Broad coverage of facial bone and teeth Low patient radiation dose Convenience of examination for the patient (films need not be placed inside the mouth) Ability to be used in patients who cannot open the mouth or when the opening is restricted e.g.: due to trismus Short time required for making the image Patient's ready understandability of panoramic films, making them a useful visual aid in patient education and case presentation. Easy to store compared to the large set of intra oral x-rays which are typically used.[3]