This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fracture Management, Subject name: Orthopaedics
For which of the following wedging technique is used ? 
Select and explain. 
A. After internal fixation with plates, B. After internal fixation with nail, C. POP cast, D. POP slab
C: POP cast
Answer: C: POP cast 
Explanation: Wedging Used for POP cast, To correct the minor angulations by cutting the plaster cast paially. In few cases after application of cast, The position is checked by X-ray. Minor degrees of angulation can still be corrected by making a transverse cut in the plaster and wedging it into a better position.