Podcast
Questions and Answers
What is the main advantage of the zinc polycarboxylate cement in terms of bonding to enamel and dentin?
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?
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?
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?
Why are gold alloys surface sandblasted before bonding with zinc polycarboxylate cement?
What makes zinc polycarboxylate cement opaque?
What makes zinc polycarboxylate cement opaque?
Which property of zinc polycarboxylate cement makes it useful as a base under amalgam restorations?
Which property of zinc polycarboxylate cement makes it useful as a base under amalgam restorations?
What is the bond strength of zinc polycarboxylate cement to enamel?
What is the bond strength of zinc polycarboxylate cement to enamel?
What role does the flow and setting of zinc polycarboxylate cement play in its bonding to tooth surfaces?
What role does the flow and setting of zinc polycarboxylate cement play in its bonding to tooth surfaces?
Why does zinc polycarboxylate cement exhibit superior bond strengths with base metal alloys?
Why does zinc polycarboxylate cement exhibit superior bond strengths with base metal alloys?
In what dental application would the reinforced types of zinc polycarboxylate cement serve as a temporary filling material?
In what dental application would the reinforced types of zinc polycarboxylate cement serve as a temporary filling material?
