Endodontics · single question
Placing a topical (intracanal) anesthetic gel inside the root canal during endodontics is problematic because it:
Show answer and explanation
Correct answer: A. Coats the canal walls and interferes with cleaning/obturation seal
- A. Correct. The gel films the canal walls, hindering irrigation, debridement, and the seal of the obturation material.
- B. It does not sterilize the canal.
- C. It does not strengthen dentin.
- D. It worsens—rather than improves—the apical seal.