Question 133 · LDEK · Access and canal preparation
In order to avoid operational complications while performing instrumentation of curved canals, there is a need to follow certain rules which include:
- A. prior to the instrumentation of the apex, one should eliminate the cervical curvature.
- B. steel instruments may be precurved, or one can use flexible Ni-Ti files.
- C. in difficult areas rotary instruments with 6% taper should be used.
- D. correct answer is A,B.
- E. correct answer is A,B,C.
Hint
Think about which measures reduce stress on an instrument in a curve and whether a larger taper makes a file more or less flexible.
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