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Dental Imaging terms
Term | Definition |
---|---|
Automatic processor | Machine that automates all film processing steps |
Beam alignment device | Assists in the positioning of the position indicator device (PID). |
Bitewing | Image view that shows the crowns of both arches on one film. |
Calcium tungstate | Common type of phosphor |
Cassette | Contains extraoral films during exposure. |
Cephalometric film | Shows the bony and soft tissue areas of the facial profile. |
Charge-coupled device (CCD) | A solid-state image sensor used in intraoral digital imaging |
Digital Image | Electronic signals captured by sensors and displayed on computer monitors. |
Digitize | Electronic signals captured by sensors and displayed on computer monitors. |
Duplicating film | Film designed for use in film duplicating machines. |
Emulsion | A coating on the x-ray film that contains energy-sensitive crystals. |
Extraoral film | Film designed for use in cassettes |
Film speed | The sensitivity of the emulsion on the film to radiation |
Intensifying screen | The part inside an extraoral cassette that converts x-ray energy into visible light, which in turn exposes screen film. |
Intraloral film | Film designed for placement in the patient's mouth |
Label side | Colored side of the film that faces the tongue. |
Latent image | The invisible image on the x-ray film after exposure but before processing. |
Occlusal | Radiographic view that shows large areas of the maxilla or mandible. |
Panoramic film | Used in cassettes to provide a wide view of both the upper and lower jaws. |
Periapical | Radiographic view that shows the crown, root tip, and surrounding |
Phosphor storage plate (PSP) | Reusable film-sized plates coated with phosphor as the image receptor. |
Positioning instruments | Intraoral devices used to position and hold the film, sensor, or PSP. |
Processing | a series of steps that change exposed film into a radiograph. Steps include developing, rinsing, fixing, washing, and drying. |
Radiograph | Image produced on photosensitive film by exposing the film to radiation and then processing it. |
Teledentistry | Process of using electronic transfer of images and other information for consultation and/or insurance purposes in dentistry. |
Tube side | Solid white side of the film packet that faces the x-ray tube. |