Question 60 · LDEK · Irrigation and intracanal medicaments

Indicate which irrigant can replace EDTA and sodium hypochlorite to remove the smear layer:

  1. A. hydrogen peroxide.
  2. B. citric acid.
  3. C. chlorhexidine.
  4. D. calcium hydroxide.
  5. E. physiological saline.
Hint

Look for an agent that, like EDTA, removes the inorganic component of the smear layer by binding calcium.

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