Virender Kumar, Lalit Kumar Dr HSJ Institute of Dental Sciences and Hospital Panjab University Chandigarh, India Ectodermal dysplasia (ED) is a hereditary disease characterized by anomalies in the structures of ectodermal origin. The disease affects skin, saliva, sebaceous and sweat glands (anhidrosis or hypohidrosis), hair (atrichosis or hypotrichosis), nail and teeth (anodontia or hypodontia)...