canker sores may be caused by multiple factors such as stress, food allergies or a weakened immune system. A canker sore usually forms in the soft unattached tissues of the mouth and is typically not contagious.

Clear Aligners
Can Clear Aligners Be Covered By Insurance?
The short answer is yes; some insurance plans may cover part or all of the cost of clear aligners. First, however, it is important to