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Questions and Answers
Dental impression materials exhibit very less ______ deformation when they are subjected to bending or tensile stresses.
Dental impression materials exhibit very less ______ deformation when they are subjected to bending or tensile stresses.
elastic
Impression materials fracture without exhibiting any ______ deformation if the stress from applied pressure exceeds their tensile, shear, or compressive strength values.
Impression materials fracture without exhibiting any ______ deformation if the stress from applied pressure exceeds their tensile, shear, or compressive strength values.
plastic
Impression compound is a ______ material that softens by heat and becomes rigid when cooled.
Impression compound is a ______ material that softens by heat and becomes rigid when cooled.
thermoplastic
Impression compound is supplied as a ______ or stick.
Impression compound is supplied as a ______ or stick.
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When impression compound is heated in a hot water bath, the material starts to soften at approx. ______°C.
When impression compound is heated in a hot water bath, the material starts to soften at approx. ______°C.
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Impressions with compound should be made above the temperature of ______ °C.
Impressions with compound should be made above the temperature of ______ °C.
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The material is ______ when cooled.
The material is ______ when cooled.
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ZOE impression material is popular for making ______.
ZOE impression material is popular for making ______.
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The composition of ZOE includes ______, eugenol, and filler.
The composition of ZOE includes ______, eugenol, and filler.
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Some patients are irritant to ______.
Some patients are irritant to ______.
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