[The maxillofacial functional and esthetic surgical aspects in a case of osteopetrosis].

Osteopetrosis is an extremely rare condition characterized by an increase in osseous cell density. It shows three different hereditary patterns. Diagnosis is made by means of a 3D CT and an accurate study of hepatic and renal functions, as well as audiometric and labyrinth examination. In the frequent case of serious osseous alterations of the facial profile, surgical treatment is essential in order to obtain the best aesthetic and functional results.