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Living with Ectodermal dysplasia with natal teeth, Turnpenny type

A very rare condition with teeth present at birth, missing adult teeth, dark velvety skin in body folds, and thin sparse hair.

Understanding Ectodermal dysplasia with natal teeth, Turnpenny type

Ectodermal dysplasia with natal teeth, Turnpenny type, is a very rare ectodermal dysplasia in which babies are born with teeth.

Features include teeth present in the newborn period, fewer adult teeth than usual, and darkened, thickened skin in body folds (acanthosis nigricans). Body and scalp hair is sparse, thin, and slow-growing. GARD notes there have been no new descriptions in the medical literature since 1995.

Signs & symptoms

GARD doesn't list specific symptoms for this condition separately, but the summary describes these features:

  • Teeth present at birth (natal teeth)
  • Fewer adult teeth than usual
  • Dark, thick skin in body folds (acanthosis nigricans)
  • Sparse body hair
  • Thin, slow-growing scalp hair

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, gum, teeth and mouth 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); Gum, teeth and mouth specialists (odontologists); 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?
Do natal teeth need to be removed?
What dental planning is needed for adult teeth?

Quick facts

Symptoms usually startNewborn and as a Child
InheritanceAutosomal Dominant

GARD says changes in a person's genes cause this condition. It is autosomal dominant, meaning one changed copy of the gene can cause it.

GeneticSkin

Also known as: ectodermal dysplasia with natal teeth turnpenny type; ectodermal dysplasia, hair/tooth type

Patient organizations

Source: NIH GARD · Ectodermal dysplasia with natal teeth, Turnpenny typeGARD ID 10526 · 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 with natal teeth, Turnpenny type.

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