Linear coefficient of thermal expansion of metal used for metal caramic restoration range from________________?

Related Mcqs:

1. Coefficient of thermal expansion of metal-ceramic alloys is________________?

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

2. 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

3. 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

4. Coefficienty of thermal expansion of tooth enamel is closest to_______________?

   A. Slicate cement
   B. Composite
   C. GIC
   D. Polycarboxylate

5. Co-efficient of thermal expansion is highest for_____________?

   A. Amalgam
   B. Silicate cement
   C. Gold alloy
   D. Acrylic resin

6. 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

7. The pattern for the metallic framework of a removable partial denture is fabricated from________________?

   A. Inlay wax type-II
   B. Boxing wax
   C. Modelling wax
   D. Casting wax

8. A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

   A. Dimensional change
   B. Thermal conductivity
   C. Warpage
   D. Tarnish and corrosion

9. Who was the first person to introduce cast inlay restoration into dentistry ?

   A. William H Taggart
   B. Buonocore
   C. G.V. Black
   D. Bowen

10. Which of the following will produce the most rigid restoration for framework of same dimension ?

    A. Wrought alloy
    B. Palladium alloys
    C. Cobalt-chrome alloys
    D. Partial denture casting gold in hardened condition