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Dental Radiology Study Test Questions with Correct Answers

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  • Course
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  • Dental Radiology

Dental Radiology Study Test Questions with Correct Answers Intraoral - Answer-Film packet placed inside oral cavity during exposure. Ionizing Radiation - Answer-Radiation that produces ionization, resulting in harmful effects. Ioning Radiation (Ionizing - turning an atom into an ion by addin...

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  • August 19, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Dental Radiology
  • Dental Radiology
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Scholarsstudyguide
Dental Radiology Study Test Questions
with Correct Answers

Intraoral - Answer-Film packet placed inside oral cavity during exposure.

Ionizing Radiation - Answer-Radiation that produces ionization, resulting in harmful
effects.

Ioning Radiation (Ionizing - turning an atom into an ion by adding or taking away
particles.) - Answer-...

Kilovolt - Answer-Unit of electromotive force, equal to 1000 volts, drives electric current
through circuit.

Latent Period - Answer-Time between exposure to ionizing radiation and the
appearance of symptoms

Lead Apron - Answer-Heavy lead lined, plastic apron placed over patient for protection
during x-rays.

Lead Shield - Answer-Lead lined wall or movable shield for students/staff to stand
behind while exposing x-rays.

Milliampere (mA) - Answer-One thousandth (1/1000) of an ampere, a unit of
measurement used to describe intensity of electric current.

Midsagittal Plane - Answer-Imaginary line dividing tooth longitudinally into two equal
halves.

Occlusal Plane - Answer-Plane between upper and lower teeth.

Occlusal X-ray - Answer-Radiographs produced by placing film along the occlusal
plane.

Panoramic Radiograph - Answer-Produces extraoral radiograph that shows both dental
arches and TMJ's. Machine rotates around patient to produce radiography on one film.

Periapical Radiograph - Answer-Shows all structures of teeth in a given area, with all
parts of adjacent tissues and oral structures.

, Position Indicator Device (PID) - Answer-"Cylinder" or "Cone" Part of x-ray machine
aligned with the film during exposure. maybe cylindrical (larger beam) or rectangular
(limits size of beam).

Radioluscent - Answer-Dark areas of film after exposure shows structures that radiation
can easily pass through on a film. For example: air, soft tissue, abscesses, tooth decay
and dental pulp.

Radiopaque - Answer-White or light gray areas of film after expusure shows structures
that radiation does NOT easily pass through on a film. Examples: Metal, tooth enamel,
dense bone

Vertical - Answer-Up and down motion

Wavelength - Answer-Measurement of space between (electromagnetic) waves.

Effects of long term overexposure to radiation are: - Answer-Hair Loss i.e.
chemotherapy, Skin Redness, cell Atrophy, ulcerations, skin inflammation, blood count
changes, change sterility, cancers (such as leukemia), genetic damage, death.

Radiographs are ordered and interpreted by: - Answer-Dentist Only

BWX recommended every _____ years. - Answer-2

PANO's are recommended every __________ years. - Answer-5

Lead aprons without collars are used for - Answer-PANO's

Lead aprons with collars are used for - Answer-Intraoral exposures.

Provider should stand behind a barrier wall or __ feet from tube head. - Answer-6

Log Entries include: - Answer-Date, Patient's name, ssn, unit, rank, rate, retired,
dependant

Type's of X-rays: - Answer-BWX, Occlusals, Periapicals (PA's), Panoramic

ALARA means: - Answer-(exposure to radiation to be kept) As Low As Reasonably
Achievable


Radiology - Answer-Science of radiation as used in medicine.

Radiation - Answer-Electromagnetic rays that travel as waves of energy through space.

Radiograph - Answer-Image produced on photosensitive film by exposing film to x-rays
and processing.

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