The most common coupling agents are organic silicon compound called_______________?

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. 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

3. Dentin bonding agents usually contain_____________?

   A. Only Hydrophobic component
   B. Only Hydrophilic component
   C. Hydrophobic and hydrophilic component
   D. Lyophillic and lyophobic component

4. Denture acrylics contain cross-linking agents mainly to improve their_____________?

   A. Internal color
   B. Tissue compability
   C. Surface hardness
   D. Craze resistance

5. Function of wetting agents used in casting procedure is_________________?

   A. To felicitate wetting of ring liner
   B. To felicitate mixing investment
   C. To reduce contact angle of liquid with max surface
   D. For better wax elimination

6. All of the following statements about Type II silicon impression material are true EXCEPT_______________?

   A. They evolve hydrogen when cast if they are not fully cured
   B. They exhibit a very low setting shrinkage
   C. They have a lower tear resistance than polysulphide rubbers
   D. They set by condensation polymerisation

7. Causative agents of Vincent’s angina_____________?

   A. Borrelia vincenti and fusobacterium fusiformis
   B. Borrelia recurrents and bateroides
   C. Borrelia burgoloferi and lactobacillus
   D. Leptospira and Treponema pallidum

8. When allergic manifestations occur pursuant to use of antimicrobial agents, what of the following is seen____________?

   A. Skin eruptions
   B. Angioneurotic edema
   C. Sialorrhea
   D. Serum imbalance
   E. Both A & B

9. Agents used by local application to control bleeding include all of the following except____________?

   A. Trannic acid
   B. Gelatin foam
   C. Adrenaline
   D. Vitamin-K

10. Which of the following agents is of value in the postoperative care of the hemophilic patient ?

    A. Vitamin K
    B. Monsel’s solution
    C. Aminocaproic acid
    D. Factor 8 cryoprecipitate