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Living with Florid cemento-osseous dysplasia

A jaw bone condition with patches of abnormal bone that rarely causes symptoms and is often found on a routine dental X-ray.

Understanding Florid cemento-osseous dysplasia

Florid cemento-osseous dysplasia (FCOD) is a condition of the jaw bone in which spots of normal bone are replaced by a mix of connective tissue and abnormal bone.

It is often found in the area near the teeth, on both sides of the jaw. People rarely have symptoms, and it is usually found on dental X-rays during a routine exam. It mainly occurs in middle-aged women. Sometimes the lesions grow or get infected, causing discomfort, pain, or mild changes in appearance.

Signs & symptoms

Most people have no symptoms. GARD lists these findings:

  • Abnormal bone in the jaw
  • Spots seen on dental X-rays
  • Impacted teeth
  • Jaw enlargement in some people
  • Occasional pain or infection
  • Mild change in appearance

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 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
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
Do I need regular dental X-rays to monitor it?
How can infection of the lesions be avoided?
When would treatment be needed?

Quick facts

Symptoms usually startAdult

The cause is unknown, and it does not usually run in families.

Also known as: florid osseous dysplasia; focal cemento-osseous dysplasia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Florid cemento-osseous dysplasiaGARD ID 10173 · 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 Florid cemento-osseous dysplasia.

Explore the Florid cemento-osseous dysplasia blog

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  • Eligibility is confirmed by the study team

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