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Questions and Answers
What is the thermoplastic behavior of dental impression compound?
What is the thermoplastic behavior of dental impression compound?
- Softens by cooling and hardens by heating
- Softens and hardens at room temperature
- Undergoes no change in temperature
- Softens by heating and hardens by cooling (correct)
What is the primary use of Type I impression compound?
What is the primary use of Type I impression compound?
- Modeling acrylic special tray
- Recording primary impressions (correct)
- Tracing of green compound
- Supporting other impression material
What is the characteristic of Type II impression compound?
What is the characteristic of Type II impression compound?
- Used for modeling acrylic trays
- Low fusing, softens at 45-55o C
- High fusing, softens at 70o C (correct)
- Non-thermoplastic
In what form can dental impression compound be presented?
In what form can dental impression compound be presented?
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Which impression material is suitable for recording primary impressions for edentulous patients?
Which impression material is suitable for recording primary impressions for edentulous patients?
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What is a disadvantage of using Type II impression compound?
What is a disadvantage of using Type II impression compound?
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Which type of impression compound is used as tray material to carry other impression materials?
Which type of impression compound is used as tray material to carry other impression materials?
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What makes dental impression compound a thermoplastic material?
What makes dental impression compound a thermoplastic material?
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