Question 497 · LDEK · Endodontic instruments
If working part of the endodontic file has the conicity of 2%, it means that the file is expanding on each millimeter by:
- A. 0.22 mm.
- B. 0.20 mm.
- C. 0.12 mm.
- D. 0.02 mm.
- E. 0.002 mm.
Hint
Taper is the increase in diameter in mm per millimetre of length; convert 2% into a decimal.
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