Coefficient of thermal expansion of metal-ceramic alloys is________________?

Dental Ceramics & Miscellaneous 13/04/2020

A. Same as porcelain
B. More than porcelain
C. Less than porcelain
D. More than or equal to porcelain but not less

Related Mcqs:

    Flux used in dental ceramic is________________?
    A. Alumina B. Silica C. Kaolin D. Boric oxide...
    Opaque porcelain________________?
    A. Is Feldspathic glass B. Contains opacifier like zirconium and titanium oxide C. Not used to mask the colour of the cement used in placing of restoration D. Used to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth...
    Ceramics fired to metals are processed by_______________?
    A. Heat pressing B. Machining C. Sintering D. Slip casting...
    The most toxic form of mercury is_________________?
    A. Methyl and ethyl mercury B. Mercury vapour C. Inorganic mercury forms D. Mercury sulphide...
    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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