Abstract
Osteopetrosis is a rare hereditary disorder characterized by dysfunction of osteoclasts and bone resorption. With normal osteoblastic activity, the dysfunction promotes intense bone sclerosis, with reduction of bone marrow. A 48-year-old man with a previous diagnosis of benign osteopetrosis complained of pain and swelling in the right mandibular body. The patient reported undergoing extraction of tooth #46 about 6 months prior to presentation. Intraoral examination demonstrated alveolar bone exposition, mobility of teeth #47 and #45, and suppurative exudate. Computed tomography showed irregular bone resorption of the alveolar and basilar bones extending from tooth #45 up to the mandible ramus. A clinical diagnosis of osteomyelitis was rendered. Partial mandibular resection was performed with the help of an ultrasonic cutting device, and a reconstruction bone plate was inserted. The postoperative control was uneventful, with aesthetics and function re-established, and the patient is satisfied with the treatment. Support: FAPEMIG.
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