Radiology PP-B/C/D

  1. What does ALARA stand for
    • As
    • Low
    • As
    • Reasonably
    • Achievable
  2. What are the two intraoral techniques
    • paralleling
    • bisecting
  3. Describe the paralleling technique
    • Receptor placed farther away and parallel to long axis of tooth
    • PID placed parallel to receptor and long axis of tooth
    • Receptor, long axis of tooth and PID are all parallel
  4. Describe the bisecting technique
    • Receptor placed closer to the tooth
    • PID placed at bisecting angle between the receptor and tooth
  5. X-ray tubehead is also known as the
    Position-Indicating Device (PID)
  6. What are the receptor holders
    Bite blocks
  7. What is the BAD or Beam alignment device
    • Alignment of PID to tooth and receptor
    • Ex. XCP Beam alignment device includes metal arm and indicating ring
  8. What are the types of film holders
    • Rinn XCP (EXtension Cone Paralleling
    • Rinn BAI (Bisecting Angle Instrument)
    • EEZEE Grip (“Snap-A-Ray”)
    • Stabe (Disposable)
  9. What are the Rinn XCP –ORA holders
    (One Ring and Arm) aka “Universal”
  10. What is the Collimator
    Restricts size and shape of xray beam
  11. In comparison to the paralleling technique with the bisecting technique the receptor is placed
    as close to tooth as possible
  12. In comparison to the paralleling technique with the bisecting technique the occlusal plane is
    parallel to the floor
  13. Three types of bisecting film holders
    • EEZEE Grip
    • Stabe
    • Bitewing Tabs
  14. What do the red blue and yellow colors signify in the Rinn/XCP equipment
    • Red - BWS
    • Blue - Anterior
    • Yellow- Posterior
    • Blue and red are the same
  15. The periapical radiograph captures what part of the tooth
    The entire root and crown
  16. The bitewing radiograph captures what part of the tooth
    maxillary and mandibular crowns
  17. Bitewing radiographs provide the most accurate assessment of
    interproximal caries and alveolar crest bone
  18. What is the criteria for vertical bitewings
    • Dental Implants
    • Periodontal Patients
    • Multiple restorations
  19. What is the definition of overlap and what is the cause of it
    • The superimposition of one tooth over a part of the adjacent tooth
    • Caused by incorrect horizontal angulation
  20. What are the three functions of occlusal radiographs
    • Monitor growth and development (presence or absence of teeth, eruption patterns)
    • Localize impacted tooth or foreign object
    • Identify Pathology
  21. What is the receptor size and angulation for adult occlusal radiographs
    • Size 4
    • Max +65
    • Mand -55
  22. What is the receptor size and angulation for child occlusal radiographs
    • Size 2
    • Max +60
    • Mand -55
  23. Positive angulation has the PID aimed
    towards the floor
  24. Negative angulation has the PID aimed
    towards the ceiling
  25. What is the film badge called and what does it measure
    • Dosimeter
    • absorbed radiation
  26. Where are caviwipes never used when taking Panoramic radiographs
    on the digital screen
  27. When taking panoramic x-rays always leave a bite block ________ on unit for the next patient
    without a barrier
  28. Tubehead
    Metal housing that contains the xray tube where xrays are produced
  29. What do anterior bitewings consist of
    • Three vertical exposures from canine to canine with patient in edge to edge occlusion
    • +10 degrees
  30. Open contacts are dependent on
    correct receptor placement and ultimately correct horizontal angulation
  31. Proper receptor placement is placed so that the central rays is ______ to the receptor
  32. What are size 3 x-rays used for
    only for bitewing radiographs (horizontal) and in a single series (SBWX):
  33. In the placement of the bitewing receptor use the mandibular teeth to
    place the bite block in prescribed area
  34. In the placement of the bitewing receptor use the maxillary teeth to
    line up where the Central Ray will be projected
  35. What tooth is the approximate center for a premolar bitewing
    Mand 2ndpremolar
  36. Key interproximal contact for a molar bitewing is the receptor placed so that horizontal angulation of PID will be directed
    between the maxillary 1st and 2nd molar
  37. For technique evaluation purposes Whenever interproximal spaces are overlapped=
    “H” for horizontal angulation error
  38. For technique evaluation purposes Whenever occlusal surfaces overlap=
    “V” for vertical angulation error
  39. Centering= what kind of error
    cone cut
  40. Key interproximal space for a premolar bitewing has the primary beam directed between the
    MAXILLARY 1st and 2nd pre molar contact
Card Set
Radiology PP-B/C/D
Radiology PP-B/C