The wetting of an adherent surface by an adhesive is related to________________?

Related Mcqs:

1. Angles between Adhesive and Adherent is Zero degree, it indicates_______________?

   A. Complete wetting of surfaces
   B. Rough surfaces between Adhesive & Adherent
   C. Adherent and Adhesive molecules are tangent to each other
   D. Irregularities present between Adherent surfaces

2. The gelatinous deposit adherent on the tooth surface is called as:__________?

   A. Materia alba
   B. Plaque
   C. Calculus
   D. All of the above

3. 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

4. A five-year old child presents with chronic bed wetting and bilateral loose deciduous first molars. His mother says that she want to drink of water several times during each night. Which of the following is the most likely diagnosis ?

   A. Hand-Schuller Christian disease
   B. Marble bone diasease
   C. Nieman pick disease
   D. Polyostotic fibrous dysplasia

5. A good adhesive should possess all of the following EXCEPT________________?

   A. High adherend wetting
   B. High contact angle
   C. Low contact angle
   D. High flow

6. Which is the cement with adhesive properties ?

   A. Zinc oxide eugenol
   B. Zinc polycarboxylate
   C. SIlicate
   D. Glass ionomer
   E. Both B & D

7. The most commonly used, most biocompatible and adhesive cement is______________?

   A. Zinc phosphate
   B. Zinc oxide eugenol
   C. Calcium hydroxide
   D. Glass ionomer

8. One bottle system of adhesive resins_____________?

   A. 4th generation bonding agents
   B. Separate etching step not required
   C. Separate etching step is still required
   D. Contains only primer

9. The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are______________?

   A. Integrin a6-B4
   B. The catenins desmoplakin
   C. cadherins desmoglein
   D. a and B catenin

10. Streptococcus mutans produces an adhesive polymer from sucrose, known as:__________?

    A. Levans
    B. Lectins
    C. Glucans
    D. Polyfructans