All of the following can be used to slow down the setting of Zinc oxide eugenol impression paste EXCEPT_________________?
Correct answer: B. Adding a small amount of water
- A. Adding a small amount of glycerine
- B. Adding a small amount of water
- C. Altering the amounts of the two pastes used
- D. Cooling mixing slab
Explanation
A small amount of water generally accelerates the zinc oxide-eugenol reaction, whereas glycerine, a cooler slab, or altering the paste ratio can delay setting. Therefore water is the exception.
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