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
Two palatal roots are found in what percentage of maxillary 1st molars 
Select and explain. 
A. 1-4%, B. 2-10%, C. 0-1 %, D. Two palatal roots are never found
A: 1-4%
Answer: A: 1-4% 
Explanation: None