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
Which of the following is not true about stamp cusp? 
Select and explain. 
A. Maintain vertical height of face, B. Facial incline might contact in MI, C. Sharp cusps and prominent ridges are present, D. Not recalled
C: Sharp cusps and prominent ridges are present
Answer: C: Sharp cusps and prominent ridges are present 
Explanation: None