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Canker Sore |
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Canker sore - aphthous ulcers (aphthae)
A canker sore appears as a round white spot with a red border. That's what canker sores are like for people who experience them. These shallow ulcers in your mouth can make eating and talking uncomfortable. They may occur on your tongue, on your soft palate, inside your cheeks or lips, and at the base of your gums. Canker sores differ from cold sores in that they occur in the soft tissues of your mouth and aren't contagious. Conversely, cold sores rarely develop in the soft tissues of your mouth and are extremely contagious because they're caused by the herpes virus. Canker sores are common, but the cause in many cases is unknown. Canker sores can occur at any age, but often first appear when you are between 10 and 40 years of age. Often, treatment isn't necessary. Pain often decreases after several days, and canker sores usually heal within one to three weeks. Occasionally, severe canker sores can develop that are larger than 1 centimeter in diameter or last longer than two weeks or both.
canker sore
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