Bonding

Question 1

How long do you etch the preparation?

Answer 1

20 seconds

Question 2

Do you rinse after etching?

Answer 2

yes, then dry (but don’t desiccate)

Question 3

After etching, rinsing, and drying: place capsule in an ________ and express the material _____ into the tooth preparation.

Answer 3

applicator gun

directly

Question 4

______ the material with hand instruments before set is complete.

Answer 4

shape

Question 5

Light cure for ______.

Answer 5

40 seconds

Question 6

Trim restoration with finishing burs on ______ speed.

Answer 6

high speed (with HVE suction and water spray)

Question 7

True or False: Teeth used during this procedure were to be thrown in the waste basket.

Answer 7

False, you gave them back to the instructor

Question 8

Do not use composites when the operating field ______.

Answer 8

cannot be kept adequately dry

Question 9

Why can’t composite be used in a wet field?

Answer 9

saliva and blood contamination significantly reduces bond strength

Question 10

True or False: We should be using a rubber dam for posterior composite restorations when they are difficult to isolate.

Answer 10

False, we should use rubber dam isolation for ALL posterior composites

Question 11

Gross caries and cleaning of tooth walls should be done with the ______ handpiece. Soft carious dentin should be removed with ________ bur in the _______.

Answer 11

highspeed
round
slowspeed handpiece

Question 12

True or False: Partial excavation of deep caries has clinical advantage over complete caries removal in the management of dentinal caries.

Answer 12

True!it results in fewer pulp exposures compared to complete excavations

Question 13

True or False: there is some evidence of signs/symptoms differences related to partial vs complete caries excavation.

Answer 13

False, no evidence of a difference

Question 14

If the tooth is vital and asymptomatic, stop excavating after you are _____% through dentin to avoid pulp exposure.

Answer 14

75

Question 15

Using resin composite material, a thin layer of vitrebond is applied to the pulpal floor. How thin?

Answer 15

~0.5 mm

Question 16

How long is the Vitrebond light cured?

Answer 16

30 seconds

Question 17

______ acid etchant should be applied to enamel first, then dentin.

Answer 17

phosphoric

Question 18

How long should the etchant remain on the tooth structure?

Answer 18

15 seconds

then rinse for ten seconds, dry slightly

Question 19

Optibond Solo Plus (what we used) is a single component adhesive. What does this mean?

Answer 19

primer + bonding agent in one

Question 20

True or False: Optibond Solo Plus is more viscous than other brands.

Answer 20

True, its 15% filled with 0.4 micron fillers

Question 21

How long is optibond applied to the enamel and dentin? What is done next?

Answer 21

15 seconds….then air thin for 3 seconds….light cure for 20 seconds…..place composite in 2 mm increments…..light cure for 20-40 seconds

Question 22

True or False: Darker shades of composite require shorter time to polymerize under the light.

Answer 22

False, longer

Question 23

True or False: GC Fuji II LC (glass ionomer) capsules are placed into the high speed amalgamator for 30 seconds.

Answer 23

False, only for 10 seconds

Question 24

For glass ionomer, the restoration should be slightly ______, then light cured, then trimmed and finished.

Answer 24

overfilled

Question 25

How long do you light cure Glass Ionomer (Fuji)?

Answer 25

20 seconds

Question 26

How do you finish GI?

Answer 26

under water spray with a diamond or carbide bur

polish with soflex-disks

Question 27

When is GI indicated?

Answer 27

1. Class III or Class IV
2. Restorations of Primary teeth
3. Core build-up
4. As a base or liner

Question 28

When is GI contraindicated?

Answer 28

Direct pulp capping

use calcium hydroxide first on exposed pulp, then use RMGI

Question 29

How many Fuji GI shades are there to choose from?

Answer 29

10 (yes…ten)

Question 30

When using GI, how is the cavity prep cleaned?

Answer 30

with pumice and water

then thoroughly rinse and remove excess moisture/puddles

Question 31

After cleaning and rinsing, what is the next application step for GI?

Answer 31

GC Cavity Conditioner

Question 32

What is the GC Cavity Conditioner made of? What does it do? How long does it stay on the tooth?

Answer 32

weak acid (polyacrylic acid 20%)
“modifies” the smear layer
10 seconds

Question 33

How many “easy steps for accurate shade selection using the VITA Classical Shade Guide” are indicated by Dr. Amer?

Answer 33

13 and a half

Question 34

Shade guide tabs should be arranged according to ______.

Answer 34

value

Question 35

How far should you stand away from the tooth?

Answer 35

10-14 inches

Question 36

True or False: You should squint your eyes for a more accurate chroma perception.

Answer 36

False, VALUE perception

Question 37

Make a color decision in ____ seconds.

Answer 37

5

Question 38

True or False: Make a decision in the color and then quickly place the composite.

Answer 38

False, involve the patient before recording the final shade