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
Before an accurate face bow transfer record can be made, it is necessary to determine 
Select and explain. 
A. The axial centre of opening closing rotation, B. The inclination of each condyle, C. The physiologic rest position, D. Centric relation
A: The axial centre of opening closing rotation
Answer: A: The axial centre of opening closing rotation 
Explanation: None