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: Surgery
The closed mouth technique for mandibular nerve block is 
Select and explain. 
A. Clark and Holmes technique, B. Akinosi-Vazarani technique, C. Gow gates technique, D. Angelio sergenti technique
B: Akinosi-Vazarani technique
Answer: B: Akinosi-Vazarani technique 
Explanation: None