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GCSC Dental Radiology: Test Two - Examination with 100% Correct Answers, Exams of Nursing

Welder Training and Testing InstituteNursing

A series of questions and answers related to dental radiology techniques, specifically focusing on the bisecting and paralleling techniques. It covers topics such as vertical and horizontal angulation, film placement, image distortion, and mounting methods. Designed to help students understand and practice the concepts of dental radiology.

Typology: Exams

2024/2025

Available from 11/16/2024

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Martin-Ray-1 🇺🇸

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GCSC Dental Radiology: Test Two
Examination with 100% Correct Answers
1. When the bisecting technique is used, which angle is bisected? -
Correct Ans: ✔✔The angle formed by the film and the long axis
of the tooth
2. When the bisecting technique is used, the central ray is directed
at 90 degrees to the___________? - Correct Ans: ✔✔Imaginary
bisector (line)
3. Which size film is traditionally used with the bisecting technique?
- Correct Ans: ✔✔2
4. With the bite-wing technique, the vertical angulation is
predetermined; the central ray is directed at _____ degrees to the
occlusal plane - Correct Ans: ✔✔+10
5. With the _____ technique, the vertical angulation is determined
by the imaginary bisector; the central ray is directed
perpendicular to the imaginary bisector. - Correct Ans:
✔✔Bisecting
pf3
pf4
pf5

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Download GCSC Dental Radiology: Test Two - Examination with 100% Correct Answers and more Exams Nursing in PDF only on Docsity!

GCSC Dental Radiology: Test Two

Examination with 100% Correct Answers

  1. When the bisecting technique is used, which angle is bisected? - Correct Ans: ✔✔The angle formed by the film and the long axis of the tooth
  2. When the bisecting technique is used, the central ray is directed at 90 degrees to the___________? - Correct Ans: ✔✔Imaginary bisector (line)
  3. Which size film is traditionally used with the bisecting technique?
    • Correct Ans: ✔✔ 2
  4. With the bite-wing technique, the vertical angulation is predetermined; the central ray is directed at _____ degrees to the occlusal plane - Correct Ans: ✔✔+
  5. With the _____ technique, the vertical angulation is determined by the imaginary bisector; the central ray is directed perpendicular to the imaginary bisector. - Correct Ans: ✔✔Bisecting
  1. Foreshortened images refer to images of the teeth that appear ________. This results from _______ vertical angulation. - Correct Ans: ✔✔-Shortened and - Excessive
  2. Elongated images refer to images of the teeth that appear _______. This results from ______ vertical angulation - Correct Ans: ✔✔-Elongated and - Insufficient
  3. What is the primary disadvantage of the bisecting technique when contrasted with the paralleling technique? - Correct Ans: ✔✔Dimensional distortion
  4. Horizontal angulation refers to the placement of the position- indicating device (PID) in a/an ________ plane. - Correct Ans: ✔✔Side-to-side
  5. Vertical angulation refers to the positioning of the PID in a/an ______ plane. - Correct Ans: ✔✔Up-and-down
  6. For the maxillary premolar exposure, the front edge of the film should be aligned with the midline of the maxillary_________. - Correct Ans: ✔✔Canine

film placement? - Correct Ans: ✔✔Use a cotton roll to fill the void where the tooth should be to maintain the correct positioning and to aid in comfort to the patient

  1. For the premolar bite-wing exposure, the PID is positioned far enough forward to cover both maxillary and mandibular_____________ - Correct Ans: ✔✔Canines
  2. For the molar bite-wing exposure, the front edge of the film should be aligned with the midline of the ______ _______ ______. - Correct Ans: ✔✔Mandibular second premolar
  3. The imaginary line that runs from the ________ to the __________ is kept parallel to the floor during maxillary projections - Correct Ans: ✔✔  - Tragus  - Ala of the nose
  4. Why is a 16 inch PID preferred over an 8 inch PID when using the Paralleling technique? - Correct Ans: ✔✔A longer PID and target-receptor distance results in less image magnification
  5. Which teeth tilt lingually? - Correct Ans: ✔✔Mandibular molars
  1. Which teeth tilt buccally? - Correct Ans: ✔✔All maxillary teeth and mandibular anteriors
  2. Which teeth tilt vertically? - Correct Ans: ✔✔Mandibular premolars
  3. Which mounting method is preferred? Is the identification dot raised or convex in this method? - Correct Ans: ✔✔  - Labial mounting  - Raised
  4. Who is qualified to mount dental radiographs? - Correct Ans: ✔✔Any trained dental professional
  5. What order are radiographs placed into a mount? - Correct Ans: ✔✔  - Bitewings  - Maxillary anterior PAs  - Mandibular anterior PAs  - Maxillary posterior PAs  - Mandibular posterior Pas
  1. If there are tori in the patient's mouth, the film should be placed _____________________. - Correct Ans: ✔✔On the far side of the torus
  2. All crowns and roots of the first, second, and third molars, including the apices, alveolar crests, contact areas, surrounding bone, and tuberosity region, must be seen on the _______ radiograph - Correct Ans: ✔✔Molar Periapical
  3. When the bisecting technique is used, the film must be placed along the _____ surface of the tooth. - Correct Ans: ✔✔Lingual