Overview
It won't go away on its own because it's made of scar-like tissue.
A dentist sends it for testing after removal to be sure.
Symptoms
Common signs:
- Lump in the mouth
Less common
- Bump that gets bitten
Look up a symptom: Red spot, bump, or patch on the skin
When to get medical care
Causes
Rubbing or biting.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Denture wearers
- Cheek biters
Possible complications
- Oral cancer: Rare; why lumps are checked
Diagnosis
A dentist looks at the bump.
Questions you may be asked
- Cheek biting, dentures, sharp teeth
The exam
Mouth exam.
Tests
Tests, if needed:
- Biopsy: After removal.
Treatment
Remove the cause of irritation.
Self-care
- Avoid biting the area
- Have rough teeth or dentures smoothed
A quick removal in the office.
Prevention
To prevent it:
- Well-fitting dentures
Which doctor treats this
- Start with your primary care provider (family doctor or internist).
- They may send you to a dentist or an ENT doctor (ear, nose, and throat doctor).
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
- Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
- Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.
Outlook
Harmless.
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Lumps in the mouth from irritation (oral fibroma)
Sources
Last updated 2026-11-12.