Question 88 · LDEK · Root canal obturation

Solubility in tissue fluids and gradual material resorption are disadvantages of the following sealants:

1) zinc oxide-eugenol based sealants;
2) sealants based on synthetic resins;
3) sealants based on natural resins;
4) sealants based on calcium dihydroxide.
The correct answer is:
  1. A. all the above.
  2. B. 1,2.
  3. C. 3,4.
  4. D. 2,3.
  5. E. 1,4.
Hint

Ask which sealer groups are known to wash out in tissue fluids over time and which are dimensionally stable and poorly soluble.

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