Medically reviewed by Edmund Khoo, DDS A bump on the roof of the mouth can have a number of causes, including canker sores, fungal infections, or bony growths. The bump may be painless or sore.

Dear Dr. Reitz: I have a habit of biting my lip when I am nervous or anxious, often without even knowing I am doing it. A few months ago a painless lump suddenly formed inside my lower lip that get… ...

A mucocele is a benign cyst originating from a minor or accessory salivary gland, containing mucus. It is most commonly found on the lower lip, but may also occur on the ventral aspect of the ...

Additionally, canker sores only appear on the inside of the mouth (sometimes on the throat, too), while cold sores usually appear on a person's lip. “They tend to happen in kids, teens and young ...

1. Abscess. I f you notice a painful bump on the roof of your mouth, it could be an abscess—an infection that forms when bacteria invade the soft tissues. According to Dr. Ross, abscesses often ...

Biting the inside of your lip can lead to pain, bleeding, swelling, and even canker sores. Home remedies usually work, but seek medical help if you can’t stop the bleeding. Share on Pinterest ...