Torus mandibularis presenting with mouth ulceration
Lump along the left mandibular lingual surface with ulceration
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Bony excrescences arising from the buccal mandibular surface especially on the left with an air-filled ulcer in the oral cavity involving overlying mucosa.
Torus mandibularius is a bilateral bony growth from the buccal mandible anteriorly near the premolars above the mylohyoid muscle. Aetiology is unclear and they are usually asymptomatic (apart form a hard lump). Occasionally they can cause ulceration to the overlying mucosa as in this case.
Differential diagnosis: multiple buccal exostosis 1