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.
What is Dry Mouth
Reduced saliva flow results in dry mouth and is often seen in older adults. The salivary glands help keep your mouth moist, which helps prevent