These bumps are especially common in younger individuals and people who frequently bite their lips or cheeks. If you notice ...

Symptoms most commonly appear on the inside of your cheeks. If you have leukoplakia, you may get white sores or patches on your gums, as well as on the bottom of your mouth and inside your cheeks.

This condition most commonly results in white bumps and patches inside the mouth or on the tongue, but occasionally it can present on the lips or corners of the mouth, as well, Massick says.

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