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 a rare occurrence 
Select and explain. 
A. Enamel meet cementum at a point, B. Enamel overlaps cementum, C. Cementum overlaps enamel, D. Both never meet
B: Enamel overlaps cementum
Answer: B: Enamel overlaps cementum 
Explanation: None