Reading: Chapter 4 - Enamel and Dentin Adhesion

Question 1

TERM – Interlocking of the adhesive with irregularities in the surface of the substrate ot adherend

Answer 1

Mechanical Adhesion

Question 2

TERM – Chemical bonding between the adhesive and the adherend; the forces involved may be

1. Primary – ionic and covalent
2. Secondary – hydrpgen bonding, dipole interaction, van der Waals

Answer 2

Adsorption Adhesion

Question 3

TERM – Interlocking between mobile molecules, such as the adhesion of twp polymers through diffusion of polymer chain ends across an interface

Answer 3

Diffusion Adhesion

Question 4

TERM – An electrical double layer at the interface of a metal with a polymer that is part of the total bonding mechanism

Answer 4

Electrostatic Adhesion

Question 5

Name the 4 Possible mechanisms of bonding of resin-based materials

Answer 5

1. Mechanical
2. Adsorption
3. Diffusion
4. Combination of the 3 above