Quiz

Question 1

Overtriturated amalgam is _

Undertriturated amalgam is _

Answer 1

Soupy

Grainy, crumbly

Question 2

3 purposes of condensation

Answer 2

Amalgam on walls, line angles and margins

Minimize voids and maintains homogeneity

Residual mercury to surface

Question 3

The two sides of the Oregon 2 condenser:

Two sides of the Oregon 4 condenser:

Answer 3

1. 0/1.5

2. 0/3.0

Question 4

Amalgam should be condensed in what direction

Answer 4

Center to periphery

Question 5

Pull stroke goes in what direction

Push stroke goes in what direction

Answer 5

Parallel to the margin

From tooth structure to amalgam

Question 6

No. 1 matrix bands v. No. 2

Answer 6

No 1 is straight, 2 has the bumps

Question 7

6 purposes of matrix bands

Answer 7

1. Wall against which one can condense
2. Re-establish proximal contact of restoration with adjacent tooth
3. Aids in isolation
4. Contains amalgam
5. Helps prevent voids
6. Helps shape proximal contours

Question 8

3 functions of wedge

Answer 8

1. Forms gingival edge of matrix band against gingival CSM, prevents gingival flash
2. Separates teeth slightly to compensate for band thickness
3. Stabilizes matrix band

Question 9

11 Amalgam steps

Answer 9

1. Proximal areas
2. Occlusal areas
3. Overfill
4. Anatomic burnisher
5. Marginal ridges/occlusal embrasures
6. Clear occlusal flash
7. Remove matrix band
8. Evaluate facial, lingual, gingival walls for flash/voids
9. Define/deepen grooves/fossae, smooth ridges
10. Remove rubber dam and evaluate occlusion
11. Self evaluate

Question 10

Advantages of quadrant dentistry
For patient:
For dentist:

Answer 10

Less appointments, discomfort

More efficient, productive

Question 11

Indications for quadrant dentistry

Answer 11

Multiple lesions

Patient needs general anesthesia

Question 12

Contraindications for quadrant dentistry

Answer 12

Lack of experience for dentist

Patients with TMJ dysfunction
Patients who can’t stay reclined for long

Question 13

Amalgam is high copper if the copper % is over

Answer 13

12%

Question 14

Permite C composition

Answer 14

Ag - 56%
Sn - 27.9
Cu - 15.4
In - 0.5
Zn - 0.2

Question 15

When to replace a cusp

Answer 15

Facial or lingual extension exceeds 2/3 the distance from a primary groove towards the cusp tip or between facial lingual cusps

Question 16

The three types of pins

Answer 16

Cemented
Friction locked
Threaded

Question 17

Brand of threaded pins

Answer 17

Thread mate system, whaledent

Question 18

Regular TMS system
Color code:
Drill diameter:
Pin diameter:

Answer 18

Gold

0. 68
1. 78

Question 19

Minim TMS system
Color code:
Drill diameter:
Pin diameter:

Answer 19

Silver

0. 53
1. 61

Question 20

Minikin TMS system
Color code:
Drill diameter:
Pin diameter:

Answer 20

Red

0. 43
1. 48

Question 21

Minuta TMS system
Color code:
Drill diameter:
Pin diameter:

Answer 21

Pink

0. 34
1. 38

Question 22

We use _ TMS system

Answer 22

Minim

Question 23

Dentin conditioner is made of

Answer 23

Polyacrylic acid

Question 24

Acid etch is

Answer 24

Phosphoric acid

Question 25

CaOH does what

Answer 25

Stimulates reparative dentin

Question 26

2-2-2-2 rule

Answer 26

2 mm pin hole depth 2 drill diameters inside DEJ 2 mm length of pin 2 mm amalgam over pin

Question 27

6 principles of cavity prep for amalgam

Answer 27

``` Outline Resistance Retention Convenience Finishing Debridement ```

Question 28

Outline form is governed by what 3 principles

Answer 28

Conservation of tooth structure Location and extent of carious lesion Position of pit and fissure

Question 29

All tooth preparations need to do 3 things

Answer 29

Remove caries Remove weak tooth structure Protect pulp

Question 30

Healthy state is defined by

Answer 30

No more disease Normal function and form Esthetically pleasing

Question 31

Resistance form is so that the tooth and restoration can withstand what forces

Answer 31

Directed towards the long axis of the tooth

Question 32

To achieve resistance you have to do what 5 things

Answer 32

``` Remove undermined surface enamel Flat pulp floor Correct depth Well defined rounded internal line and point angles Use right type of restorative material ```

Question 33

Retention and convenience form

Answer 33

Restoration should stay in | Smallest end of condenser fits everywhere