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
Girdle like elevation on the lingual surface of anteriors is 
Select and explain. 
A. Cingulam, B. Mamelons, C. Incisal edge, D. Incisal ridge
A: Cingulam
Answer: A: Cingulam 
Explanation: None