Endodontics · single question
A radiograph shows a radiolucent gap between the apical end of a post and the remaining gutta-percha. This most likely indicates:
Show answer and explanation
Correct answer: A. Improper post space preparation or cementation technique
- A. Correct. A void between post and gutta-percha reflects a procedural error in preparing or seating/cementing the post, leaving an unsealed space.
- B. Incorrect. Healed bone would not appear as a gap inside the canal between restorative materials.
- C. Incorrect. Apexification creates an apical calcified barrier, not a mid-canal void.
- D. Incorrect. A second canal is a separate anatomic channel, not a gap within an obturated/posted canal.