A. High ductility
B. High hardness
C. Low esthetic value
D. Susceptibility to brittle fracture
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Related Mcqs:
- The castability of chromium-cobait base metal alloys when compared to gold based noble metal alloys is_______________?
- A. More B. Less C. Equal D. Depends on the alloy type...
- Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?
- A. Platinum B. Copper C. Silver D. Gold...
- The deoxidizing agent added to dental alloys is______________?
- A. Palladium B. Silver C. Copper D. Zinc...
- The term ordered hardening heat treatment used in which of the following dental alloys ?
- A. Gold-Copper B. Nickel-Chromium C. Nickel-Titanium D. Silver-Palladium...
- Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?
- A. Chromium B. Indium C. Irridium D. Palladium...
- High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?
- A. Have less marginal breakdown B. Are workable at lower Hg-alloy ratio C. Have a higher ratio of tensile to compressive strength D. Have less resistance to tarnish and corrosion...
- Powders of dental plaster and dental stone differ mainly in____________?
- A. Solubility B. Shelf life C. Chemical formula D. Particle porosity...
- The main difference between dental stone and dental plaster is______________?
- A. Chemical composition B. Self life C. Sharpe and size of particles D. Solubility in water...
- The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?
- A. 19 B. 20 C. 21 D. 26...
- The opacity in ceramics is achieved by adding_______________?
- A. Boric oxide B. Copper oxide C. Silica D. Titanium oxide...
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