It is a specialised x-ray, also known as dental X-ray. It shows a panoramic or wide view of the whole lower face.The X-ray plate can display the number and positions of all your teeth including those that have not yet erupted on a single film.

During an OPG examination, part of the equipment will rotate around your head while you remain in a still, standing or sitting position. The technician guides you in taking the right position.