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
An Erich arch bar may be used as all of these except? 
Select and explain. 
A. As a bar for intermaxillary fixation, B. As a splint for mobile dentoalveolar segment, C. As a compression band, D. As a tension band
C: As a compression band
Answer: C: As a compression band 
Explanation: Apart from the first two obvious uses of an Eric arch bar, it is also used as a tension band on the superior border of mandible when additional fixation is required, like while using a DCP etc.