X-ray finding:

1

• X-ray finding
• There is a well-defined unilocular oval shaped
  circumcoronal radiolucence with a corticated
  border over the submerged tooth 48 extending from
  retromolar area down to the mandibular angle,
  measuring approximately 12 cm in diameter.

2
Features of Dentigerous Cyst

• Most common odontogenic cyst, next to radicular
  cyst.
• Etiology
• X-ray
• Site
• Pt ages usually adolescents, 2040 years old.
• Eruption cyst
• Effects on adjacent tooth
• Treatment
• Progonosis
• Ameloblastic change (neoplastic transformation)

3
Differential diagnosis

• Mural ameloblastoma

4
Differential diagnosis

• Adenomatoid Odontogenic Tumor (AOT)

5
Differential diagnosis

• Ameloblastic fibroma

6
Differential diagnosis

• Paradental cyst