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Living with Ameloblastoma

A rare, noncancerous tumor that usually grows in the jaw near the molars.

Understanding Ameloblastoma

Ameloblastoma is a rare, noncancerous (benign) tumor that typically develops in the jaw near the molars.

It starts in the cells that form tooth enamel. It most often occurs in adults in their 30s and 40s, though it can occur at any age. It is rarely found outside of the jaw. In many cases, the first sign is painless swelling in the jaw.

Signs & symptoms

Symptoms vary. GARD's summary says the first sign is often:

  • Painless swelling in the jaw

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include cancer specialists and gum, teeth and mouth specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Cancer specialists (oncologists); Gum, teeth and mouth specialists (odontologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Is my tumor growing, and how will it be monitored?
Which treatment options are there for a jaw tumor?
Which specialists, such as an oral surgeon, should I see?

Quick facts

Symptoms usually startany time in life

GARD says the tumor starts in the cells that form the enamel covering the teeth. It doesn't describe a gene cause.

Also known as: ameloblastoma of jaw; benign adamantinoma

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · AmeloblastomaGARD ID 5747 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Ameloblastoma.

Explore the Ameloblastoma blog

Explore research for Ameloblastoma

Explore actively recruiting Ameloblastoma studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Ameloblastoma with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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