A professional who traces head x rays and illustrates cosmetic result of proposed orthodontic treatment. Responsibilities include:

• Traces frontal and lateral head x rays onto transparent paper, using template, compass, protractor, and knowledge of cranial-facial skeletal structure.
• Traces lower teeth from occlusal x ray or photograph to locate key points defining true curve of lower dental arch.
• Records cephalometric measurements to prepare data for computer analysis, using electronic data recording equipment.
• Compiles data from tracings and computer plot sheets to illustrate results of proposed surgery or other orthodontic treatment.