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Exostosis

Exostosis
Etiology • Unknown • Probable reactive phenomenon (stimulus undetermined)
Clinical Presentation • Asymptomatic, bony, nodular masses • Cortical bone enlargement of the jaws; usually bilateral and
symmetric • Usually multiple; slow growing • Most commonly along buccal/facial aspects of the maxillary
and mandibular alveolar ridge • Overlying mucosa intact, unremarkable • Usually develops in adults

Diagnosis • May appear radiographically as homogeneous opacities
Differential Diagnosis • Peripheral fibroma • Periostitis • Periosteal/parosteal osteosarcoma
Treatment • None required • May need to be removed for prosthesis (denture) construction
Prognosis • Excellent