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
For posterior abutment with acceptable crown root ratios, average crown length, normal esthetic requirement, retainer of choice is: 
Select and explain. 
A. Full crown, B. Partial veneer crown, C. Resin veneer, D. PFM
B: Partial veneer crown
Answer: B: Partial veneer crown 
Explanation: None