Dr. Mecham Reviews panoramic Radiography, including geometry, anatomy, and positioning errors. He summarizes three geometrical principles, which, if understood, will help you recognize the various artifacts and distortion seen in panoramic radiographs. Decipher where things are in relation to other structures based on their specific magnification in a Panoramic Radiograph. It’s important for dentists to recognize and be able to identify everything they see in this imaging modality, which has been around for over sixty years now, but is often overlooked.