ectodermal dysplasia is a hereditary disorder associated with abnormal development of embryonic ectodermally-derived organs including teeth, nails, hair and sweat glands. hypodontia of the primary and permanent dentition is the most common oral finding. therefore, affected patients need dental prosthetic treatments during their developmental years. this report presents two cases of children aff...

alveolar ridge is underdeveloped in ectodermal dysplasia (ed). the available treatment plans include fixed, removable or implant-supported prostheses, alone or in combination. a 5 year-old boy was referred for treatment to the department of prosthodontics, tehran university of medical sciences with the chief complaint of missing teeth. prosthodontic treatment was performed to improve masticatio...