Reactive hyperplastic mass – occurs on gingiva

Origin: CT

Epidemiology: Young adults, F>M

Clinical: Pedunculated/sessile mass, color of surrounding tissues

Histology:

• Peripheral ossifying fibroma:
  • Islands of immature bone and osteoid
  • Plump, benign fibroblasts

• Peripheral odontogenic fibroma:
  • Well vascularized, non-encapsulated fibrous CT
  • Strands of odontogenic epithelium

• Peripheral giant cell granuloma – Multinucleated giant cells

Management:

• Surgical removal of lesion down to the bone
• Adjacent teeth are cleaned thoroughly to remove any source of irritation
• Can recur

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