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
Conservative cavity for amalgam restoration is made using: 
Select and explain. 
A. 33½ inverted cone bur, B. No. 245 non standardized bur, C. Pear shaped bur, D. Taper fissure bur
C: Pear shaped bur
Answer: C: Pear shaped bur 
Explanation: None