Radiography Chpt. 6
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Created by:
laguiar Teacher on January 18, 2012
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Terms | Definitions |
|---|---|
 Beam alignment device | helps radiographer position the PID or cone in relation to tube and film |
| Collimating device | metal plate with an opening, which can be used to restrict the size of the beam. |
| Control devices | regulate the x-ray beam include the timer, kVp (kilo-voltage), and mA (milliaperage). |
| Control panel | contains master swicth,indicator light,selector buttons,exposure botton |
| Exposure button | activates the machine to produce x-rays. |
| Exposure light | light on control panel when xray is exposed also beeps |
| extension arm | a part of the dental x-ray machine; suspends the x-ray tubehead and houses electrical wires that extend from the control panel to the tubehead. |
| extraoral film | is one that is placed outside of the mouth during x-ray exposure. |
| intraoral film | Films used inside the mouth |
| film holder | device that is used to position an intraoral film in the mouth an retain the film in place during exposure |
| indicator light | Illuminated when the equipment is turned on |
| tubehead | the tightly sealed heavy metal housing that contains the dental x-ray tube; includes the metal housing, insulating oil, tubehead seal, x-ray tube, transformers, alumnium disk, lead collimator, and PID(position indicating device). |
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