A. Translucency
B. Refractive optics
C. Metamerism
D. Opacification
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Related Mcqs:
- For porcelain fused to metal crown, the porcelain should have ______________?
- A. High fusion expansion B. High fusion temperature C. Linear coefficient of thermal expansion less than that of metal D. Linear coefficient of thermal expansion more than that of metal...
- Quartz is Dental porcelain is______________?
- A. Strengthener B. Binder C. Pigment D. Crack minimzer...
- Porosity in porcelain at condensation stage depends on_________________?
- A. Shape and size of particle B. Uniform distribution of particle size C. Number of particles D. None of the above...
- In porcelain metal elements are embedded in the matrix of________________?
- A. Rubber matrix B. Glass C. Plastic D. Resin matrix...
- Porcelain binds to metal in PFM crown by_________________?
- A. Metallic bind B. Transparency C. Chemical bond D. B and C...
- Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ?
- A. Carbide bur B. Diamond bur C. Stainless steel bur D. Diamond but for porcelain and carbide bur for metal...
- Stage recognized in the firing of dental porcelain given below. Which of state is not correct ?
- A. Cold stage bisque B. Low bisque C. Medium bisque D. High bisque...
- Porosity in porcelain can be prevented by_______________?
- A. Thoroughness of condensation B. Rapidity of firing C. High firing temperature D. All of the above...
- Porcelain is best fired__________________?
- A. In open air B. Under air compression C. When several layer are fired simultaneously D. Under minimum pressure...
- To prevent porosity in dental porcelain it should be backed________________?
- A. Boric oxide B. In vacuum C. For long period D. Under pressure...
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