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
C shaped morphological appearance is seen in 
Select and explain. 
A. Maxillary 1st premolar, B. Mandibular 1st premolar, C. Maxillary 1st molar, D. Mandibular 2nd molar
D: Mandibular 2nd molar
Answer: D: Mandibular 2nd molar 
Explanation: None