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
Which muscle has dual function as related to C.D 
Select and explain. 
A. Masseter, B. Temporalis, C. Buccinator, D. Lateral pterygoid
A: Masseter
Answer: A: Masseter 
Explanation: None