Mouth ulcers, also known as canker sores, are small, painful lesions that typically appear at the base of the gums, or inside the cheeks or lips. These sores occur when the protective tissue lining of the mouth breaks down.
While they are common and often heal on their own, mouth ulcers can cause significant discomfort. They can make it difficult to eat, drink, brush, and even speak comfortably. Though typically harmless, these sores can be a real nuisance when they occur.
In most cases, mouth ulcers are short-lived and tend to resolve within a week or two once the infection subsides. However, if you find yourself dealing with ulcers that persist for more than three weeks, it's crucial to consult a healthcare professional. Persistent ulcers can sometimes be a sign of an underlying health issue that requires attention.
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