25 Questions
What is the main use of impression compound?
Making impressions of edentulous mouth
Which component of impression compound acts as a plasticizer?
Stearic acid
How does impression compound set?
Physical change
What is the function of waxes in impression compound?
Provides thermoplasticity
Which material reduces flow at mouth temperature in impression compound?
Diatomaceous earth
What is the classification of impression compound?
Inelastic and hydrophobic
How does impression compound behave when heated?
It softens
What is the alternative name for impression compound?
Both a and b
What is the primary use of impression compound?
Making impressions of edentulous mouth
Which component of impression compound provides thermoplasticity and gives the qualities of flow and cohesion?
Natural or synthetic resin
What is the function of waxes in impression compound?
Provide thermoplasticity and characterize the softening temperature
How does impression compound behave when heated?
It softens
Which material acts as a plasticizer in impression compound to improve plasticity and workability?
Stearic acid, shellac, and gutta-percha
Which component of impression compound acts as a filler to increase strength and reduce flow at mouth temperature?
Diatomaceous earth, French chalk, or talc
What is the classification of impression compound based on its behavior when heated and cooled?
Inelastic and hydrophobic
What is the alternative name for impression compound?
Dental plasticine
What is the main setting reaction mechanism of impression compound?
Physical change
What is the main function of natural or synthetic resin in impression compound?
Provides thermoplasticity and gives the qualities of flow and cohesion
Which material in impression compound acts as a plasticizer to improve plasticity and workability?
Stearic acid, shellac, and gutta-percha
What is the primary use of impression compound?
Making impression of edentulous mouth (primary impression)
Which component of impression compound reduces flow at mouth temperature?
Diatomaceous earth, French chalk, or talc
What is the behavior of impression compound when heated?
It softens without occurrence of a chemical reaction
Which component of impression compound provides thermoplasticity and gives the qualities of flow and cohesion?
Natural or synthetic resin (Copal resin, rosin)
What is the classification of impression compound based on its behavior when heated and cooled?
Inelastic, hydrophobic, mucocompressive
What is the main setting reaction mechanism of impression compound?
Physical change
Learn about impression compound, an inelastic and reversible thermoplastic impression material used in dentistry. Discover its properties, uses, and setting reaction in this quiz.
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