Periapical Radiograph
Definition
A dental radiograph showing the full length of one to three teeth, including roots and surrounding bone, from crown to apex. The primary diagnostic radiograph in clinical dentistry and the most direct AM-to-PM comparison format.
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...
- Panoramic Radiograph (OPG)
- A wide-field tomographic image of the entire dentition and jaws on one film or sensor. Useful for overview but subject to magnification...
Explained in
- Radiographic and Digital Methods in Dental IDA dental radiograph showing the full length of one to three teeth, including roots and surrounding bone, from crown to apex. The primary diagnostic radiograph...