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
The	most	important	morphologic	or	histological
consideration in cavity preparation in primary teeth is
the: 
Select and explain. 
A. Size of primary molars, B. Thickness of enamel and dentin, C. Direction of the roots below the cemento enamel junction, D. Direction of the enamel rods at the cervical region
B: Thickness of enamel and dentin
Answer: B: Thickness of enamel and dentin 
Explanation: None