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
Cusp of carabelli is present on _________ surface of the permanent maxillary molar: 
Select and explain. 
A. Mesial surface, B. Palatal surface, C. Buccal surface, D. Mesial half of the palatal surface
D: Mesial half of the palatal surface
Answer: D: Mesial half of the palatal surface 
Explanation: None