Question 276 (part 2) · LDEK · Impressions and impression materials

VPES impression materials are characterized by:

1) no by-products;
2) high hydrophily;
3) possibility of casting multiple models;
4) mass liquidity;
5) double-snap effect.
Correct answer is:
  1. A. only 5.
  2. B. 2,5.
  3. C. 1,3,4.
  4. D. 1,2,3.
  5. E. all of the above-mentioned.
Hint

VPES combines addition silicone chemistry with polyether hydrophilicity — check each property against both parent materials.

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