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Living with Ectodermal dysplasia 8, hair/tooth/nail type

A rare condition with missing teeth, poorly formed nails, and thin, slow-growing hair.

Understanding Ectodermal dysplasia 8, hair/tooth/nail type

Ectodermal dysplasia 8, hair/tooth/nail type, is a rare ectodermal dysplasia with missing teeth and poorly formed nails.

People have fewer teeth than usual in baby or adult teeth, and thin, flat, poorly formed fingernails and toenails. Other features can include sparse, fine, slow-growing scalp hair, thin eyebrows, poor jaw development, dry skin, and sweat gland differences. Signs begin during pregnancy, at birth, or in infancy.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Missing permanent teeth
  • Irregular or larger-than-usual teeth
  • Poorly formed fingernails and toenails
  • Sparse scalp hair
  • Sparse or missing eyebrows and eyelashes

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 genetic specialists and skin, hair, and nail specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    National Foundation for Ectodermal Dysplasias may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: National Foundation for Ectodermal Dysplasias
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 National Foundation for Ectodermal Dysplasias and other patient organizations
  • 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
Would genetic testing help our family?
What dental care and replacement options are available?
How do I care for the skin, hair, and nails?

Quick facts

Symptoms usually startduring Pregnancy, at Birth, and as an Infant
InheritanceAutosomal Recessive

GARD says changes in a person's genes cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticSkin

Also known as: fried's tooth and nail syndrome

Patient organizations

Source: NIH GARD · Ectodermal dysplasia 8, hair/tooth/nail typeGARD ID 16903 · 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 Ectodermal dysplasia 8, hair/tooth/nail type.

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