Composite

Question 1

GIs are _ based

Answer 1

Water

Question 2

GIs pros

Answer 2

Good wear resistance

Fluoride reservoir

Question 3

Posterior composite indications/contraindications

Answer 3

I: small/moderate class I&II

C: can’t control moisture
Heavy occlusal stress
Larger prep

Question 4

Composite resin matrix is 70% _ and 30% _

Answer 4

Bis-GMA

TEGMA

Question 5

_ is a coupling agent in composite

Answer 5

Silane

Question 6

Degree of conversion:

Answer 6

Number of double bonds converted to single bonds during polymerization

Question 7

Why are microfills more esthetic than macrofills

Answer 7

Micro doesn’t scatter as much light

Question 8

The three classifications by consistency are:

Answer 8

Conventional (putty)
Flowable
Packable

Question 9

Thickness of dead soft bands

Answer 9

0.001”

Question 10

6 steps in composite placement

Answer 10

1. Anesthetic, isolate, shade
2. Etch w/phosphoric acid
3. Rinse w/air-water
4. Lightly air dry
5. Apply/cure adhesive
6. Apply/cure composite in layers

Question 11

How long to etch for

Answer 11

15 s

Question 12

Etching does what

Answer 12

Removes smear layer

Question 13

The two phases of composite are

Answer 13

Matrix (continuous, resin)

Dispersed (glass filler, colorant)

Question 14

Etch sits for _ seconds and is made of _% _ acid

Answer 14

15-20
35%
Phosphoric

Question 15

Which ions are released from the glass ionomer reaction

Answer 15

Ca, Al, F

Question 16

Fuji II LC has what % opacity

Answer 16

40