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
Inferior alveolar nerve block alone can be used in: 
Select and explain. 
A. Pulpotomy of 3rd molar, B. Apicoectomy of 3rd molar, C. Extraction of 1st molar, D. Root resection of 1st molar
A: Pulpotomy of 3rd molar
Answer: A: Pulpotomy of 3rd molar 
Explanation: None