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
In anesthetizing lower anteriors all of the following are indicated except 
Select and explain. 
A. Fischer 123 technique, B. Classical inferior alveolar block, C. Mental nerve block, D. Incisive block
C: Mental nerve block
Answer: C: Mental nerve block 
Explanation: None