Radiation Health and Safety

Dental Radiography Techniques Practice Questions

20 free Dental Radiography Techniques practice questions for the CDA, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

Start Practice Quiz

Questions

All Dental Radiography Techniques questions

20 questions
  1. Q1. Which radiographic technique is considered the most accurate for periapical imaging?
  2. Q2. Which radiograph is best suited for evaluating interproximal caries?
  3. Q3. In the bisecting angle technique, the central ray is directed perpendicular to which surface?
  4. Q4. What is the recommended vertical angulation for bitewing radiographs?
  5. Q5. Which radiographic series is used to detect early changes in bone levels?
  6. Q6. Which technique reduces magnification and improves image sharpness?
  7. Q7. What positioning error results in overlapping contact areas on a bitewing radiograph?
  8. Q8. Which technique is most appropriate for imaging large areas of the mandible or maxilla?
  9. Q9. What is the primary purpose of the full-mouth radiographic series (FMX)?
  10. Q10. Which radiograph is most appropriate to evaluate the eruption pattern of an impacted canine?
  11. Q11. Which error is caused by insufficient vertical angulation in periapical radiographs?
  12. Q12. Which radiographic technique requires the receptor to be placed as far from the teeth as possible?
  13. Q13. Which type of radiograph is preferred to evaluate apical pathology?
  14. Q14. During bitewing imaging, the receptor should be positioned to capture:
  15. Q15. What is the correct head position for taking bitewing radiographs?
  16. Q16. Which technique helps reduce retakes by stabilizing receptor positioning?
  17. Q17. The lingual mounting method places the radiographs so that:
  18. Q18. Which radiograph is best suited for examining salivary stones?
  19. Q19. Which factor is essential for producing diagnostic radiographs regardless of technique?
  20. Q20. Which image is most helpful in evaluating the relationship of the maxillary sinuses to the roots of maxillary molars?