Question 350 · LDEK · Endodontic instruments

The diameter of yellow manual endodontic files may have at the DO point:

  1. A. 0.08 mm, 0.2 mm, 1.2 mm.
  2. B. 0.1 mm, 0.5 mm, 1.5 mm.
  3. C. 0.2 mm, 0.5 mm, 1 mm.
  4. D. 0.3 mm, 0.5 mm, 1.2 mm.
  5. E. 0.1 mm, 0.3 mm, 0.9 mm.
Hint

From size 15 upwards the ISO colour code repeats in a six-colour cycle, so find every size that falls on yellow.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Conservative dentistry