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: Pathology
Of the following which is most common disorder causing pain about the masticatory apparatus including the TMJ : 
Select and explain. 
A. Traumatic arthritis, B. Trigeminal neuralgia, C. Myofacial pain dysfunction syndrome, D. Degenerative arthritis
C: Myofacial pain dysfunction syndrome
Answer: C: Myofacial pain dysfunction syndrome 
Explanation: None