= oral exostosis

Age: adulthood (most commonly)

Types and location:

1. Torus mandibularis: above mylohyoid line along lingual surface of mandible in region of bicuspids
2. Torus palatinus: at midline of hard palate
3. Torus maxillaris: lingual surface of posterior maxilla / buccal cortex of maxilla

• exophytic lesion ± small amount of marrow
• slowly growing with spontaneous growth arrest