Question 389 · LDEK · Access and canal preparation

Indicate the correct statement concerning techniques of root canal preparation:

  1. A. standardized technique is recommended in straight and curved canals.
  2. B. anticurvature technique is used to avoid a strip perforation of the root canal furcal wall.
  3. C. balanced force technique involves introducing a small size instrument to a previously established working length to remove accumulated debris from the root canal and to maintain canal patency.
  4. D. when Ni-Ti rotary instruments are used the canals are usually prepared using the step-back technique.
  5. E. in crown-down technique the apical part of the root canal is prepared first, and then the coronal part.
Hint

One option correctly links a named preparation technique with the specific iatrogenic error it was designed to prevent.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Conservative dentistry