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 second most common skull radiograph used in dentistry is: 
Select and explain. 
A. Lateral Cephalometric Projection, B. PA Cephalometric Projection, C. Both, D. None
B: PA Cephalometric Projection
Answer: B: PA Cephalometric Projection 
Explanation: Lateral Cephalometric Projection is the most common extraoral skull radiograph.