Radiology · single question
Digital sensors have all of the following advantages over film EXCEPT:
Show answer and explanation
Correct answer: B. Ease of placement
- A. True advantage — sensors typically require 50-80% less exposure than D-speed film.
- B. Correct. Sensors are thick, rigid and bulky with an attached cable — they are markedly harder to position than flexible film, especially in the mandibular posterior and in patients with a strong gag reflex.
- C. True advantage — contrast, density, magnification and measurement tools are available digitally.
- D. True advantage — the image appears in seconds, with no processing chemistry.