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
The matrix band for restoring a Class-I with lingual extension is 
Select and explain. 
A. Tofflemire, B. Ivory No.8, C. Barton, D. T band
C: Barton
Answer: C: Barton 
Explanation: None