# Following are "essential diagnostic criteria" according to Graber except:
a) Case history
b) Facial photographs
c) Periapical x-rays
d) Lateral cephalograms
The correct answer is:
d) Lateral cephalograms
Graber's essential diagnostic criteria for orthodontic diagnosis typically include case history, facial photographs, and periapical x-rays. Lateral cephalograms, while useful for orthodontic analysis, are not considered part of the essential diagnostic criteria according to Graber.