Question 560 · LDEK · Access and canal preparation
Secondary access opening for endoscopic retreatment refers to:
- A. achieving chamber access in the course of repeat endodontic treatment due to reinfection of the canal system.
- B. preparation of additional canal orifices in the course of retreatment due to reinfection of the canal system.
- C. preparation of canal orifices including parts located on the chamber floor both during the initial as well as during repeat endodontic treatment.
- D. projection of expected root canal orifices with a prepared pulp chamber and its recesses.
- E. preparation of the apical parts of the roots during repeat root canal treatment.
Hint
Endodontic access has two stages — first the chamber, then the canals; think about what the second stage involves and when it is done.
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