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: Dental
Faulty registration of occlusion cannot be directly attributed to 
Select and explain. 
A. Viscosity, B. Pain in the muscles of mastication, C. Pain in the TMJ, D. Skeletal class III relation
D: Skeletal class III relation
Answer: D: Skeletal class III relation 
Explanation: None