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
Shoulder with bevel margin is indicated for 
Select and explain. 
A. Facial margin of posterior metal ceramic crowns with supra gingival margins, B. Facial margin of posterior metal ceramic crowns with deep sub gingival margins, C. Cast metal restorations on the posterior teeth, D. Facial margin of a maxillary partial veneer crown
A: Facial margin of posterior metal ceramic crowns with supra gingival margins
Answer: A: Facial margin of posterior metal ceramic crowns with supra gingival margins 
Explanation: None