A tiny bump inside the mouth can be easy to overlook. It may appear after accidentally biting your lip, brushing against a sharp tooth, or eating something that irritates the delicate lining of the mouth. Sometimes, it disappears within a few days without needing any treatment. But what if the spot remains, grows larger, returns repeatedly, or begins to hurt?
The mouth is lined with soft tissues that respond to irritation, infection, inflammation, and changes in the salivary glands. Small bumps, ulcers, blisters, and patches can therefore have several different causes. Many are harmless and temporary, but others may need assessment by a dentist or healthcare professional.
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