Buccal exostosis

Buccal exostosis is a benign overgrowth of bone that occurs on the outer, or buccal, surface of the alveolar process of the maxilla or mandible. It is a slow-growing, asymptomatic swelling that has a predilection for the maxillary buccal cortex and is usually discovered during routine radiographic examination.

Etiology[edit | edit source]

The exact cause of buccal exostosis is unknown. However, it is believed to be a reactive process. Some researchers suggest that it may be due to local factors such as occlusal trauma or low-grade infection. Others believe that it may be a developmental anomaly.

Clinical features[edit | edit source]

Buccal exostosis is usually asymptomatic and is often discovered during routine dental examination or radiographic evaluation. It appears as a hard, bony swelling on the buccal surface of the alveolar process. The overgrowth is usually covered by normal mucosa. It is more common in the maxilla than the mandible and is often bilateral.

Diagnosis[edit | edit source]

The diagnosis of buccal exostosis is usually made on clinical and radiographic examination. Radiographically, it appears as a dense, radiopaque mass on the buccal surface of the alveolar process. Histologically, it is composed of dense, mature lamellar bone.

Treatment[edit | edit source]

Treatment is usually not necessary unless the exostosis interferes with the placement of a prosthesis or causes cosmetic concern. If removal is necessary, it can be done under local anesthesia.

References[edit | edit source]

Buccal exostosis Resources
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