Differential Diagnosis

Question 1

What lesions are in the Posterior Maxilla?

Answer 1

Juvenile Active Ossifying Fibroma

Question 2

What lesions affect the condyle?

Answer 2

• Osteoma
  
  • RO
• Chondroma
  
  • Rare

Question 3

What lesions occur in the area of the premolars?

Answer 3

• Cementoblastoma
  
  • ​
• Calcifying Epithelial Odontogenic Tumor (Pindborg)
  
  • Multi- or uni-locular Rl with occasional large RO
• Lateral Periodontal Cyst
• Gingival Cyst
  
  • Soft tissue

Question 4

Periapical Unilocular RL (6)

Answer 4

• PA cyst *C
• PA granuloma *C
• Apical scar *
• Cementoma (stage 1) *
• Florid osseous dysplasia
• Histiocytosis X (Langerhans/eosinophilic granuloma)

Question 5

Pericoronal Unilocular RL (10)

Answer 5

• Normal follicle *C
• Hyperplastic dental follicle *C
• Dentingerous cyst *C
• OKC *C
• Unicystic ameloblastoma *
• Ameloblastic fibroma
• AOT
• CEOT
• Myxoma
• COC

Question 6

Multilocular RL (12)

Answer 6

• Ameloblastoma *C
• OKC *C
• Myxoma *
• CGCG
• Hemangioma/AV malformation*
• MEC *
• Traumatic bone cyst
• Fibrous Dysplasia
• Aneurysmal bone cyst
• Metastic disease
• CEOT
• Ameloblastic fibroma