Mouth Disorders | Common Mouth Problems | MedlinePlus

P Your mouth is one of the most important parts of your body. Any problem that affects your mouth can make it hard to eat, drink or even smile.
P Some common mouth problems include
- Cold sores - painful sores on the lips and around the mouth, caused by a virus
- Canker sores - painful sores in the mouth, caused by bacteria or viruses
- Thrush - a yeast infection that causes white patches in your mouth
- Leukoplakia - white patches of excess cell growth on the cheeks, gums or tongue, common in smokers
- Dry mouth - a lack of enough saliva, caused by some medicines and certain diseases
- Gum or tooth problems
- Bad breath
P Treatment for mouth disorders varies, depending on the problem. Keeping a clean mouth by brushing and flossing often is important.

