Bonding to Dental Substrates

Question 1

_____ and ____ form the resin tags when cured (micro and macro tags)

Answer 1

Primer and adhesive

Question 2

What are the three procedures for Dentin bonding

Answer 2

1. Etching 2. Priming 3. Bonding

Question 3

What does etching do

Answer 3

removes the smear layer, removes hydroxyapatite

, exposes collagen sponge layer, exposes the dentin tubules

Question 4

Care must be taken after etching to prevent ______ of the dentin surface to keep the collagen sponge layer from collapsing on itself

Answer 4

drying

Question 5

The process of impregnation of the etched dentin by the resin in the primer is called

Answer 5

The hybrid layer formation

Question 6

The hybrid layer may vary in _____

Answer 6

thickness

Question 7

Bifunctional monomer links between ______ and ______

Answer 7

hydrophilic collagen and hydrophobic resin

Question 8

Self-etch (two step) combined ______ and _____

Answer 8

conditioner and primer

Question 9

Most bonding is a result of _____-______ retention

Answer 9

micro-mechanical

Question 10

Currently, best bonding takes place on a ______ surface and agents containing MDP and ethanol

Answer 10

moist

Question 11

The ___________ surface layer is displaced by the newly added composite and copolymerization occurs

Answer 11

air inhibited

Question 12

What are other ingredients added in bonding materials

Answer 12

fluoride and antimicrobials (gluteraldehyde)

Question 13

What is the smear layer?

Answer 13

The layer of debris (organic and inorganic material) that forms onto the enamel and dentin when prepared with rotary instruments. Must be removed, typically done by etching.

Question 14

What type of solution are Etchants?

Answer 14

Strong Acid Solutions
Phosphoric acid solutions and gels (35-37%)
Also called conditioners

Question 15

I say, “formed on etching with phosphoric acid gel” you say _______

Answer 15

Macro and Micro Tags