Overview of Dental Materials

What is the resistance to deformation or fracture under stress called?

• Strength

• Elasticity

• Plasticity

• Ductility

What is the ability of a material to withstand sudden forces without breaking?

• Impact Strength

• Tensile Strength

• Compressive Strength

• Flexural Strength

What is the measure of a material's resistance to flow?

• Viscosity

• Thixotropy

• Elasticity

• Plasticity

What property indicates how much a material expands with temperature changes?

• Coefficient of Thermal Expansion

• Thermal Conductivity

• Solubility

• Reactivity

What is the ability of dental materials to resist dissolution in oral fluids called?

• Solubility

• Reactivity

• Biocompatibility

• Antimicrobial Properties

What is the term for materials that must be non-toxic and non-irritating to oral tissues?

• Biocompatibility

• Antimicrobial Properties

• Density

• Opacity

What is the ability of two different substances to bond together called?

• Adhesion

• Solubility

• Elasticity

• Plasticity

What is the ability to capture fine details of oral tissues in impression materials?

• Accuracy

• Dimensional Stability

• Ease of Use

• Biocompatibility

What type of impression material is often used for preliminary impressions?

• Alginate

• Polyvinyl Siloxane

• Agar

• Polysulfides

What is the main component of gypsum products used in dentistry?

• Calcium sulfate hemihydrate

• Silicone

• Polysulfide

• Alginate