[Is orthognathic surgery an alternative for mandibular osteopetrosis?].

Introduction: Osteopetrosis is a metabolic bone disease that leads to bone malformation and bone healing disorders. We report the case of a patient who underwent orthognathic surgery to treat a class III skeletal malocclusion.

Observation: A 21-year-old patient had presented with osteopetrosis in his childhood, which had been treated by bone marrow transplantation.