Ectodermal dysplasias refers to a group of diseases in which defects occur in the development of the hair, teeth, nails, sweat glands and other structures originating from the ectoderm.7,8 These abnormalities, when associated with other malformations, constitute a group of ectodermal dysplasia syndromes that includes the ectrodactyly-ectodermal dysplasiaclefting (EEC) syndrome, Rapp-Hodgkin syndro