B. Hyper rigidity

C. Corrosion resistance

D. Weldable properties

A. Exposure of collagen fibers

C. Opening of dentinal tubules

D. Removal of smear layer

A. Denture base

C. Anterior restorations

D. Temporary bridges

A. Gold alloy

C. Silicate cement

D. Amalgam

A. Composites

C. Amalgam

D. Polycarboxylate

B. Inter atomic movement

C. Arrangement of molecules

D. Inter atomic imbalance

A. None of the above

B. Stroma

D. Nucleus

A. Surface hardness

C. Tissue compability

D. Internal color

A. Anealing

B. Cold working

C. Work hardening

A. Chelane

B. Parabane

D. Ligane

A. Insufficient acrylic resin monomer

C. A prolonged curing cycle

D. Prolonged bench cooling after curing

A. Composite resin

B. Direct filling gold

C. Amalgam alloy

A. Modulus of elasticity

B. None of the above

C. Yield strength

A. Helps in visualization while placement

B. Enhance and concentrate the action of acid

D. None of the above

A. To prevent volume expansion

B. To prevent warpage

D. All of the above

A. Modelling wax

B. Inlay wax type-II

C. Boxing wax

A. 1123 Centrigrade

B. 1063 centigrade

C. 850 Centrigrade

A. Poor colour stability

B. Decrease in vertical dimension

D. Less polymerization shrinkage

A. Gas directly to liquid

B. Solid to liquid and then to gas

C. Gas to liquid and then to soild

B. Causes poor quality of colour

C. Causes fracture of denture

D. Causes teeth to be shrunken in investment

A. Hydroquinone

B. Methyl ether

D. Tertiary amine

A. Increases hardness

B. decreases its toughness

D. Increases its toughness

A. Condition the tooth surface for better wetting

B. Increase the surface area

D. Create surface irregularities in enamel for better mechanical retention of resin

A. Ionic bond

C. Vanderval forces

D. Covalent bond

B. Packing past the dough stage

C. Thickness of the resin

D. Lack of temperature

A. Ductility of a material

C. Malleability of the metal

D. Ability to be stretched with permanent deformation

A. Only Hydrophilic component

C. Lyophillic and lyophobic component

D. Only Hydrophobic component

A. Increasing the mechanical strength

C. Reducing the polymerization shrinkage

D. Decreasing the coefficient of thermal expansion

A. The former have a lower molecular weight

B. The former have higher residual monomer content

D. The former are more porous

A. Ultimate strength

C. Tensile strength

D. Proportional limit

A. Rockwell hardness number

C. Knoop hardness number

D. Vickerss hardness number

B. Surface texture of the adherent

C. Nature of the adherent that is crystalline or amorphous

D. Surface tension of the adherent

A. Age hardening

C. Tempering

D. Precipitation hardening

A. Copper

B. Carbon content

C. Silica content

A. Produce a smoother casting

B. Increase thermal expansion

D. Increase setting expansion

B. They react with the porcelain opaque layer, which masks the metal

C. Improves the thermal expansion between the metal and porcelain

D. Decrease porosity

A. Steel ball indentation

B. Rhomboid shaped indenter

C. Spherical indenter

A. Reflector

B. Opaque

C. Translucent

A. Wax

C. Gold alloy

D. Colloidal silica

A. 450 mw/cm2

C. 350 mw/cm2

D. 400 mw/cm2

A. Tensile strength

B. Youngs modulus

D. Modulus of elasticity

A. Silicates

B. Zinc particles

D. Aluminium

A. BHN

B. RHN

C. VHN

A. Packing past the dough stage

C. Thickness of the resin

D. Lack of temperature

A. 0.6% to 0.8%

B. 8% to 10%

C. 3% to 5%

A. Aluminium

B. Silicates

C. Zinc particles

A. Evaluate brittleness of different alloys

B. Define and measure colour qualitatively

D. Define and measure physical properties of gold alloys

A. Decrease coefficient of thermal expansion

B. Decrease porosity in restorative material

D. Decrease polymerization shrinkage

A. Low impact strength

C. Excessive expansion

D. Excessive brittleness

A. An external force opposing an applied load

C. An applied load or force

D. An internal force opposing an applied load