The cant of the occlusal plane and distortion in the panoramic radiograph.
D002508:Cephalometry / Q000295:instrumentation; D003766:Dental Occlusion; D006801:Humans; D008953:Models, Anatomic; D011858:Radiographic Magnification; D011861:Radiography, Dental / Q000295:instrumentation; D011862:Radiography, Panoramic / Q000295:instrumentation; D014056:Tomography, X-Ray / Q000295:instrumentation