Question 81 · LDEK · Endodontic instruments
Rotational movements may lead to the file being blocked or broken if used with:
1) Hedström file;
2) K-file;
3) K-reamer;
4) rotary NiTi instruments.
The correct answer is:
2) K-file;
3) K-reamer;
4) rotary NiTi instruments.
The correct answer is:
- A. 1,2.
- B. 2,3.
- C. 3,4.
- D. 1,4.
- E. 2,4.
Hint
Consider the angle of the cutting edges of each hand instrument and which instruments are designed to be rotated.
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