Endodontics · single question

All are commonly used endodontic irrigants EXCEPT:

  1. EDTA
  2. Chlorhexidine (CHX)
  3. Sodium hypochlorite (NaOCl)
  4. Chloroform
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Correct answer: D. Chloroform

CHLOROFORM is NOT an endodontic irrigant — it is a solvent historically used to soften gutta-percha during retreatment. Current standard irrigants: NaOCl (main — antimicrobial, dissolves organic tissue), EDTA (chelator — removes smear layer), CHX (antimicrobial, substantivity).

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