Description:
One or more painful sores on inner lips, tongue, gums,roof of the mouth or throat that may interfere with eating, such as a canker sore.
Causes:
- Accidental biting of the inside of your cheek.
- injury from a toothbrush
- poor oral hygiene.
- constant rubbing against dentures
Symptoms:
- Problems with chewing
- Swollen skin around the sores.
- Irritation of the sores by salty, spicy or sour foods.