A. Metallic bind
B. Transparency
C. Chemical bond
D. B and C
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 - When selection the colour of cement to use for cementing a porcelain jacket crown, the powder being tested is best mixed with______________?
A. Glycerin-water solution
B. Cement liquid
C. Alcohol
D. Only water - In porcelain metal elements are embedded in the matrix of________________?
A. Rubber matrix
B. Glass
C. Plastic
D. Resin matrix - 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 - When porcelain is basked against metal, it should possess a________________?
A. high fusion expansion
B. high fusion temperature
C. linear coefficient of thermal expansion less than but close to that of metal
D. Linear coefficient of thermal expansion greater than, but close to that of the metal - The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?
A. Impaction
B. Gingivitis
C. Occlusal wear
D. Gingival recession - 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 - The portion of DNA in Which RNA polymerase binds and starts transcription is called______________?
A. Terminator
B. Anti terminator
C. Operator
D. Promoter region - The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are______________?
A. Integrin a6-B4
B. The catenins desmoplakin
C. cadherins desmoglein
D. a and B catenin - Drug binds to activate the receptor is same fashion, which directly or indirectly brings effect, is_____________?
A. Inverse agonist
B. Antagonist
C. Agonist
D. Partial agonist
