Question 514 · LDEK · Endodontic instruments
L₂ symbol on an endodontic file specifies:
- A. length of the handle.
- B. working length, which in most standard files is 16 mm.
- C. working length, which in most standard files is 25 mm.
- D. length of the final section, the tip.
- E. length of the file from its tip to the end of bar.
Hint
L1 is the cutting part; L2 adds the shaft — decide which measurement starts at the tip and ends at the handle.
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