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11 Cards in this Set
- Front
- Back
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Beam alignment device
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A device used to align the position-indicating device (PID) in relation to tooth and receptor; positions the intraoral receptor in the mouth and retains the receptor in position during exposure; helps stabilize the receptor in the mouth and reduces the chances of movement, thus reducing the patient's exposure to x-radiation.
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Collimating device
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A diaphragm, usually made of lead, used to restrict the size and shape of the x-ray beam.
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Control devices
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The components of the control panel of the x-ray machine that regulate the x-ray beam; includes the timer, kilovoltage, and milliamperage selectors.
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Control panel
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A part of the dental x-ray machine that contains an on-off switch and an indicator light, an exposure button and indicator light, and control devices to regulate the x-ray beam.
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Exposure button
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A component of the dental x-ray machine control panel; activates the dental x-ray machine to produce x-rays.
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Exposure light
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A component of the dental x-ray machine control panel; provides a visible signal when x-rays are produced.
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Extension arm
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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.
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Film holder
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A device used to align the position-indicating device (PID) in relation to tooth and receptor; positions the intraoral receptor in the mouth and retains the receptor in position during exposure; helps stabilize the receptor in the mouth and reduces the chances of movement, thus reducing the patient's exposure to x-radiation.
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Indicator light
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A component of the dental x-ray machine control panel; when illuminated, indicates that the dental x-ray machine is turned on.
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On-off switch
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A component of the control panel on the dental x-ray machine; turns the dental x-ray machine on or off.
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Tubehead
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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, aluminum discs, lead collimator, and position-indicating device (PID); contains a filament used to produce electrons and a target used to produce x-rays.
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