Question 463 · LDEK · Irrigation and intracanal medicaments

Indicate a solution for removal of smear layer from the root canal:

  1. A. NaCl solution for removing the organic part of smear layer and EDTA for inorganic part.
  2. B. NaOCl solution for removing the inorganic part of smear layer and EDTA for organic part.
  3. C. NaOCl solution for removing the organic part of smear layer and EDTA for inorganic part.
  4. D. sodium edetate solution for removing the inorganic part of smear layer and citric acid solution for removing the organic part.
  5. E. citric acid solution for removing the inorganic part of smear layer and hydrogen peroxide for removing the organic part.
Hint

Match each irrigant with its target: one dissolves organic tissue, the other chelates calcium.

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