OPG- The Orthopantomogram illustrates the upper Jaw (Maxilla) and the lower jaw (mandible), all the teeth including the wisdom teeth, the frontal, nasal and maxillary sinus air spaces and the TMJ (Temporomandibular joint Complex).
Is a profile X-ray of the skull and soft tissues and is used to assess the relation of the teeth in the jaws , the relation of the jaws to the skull and the relation of the soft tissues to the teeth and jaws.