What is the most frequently used restorative material ?

Related Mcqs:

1. Why GIC is best restorative material in children_____________?

   A. High strength
   B. Good marginal integrity
   C. It can bond enamel & dentin
   D. It has less occlusal wear

2. The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?

   A. 50 – 60 KHN
   B. 25 – 35 KHN
   C. 15 – 20 KHN
   D. 40 – 48 KHN

3. A restorative material which has a high proportional limit, compared with one with a lower proportional limit would have________________?

   A. Greater ductility
   B. Greater toughness
   C. A higher modulus of elasticity
   D. A higher modulus of elasticity
   E. More resistance to permanent deformation

4. What is the disadvantage of using composites as restorative material ?

   A. Increased thermal conductivity
   B. Decreased wear resistance
   C. Decreased thermal conductivity
   D. None of the above

5. 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

6. The function of the coupling agent in a restorative resin is to allow______________?

   A. Adhesion of resin particles
   B. Bonding between filler crystals
   C. Bonding between filler and resin
   D. Bonding between tooth and resin

7. Alginate impression material is similar to Agar-agar impression material in the following respect________________?

   A. Gelation increase in both on increase in temperature
   B. Mixing time is increased to reduce the setting time
   C. Deformation during removal of impression occurs due to distortion of gel fibers
   D. Both can be re-used for fresh impressions

8. Green stains which occur frequently in children are due to_________________?

   A. Enamel deficiency
   B. Dentin deficiency
   C. Material alba
   D. Chromogenic bacteria

9. Anti-convulsants frequently used in management of trigeminal neuralgia are_______________?

   A. Phenytoin
   B. Gabapentin
   C. Baclofen
   D. All of the above

10. Ameloblastoma most frequently occurs in:___________?

    A. Mandibular moral region
    B. Maxillary molar region
    C. Mandibular premolar region
    D. Maxillary premolar region