Dentin bonding agents usually contain_____________?

Related Mcqs:

1. Marked reduction in amount of dentin, widening of predentin layer, presence of large area of interglobular dentin and irregular pattern of dentin is seen in______________?

   A. Hypocalcified dentin
   B. Odonto dysplasia
   C. Dentin dysplasia
   D. Dentinogenesis imperfecta

2. Which of the following constituents is common in occlusal sealants, bonding agents, composite resins ?

   A. BIS GMA
   B. Polymethyl methacrylate
   C. Benzoin methyl ether
   D. Silica filter

3. Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following ?

   A. Greater stainability
   B. Lasser content of inorganic salts
   C. greater content of inorganic salts
   D. Greater content of large collagen fibres

4. In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?

   A. Predentin
   B. Mantle dentin
   C. Interglobular dentin
   D. Tertiary dentin

5. Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?

   A. Base to base
   B. Apex to base
   C. Apex to apex
   D. None of the above

6. Bonding of composite resins to tooth structure is by________________?

   A. Covalent bond
   B. Ionic bond
   C. Mechanical
   D. Vanderval forces

7. Dentin conditioner has the following function______________?

   A. Removes smear layer
   B. Increases surface energy of dentin
   C. Forms a thin resin layer over exposed collagen fibrils
   D. Helps in bonding with composite

8. Which one of the following dental cement accelerates the formation of reparative dentin ?

   A. Eugenol
   B. Calcium Hydroxide
   C. Zinc oxide
   D. Silica

9. 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

10. Etching of dentin does not include_____________?

    A. Removal of smear layer
    B. Exposure of collagen fibers
    C. Opening of dentinal tubules
    D. Increases surface energy