Question 495 · LDEK · Endodontic instruments
Indicate the most common length of hand files marked as L1 in ISO standardization:
- A. 16 mm.
- B. 21 mm.
- C. 25 mm.
- D. 28 mm.
- E. 31 mm.
Hint
In the figure L1 spans only the fluted cutting part of the file, not the whole instrument from tip to handle.
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