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
Multi constricted apical constriction is seen in which type of Dummer’s classification 
Select and explain. 
A. Type 1, B. Type 2, C. Type 3, D. Type 4
C: Type 3
Answer: C: Type 3 
Explanation: None