Panoramic Radiograph
Pronunciation: pan-oh-RAM-ik RAY-dee-oh-graf
A wide-field dental X-ray that produces a single two-dimensional image of the entire upper and lower jaws, teeth, and surrounding structures.
Full Definition
A panoramic radiograph, also known by the brand-derived term OPG (orthopantomogram), captures a broad view of the dentition, alveolar bone, temporomandibular joints, and nasal sinuses in a single extraoral image. In orthodontics, it is used to assess tooth position, root morphology, presence of unerupted or supernumerary teeth, bone levels, and pathology. It is a standard record taken at the start of orthodontic treatment. Editors should note that 'panoramic radiograph' is the preferred generic term; 'OPG' is a proprietary abbreviation that persists in clinical use. 'Panoramic radiograph' should not be confused with 'cephalometric radiograph', which is taken from a lateral aspect.
Usage
Usage note: Prefer 'panoramic radiograph' over 'OPG' or 'DPT' in formal editorial copy unless the document consistently uses the abbreviation. Expand on first use.
In Context
- "A panoramic radiograph was taken to assess the position of the upper canines and the root morphology of adjacent teeth." — Records appointment note
- "The panoramic radiograph revealed a supernumerary tooth in the upper anterior region." — Orthodontic assessment report