A retromolar is an X-ray that depicts the molars (molars = the part of the tooth that is visible inside the mouth) of the teeth and both jaws at the point of examination, as well as part of the supporting bone that surrounds them, specifically the upper part of the jaw bone called the alveolar bone.
Ideally, at least 3 millimeters of bone should be imaged around the tooth to ensure the
Also, post-molding radiography is the examination of choice for the discovery of incipient caries lesions.