Polysulfides and Polyethers Are Examples of Which Impression Materials

Q20: Galvanization is the chemical release of heat.

Q21: When gold is tempered, it is<br>A) hardened<br>B)

Q22: Impression plaster is used when<br>A) no teeth

Q23: A mix of three metals is called

Q24: The type of gold used for simple

Q26: A type of wax used to set

Q27: Match the term to its correct definition.

Q28: Wax impression material is used<br>A) to record

Q29: Chalk, rouge, tripoli, and tin oxide<br>A) are

Q30: Alginate is which type of impression material?<br>A)