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
Counter bevel in tooth should not be given in 
Select and explain. 
A. Facial surface of premolar, B. Occlusal surface of premolar, C. Lingual surface of premolar, D. Any surface of premolar
A: Facial surface of premolar
Answer: A: Facial surface of premolar 
Explanation: Direct lines: “A counter bevel is not placed on the facial cusps of maxillary premolars and first molars due to esthetic considerations”.