Question 119 · LDEK · Access and canal preparation
Indicate the correct statement concerning the master apical file (MAF):
- A. is the first file which reaches the working length.
- B. is a file 3 sizes wider than the initial file.
- C. corresponds to the minimum diameter of the root apex.
- D. it should be disposed after a single use.
- E. its diameter is 2-4 mm bigger than the end of the final file (FF).
Hint
Distinguish the file that first binds at working length from the largest file taken to working length, which sets the apical preparation size.
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