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
Following are "essential diagnostic criteria" according to
graber except 
Select and explain. 
A. Case history, B. Facial photographs, C. Periapical x-rays, D. Lateral cephalograms
D: Lateral cephalograms
Answer: D: Lateral cephalograms 
Explanation: None