Bonding of composite resins to tooth structure is by________________?

Related Mcqs:

1. 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

2. All of the following statements about the differences between self-polymerizing acrylic resins and heat-cured resins are true EXCEPT______________?

   A. The former have a lower molecular weight
   B. The former have higher residual monomer content
   C. The former are more porous
   D. The former have greater transverse strength

3. Radio opacity to composite resins is rendered by_______________?

   A. Silica glass
   B. Organic matrix
   C. Barium glass and strontium glasses
   D. Fluoride particles

4. Composite resins in comparison to acrylic have_______________?

   A. Low compressive strength
   B. High abrasive resistance
   C. High water absorption
   D. High polymerization shrinkage

5. Which one of the following is used as filler in composite resins ?

   A. Quartz
   B. Silicates
   C. Zinc particles
   D. Aluminium

6. Which one of the following is used as filler in composite resins ?

   A. Quartz
   B. Silicates
   C. Zinc particles
   D. Aluminium

7. The last primary tooth to be replaced by a permanent tooth is usually the_____________?

   A. Maxillary second molar
   B. Mandibular second molar
   C. Maxillary canine
   D. Mandibular canine

8. A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

   A. Maxillary central incisor
   B. Mandibular lateral incisor
   C. Maxillary lateral incisor
   D. Maxillary canine

9. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?

   A. Dilaceration
   B. Fusion
   C. Gemination
   D. Concrescence

10. An asymptomatic tooth has deep has deep caries on occlusal surface. Radiograph shows radiopaque mass at apex of the tooth: this mass is most likely to be:____________?

    A. Cementoma
    B. Condensing Osteitis
    C. Chronic apical periodontitis
    D. Acute apical periodontitis