This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Open reduction & fixation of fracture of mandibular condyle is indicated when 
Select and explain. 
A. Shortening of ramal height is more than 5 mm, B. Superior 5 mm condyle is fractured, C. Green stick fracture in children, D. Condylar fracture which is not dislocated
A: Shortening of ramal height is more than 5 mm
Answer: A: Shortening of ramal height is more than 5 mm 
Explanation: None