Dental Materials Properties

Dental impression materials exhibit very less ______ deformation when they are subjected to bending or tensile stresses.

Impression materials fracture without exhibiting any ______ deformation if the stress from applied pressure exceeds their tensile, shear, or compressive strength values.

Impression compound is a ______ material that softens by heat and becomes rigid when cooled.

Impression compound is supplied as a ______ or stick.

When impression compound is heated in a hot water bath, the material starts to soften at approx. ______°C.

Impressions with compound should be made above the temperature of ______ °C.

The material is ______ when cooled.

ZOE impression material is popular for making ______.

The composition of ZOE includes ______, eugenol, and filler.

Some patients are irritant to ______.