Panoramic Radiograph (OPG)
Definition
A wide-field tomographic image of the entire dentition and jaws on one film or sensor. Useful for overview but subject to magnification variation and distortion that limits precision comparison.
Related terms
- Bitewing Radiograph
- A radiograph showing the crowns and coronal thirds of the roots of upper and lower posterior teeth simultaneously, used to document interproximal...
- Cone Beam CT (CBCT)
- A three-dimensional imaging modality producing volumetric data of the jaws at lower dose than medical CT. Allows multiplanar reconstruction and surface rendering...
- Digital Superimposition
- Computer-assisted alignment of two radiographic images to assess feature correspondence. Software adjusts size, rotation, and contrast to optimise overlay, and highlights matching...
- Frontal Sinus Comparison
- Identification method using the unique outline shape of the frontal sinus, visible on skull radiographs or CT, to compare AM and PM...
- Periapical Radiograph
- A dental radiograph showing the full length of one to three teeth, including roots and surrounding bone, from crown to apex. The...
Explained in
- Radiographic and Digital Methods in Dental IDA wide-field tomographic image of the entire dentition and jaws on one film or sensor. Useful for overview but subject to magnification variation and distortio...