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
At the CEJ cementum overlaps enamel about 
Select and explain. 
A. 55 to 60%, B. 60 to 65%, C. 65 to 70%, D. 70 to 75%
B: 60 to 65%
Answer: B: 60 to 65% 
Explanation: None