A. Same as porcelain
B. More than porcelain
C. Less than porcelain
D. More than or equal to porcelain but not less
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Related Mcqs:
- Linear coefficient of thermal expansion of metal used for metal caramic restoration range from________________?
- A. 11.5-12.5×10-6/°C B. 10.5-11.5×10-6/°C C. 13.5-14.5×10-6/°C D. 16.5-17.5×10-6/°C...
- 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...
- Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ?
- A. Microfilled composite resins B. Pure gold C. Silver amalgam D. Type II Glass ionomer cement...
- Coefficient of thermal expansion of which of following is most similar to that of tooth ?
- A. Gold inlay B. Acrylic resin C. Silicate cement D. Gold foil...
- In a metal ceramic crown for a FPD the function of tin, indium which are readily oxidized minor constituents is to________________?
- A. Improve bonding B. Decrease porosity C. They react with the porcelain opaque layer, which masks the metal D. Improves the thermal expansion between the metal and porcelain...
- Ideal requirement of metal ceramic casting____________?
- A. Low fusing ceramic and high fusing alloys B. Matching of coefficients of thermal expansion of ceramics and alloy C. Bonding between ceramic and alloy D. All of the above...
- Machineable glass ceramic is________________?
- A. Cerestore B. Decor MGC C. Infusium D. Leucite...
- Flux used in dental ceramic is________________?
- A. Alumina B. Silica C. Kaolin D. Boric oxide...
- The main purpose of adding metallic oxides in ceramic is________________?
- A. Colour matching B. Transparency C. Opacity D. None of the above...
- The gold alloys used for casting contain at least…. percent of precious metal according to ADA specification number 5________________?
- A. 55 B. 65 C. 75 D. 85...
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