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
The orbitoaxial opening can be determined by at any point with the help of: 
Select and explain. 
A. Lateral pterygoid, B. Medial pterygoid, C. Masseter, D. Temporalis
A: Lateral pterygoid
Answer: A: Lateral pterygoid 
Explanation: None