orthopantogram

orthopantogram

(or′thŏ-pan″tŏ-gram″) [ ortho- + panto- + -gram],

OPG

A panoramic x-ray of all the teeth and the surrounding bones of the face and jaw. It is obtained by rotating the imaging source around the front of the mouth and is used for orthodontic assessments, evaluations of the wisdom teeth, and periodontal imaging.