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Dental Cements in Dentistry Chapter 2 Quiz

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Dental Cements in Dentistry Chapter 2 Quiz

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Questions and Answers

What is the main advantage of the zinc polycarboxylate cement in terms of bonding to enamel and dentin?

Superior bond strengths with base metal alloys

Chemical bonding through carboxylic groups (correct)

Mechanical interlocking due to flow

Mechanical interlocking into irregularities

What type of cementation is zinc polycarboxylate cement suitable for?

Base under amalgam

Temporary cementation (correct)

Surgical & periodontal pack

Permanent cementation

What contributes to the mechanical interlocking of zinc polycarboxylate cement with tooth structure?

Bond strength of 8 MPa to dentin

Chemical bonding with enamel

Flow and setting into irregularities (correct)

High modulus of elasticity

Why are gold alloys surface sandblasted before bonding with zinc polycarboxylate cement?

To allow mechanical interlocking Signup and view all the answers

What makes zinc polycarboxylate cement opaque?

Presence of unreacted ZnO particles Signup and view all the answers

Which property of zinc polycarboxylate cement makes it useful as a base under amalgam restorations?

High modulus of elasticity Signup and view all the answers

What is the bond strength of zinc polycarboxylate cement to enamel?

$8$ MPa Signup and view all the answers

What role does the flow and setting of zinc polycarboxylate cement play in its bonding to tooth surfaces?

Facilitating mechanical interlocking with surface irregularities Signup and view all the answers

Why does zinc polycarboxylate cement exhibit superior bond strengths with base metal alloys?

It forms a mechanical bond with the alloy surfaces Signup and view all the answers

In what dental application would the reinforced types of zinc polycarboxylate cement serve as a temporary filling material?

Endodontic sealer applications Signup and view all the answers