Ectodermal dysplasia trichoodontoonychial type is a form of ectodermal dysplasia with hair teeth and nail involvement characterized predominantly by hypodontia hypotrichosis delayed hair growth and brittle nails. Additionally focal dermal hypoplasia irregular hyperpigmentation hypoplastic or absent nipples amastia hearing impairment congenital hip dislocation and asthma have been associated. There have been no further descriptions in the literature since 1996.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version May 2026
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Ectodermal dysplasia, trichoodontoonychial type?
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Advocacy Organizations
National Foundation for Ectodermal Dysplasias
Together, we enrich the lives of people affected by ectodermal dysplasias by fostering community, providing education and support, and driving advocacy and groundbreaking research—creating a brighter future for all.
Uganda Alliance of Patients Organization
Supporting patients to access quality, safe and patient-centered healthcare services.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.