Fried's tooth and nail syndrome

A rare, ectodermal dysplasia syndrome characterized by hypodontia of primary or permanent dentition, and nail dysplasia manifesting as dystrophic fingernails and toenails, and thin, flat nail plates. Additional signs and symptoms may include sparse, slow-growing and fine scalp hair, thin scanty eyebrows, poor jaw development, everted lower lip, dry skin, and sweat gland involvement.