Question 530 · LDEK · Endodontic instruments
Choose correct statement regarding the similarities and differences between endodontic instruments marked with the symbols .02 and .04:
- A. both .02 and .04 instruments are in the same diameter in D₀ point, and different in D₁₆.
- B. .02 instruments allow for wider shaping of the coronal part of the canal.
- C. .04 instruments provide less resistance during rotational movement in the canal.
- D. .02 instruments are usually produced as shorter in comparison to .04 ones.
- E. .02 and .04 instruments are produced from different materials.
Hint
Taper describes how much the diameter grows per millimetre from the tip, while the ISO number refers to the tip diameter.
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