Ectodermal dysplasias represent a large and complex group of diseases comprising more than 170 clinical conditions. They are caused by impaired development of the ectodermal appendages and characterized by a primary defect in at least one of the following tissues: nails, hair, sweat glands, or teeth. Ectodermal dysplasia has emotional consequences for affected individuals at early ages. This case report outlines a possible routine approach to restoring function and esthetics and aiding in the social interaction for a 9-year-old girl diagnosed with hypohidrotic ectodermal dysplasia at about 7 years of age. (Quintessence Int 2008;39:81–86)

Key words: ectodermal dysplasia, fixed prosthesis, hypodontia