| occlusal radiograph | <dentistry> The only X-ray that is taken without an X-ray holder. The X-ray film for this procedure is shaped like a large biscuit and the patient is asked to bite on the X-ray film and the top of the X-ray machine is positioned over your nose for a maxillary occlusal X-ray or under your chin for a mandibular occlusal film. The X-ray displays the entire arch. (08 Jan 1998) |
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| Towne projection radiograph | See: Towne projection. (05 Mar 2000) |
| transcranial radiograph | A radiographic view of the temporomandibular articulation. (05 Mar 2000) |
| Trendelenburg radiograph | Radiograph of a subject tilted head downwards, usually in the decubitus position; used to detect small pleural effusions. (05 Mar 2000) |
| lateral decubitus radiograph | A radiograph of a recumbent subject on his side, made in the frontal projection with a horizontal X-ray beam. Synonym: lateral decubitus radiograph. (05 Mar 2000) |
| lateral oblique radiograph | A radiographic view of the mandible, revealing one side of the mandible from symphysis to condyle by displacing the other side upwards. (05 Mar 2000) |
| lateral ramus radiograph | A radiographic view of the mandibular ramus and condyle. (05 Mar 2000) |
| lateral skull radiograph | A true lateral projection radiograph of facial bones and calvarium, showing bone structures and air-containing passages. (05 Mar 2000) |