A. Increasing the mechanical strength

C. Decreasing the coefficient of thermal expansion

D. Reducing the polymerization shrinkage

B. Composites

C. Polycarboxylate

D. Amalgam

A. Cold

B. Heat

C. Pressure

A. Low accuracy

C. Least permanent deformation

D. Highest curing shrinkage

A. Gelation increase in both on increase in temperature

B. Mixing time is increased to reduce the setting time

D. Both can be re-used for fresh impressions

A. 18% Carbon 8% Iron

B. 18% Chromium 8% Cobalt

C. 18% Nickel 8% Chrominum

A. Hydrogen

C. Natural gas

D. Acetylene

A. Type I Soft

B. Type III Hard

C. Type II Hard

A. Concentration of potassium sulphate

C. Concentration of filler and plasticizer

D. Percentage composition by weight of water

A. Carbon carbide

C. Nickel carbide

D. Iron carbide

A. Platinum salt catalyst

C. Aromatic sulfonate esters

D. Stannous octate

A. Plasticier

C. Retarder

D. Modifier

A. Remain distortion free up to 72 hrs. pouring can be safely delayed

B. Degradation is presence of moisture

D. High flow property

B. Adding a small amount of glycerine

C. Cooling mixing slab

D. Altering the amounts of the two pastes used

A. Syneresis

B. Imbibition

D. Hysterisis

A. High Molecular Weight

C. High Fusion Temperature

D. Co-efficient of Thermal Expansion

B. Suckback porosity

C. Localized shrinkage porosity

D. Microporosity

B. Grain growth stage

C. All of the above

D. Recovery stage

B. Dry strength

C. Water strength

D. Compressive strength

A. Putty wash technique of impression reduces dimensional change of setting

B. Improper mixing of material can cause permanent deformation of impression

C. Shear thinning is related to viscosity of non phase impression material

B. Alpha form

C. None of the above

D. Beta form

A. 55

B. 85

C. 65

A. Zinc Oxide eugenol (ZOE) paste

B. Impression compound

C. Wax

B. Germanium

C. Molybdenum

D. Chromium

A. Agar agar

C. Zinc oxide eugenol

D. Elastomers

B. 2 mm

C. 2-4 mm

D. Greater than 3 mm

A. A and B

B. Polyether

D. Addition Polysilicon

A. Dental hard tissues

B. None of the above

C. Oral mucosal tissues

A. Magnesium oxide & Phosphoric acid

C. Magnesium oxide & Ortho Phosphoric acid

D. Magnesium oxide & Phosphate

B. Carnauba

C. Canadelila

D. Paraffin

B. Conditioning

C. Annealing

D. Degassing

A. addition silicones

B. polysulfides

C. Condensation silicones

A. Impression compound

C. Elastomer

D. Alginate

A. Ferrite to austenite

B. Austenite to ferrite

C. Martensite to austenite

A. Phosphoric acid

B. Nitric acid

D. Sulphuric acid

A. Cr, Gold, Ti

B. Cr, Fe, Ti

D. Cr, Mo, Ti

A. Temperature not relevant

B. Greater than the substrate material

C. Equal to the substrate material

A. Dimensional change

C. Thermal conductivity

D. Warpage

A. Loss of lusture of impression material

B. After the start of appearing elastic properties of impression material

C. Just after the start of appearing elastic properties of impression material

A. Prevent syneresis

B. Prevent distortion

D. Increase gel strength

A. Silica

C. Cristobolite

D. Quartz

A. Condensation silicone

B. Polyether

C. Polysulphide

A. More mucostatic than ZOE

C. Non-elastic impression material

D. Thermoplastic impression material

A. Decreasing the sprue length

B. Increasing the mould temperature

C. Increasing the melting temperature

B. Zno paste

C. Alginate

D. Agar

B. Zinc chloride & Eugenol

C. Glycerin

D. Zinc Sulphate & Eugenol

A. Cobalt

B. Nickel

C. High quality iron

A. Sodium alginate

B. Trisodium phosphate

D. Potassium alginate

B. Decrease toughness

C. To provide a smooth and glossy surface

D. Increase toughness

B. Anti expansion solution

C. Die stones

D. Plaster of paris