Question 22 · LDEK · Access and canal preparation
The criteria for proper canal preparation include:
- A. developing a continuously tapered funnel.
- B. maintaining the apical foramen in its original position.
- C. keeping the apical foramen closed.
- D. A and B are correct.
- E. A, B and C are correct.
Hint
Recall Schilder's mechanical objectives and whether preparation is supposed to seal off the apical foramen.
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