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Exam 13: Dental Cements

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Question 21

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Match the items with the correct description below. -Base/High-strength base

A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage, stimulate reparative dentin, or act as a pulp capping
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation
D) Thick, putty-like, condensable material that can be rolled into a ball or rope, suitable for use as a base
E) Less viscous, flows easily, can be drawn to a 1-inch string with a spatula, suitable for luting

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Question 22

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Which of the following cements should not be used under composites or as temporary cements before final cementation with hybrid glass ionomer or resin cements?

A) Zinc phosphate cement
B) Zinc polycarboxylate cement
C) Zinc oxide eugenol cement
D) Glass ionomer cement

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Question 23

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Match the items with the correct description below. -Varnish

Which of the following cements is used as a direct pulp-capping agent when very small exposures of the pulp are suspected?

Match the items with the correct description below. -Liner/Low-strength base

When cement is mixed to deliver a permanent crown, the mixture should be mixed:

The primary purpose for placing calcium hydroxide is to:

Which of the following statements is true concerning the acidity of zinc phosphate cement?

Most metal-free restorations can be cemented only with which of the following cements?

Which of the following would not be used as pulpal protection under a restoration?

To lower the setting time of certain cements, one must:

Try-in paste is used to:

Zinc polycarboxylate cement is no longer usable when it:

Expansion of _______________ cement as it absorbs moisture after setting is a concern, making the cement less desirable for cementation of all-ceramic indirect restorations because of the risk of fracture.