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
Average of length of maxillary cuspid is: 
Select and explain. 
A. 26 mm, B. 33 mm, C. 21 mm, D. 18 mm
A: 26 mm
Answer: A: 26 mm 
Explanation: None