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: Radiology
The facial aspect of an intraoral film is determined by the 
Select and explain. 
A. Anatomic landmarks, B. Concavity of the embossed dot, C. Convexity of the embossed dot, D. Curvature of the arch
C: Convexity of the embossed dot
Answer: C: Convexity of the embossed dot 
Explanation: None