Histiogenesis

• Proliferation of odontogenic epithelium – arise from rest cells of Malassez

Site

• Maxilla – Incisor canine area
• Mandible – Molar area

Clinical

• Unifocal
• Tooth mobility
• Multiple lesions in 20% affected patient

Radiology

• Well circumscribed lesion
• Semilunar in cervical region of roots of teeth
• Root divergence
• Calcification – cause development of a target lesion (opaque with circumferential lucent halo)

Management

• Curettage/excision

Picture