Operative Quiz 4/6 and Test III

Question 1

T/F
In order to treatment plan, Diagnostic Data such as Pt exam/charting, medical condition, periodontal condition, Caries/CRA, Habits/diet, Occlusion,
Radiographs, Diagnostic study models, face bow records, Diagnodent caries laser detection, trans-illumination, and electric pulp vitality are needed

Answer 1

True

Question 2

Before the Dentin is invaded, OHI, etc. can be done for Prevention. What 3 things can be done for Remineralization?

Answer 2

Fluoride rinses

Fluoride trays

CAMBRA balance

Question 3

Once the DEJ is invaded, caries progress ______, so must restore

Answer 3

rapidly

Question 4

Name 5 Available Restorative material that can be used.

Answer 4

Composites

Amalgam

Glass Ionomers

Gold

Ceramic

Question 5

Composites have great ______ but poor ______.

Answer 5

Aesthetics

Wear resistance

Question 6

What material isn’t generally used for Class II’s unless it is very temporary?

*has the worst wear of any restorative matl

Answer 6

Glass Ionomer

Question 7

T/F

Ceramics have great aesthetics, high cost, and increasingly better _____.

Answer 7

Longevity

not a disadvantage

Question 8

If a large carious lesion has asymptomatic pulp, what is a good restoration route?

Answer 8

Crown

*vitality test/x-rays also a must

Question 9

In an outline, the isthmus must be _____ mm.

Answer 9

less than or equal to 1

*in reality 1 ish

Question 10

The explorer 1 mm past the tip is ____ mm

Answer 10

0. 5 mm

* facial/lingual extensions of a slot

Question 11

Faciolingually, the isthmus should be _____.

Answer 11

Centered

Question 12

The Contact Area is usually ______ to the Central Groove

Answer 12

Facial

Question 13

Why is the facial “s curve” more pronounced?

Answer 13

Must extend to open up occlusal contact, which is Greater facially.

Question 14

Why do retention features have to be in Dentin?

Answer 14

It is more resilient and can absorb more energy.

Question 15

The width of the Box is ____ in Premolars and _____ in Molars.

Answer 15

1. 0 mm

1. 2 - 1.5 mm

Question 16

The minimum depth of the pulpal floor in an Amalgam prep is _____ mm

How deep at walls?

Answer 16

1. 5

2. 0 mm

Question 17

T/F

It is not permissible to have enamel on the pulpal floor

Answer 17

False

*enamel ok for pulpal floor, not retention grooves

Question 18

T/F
Enamel islands are permissible on the pulpal floor.

When should they be removed?

Answer 18

True

If stained underneath

Question 19

T/F

Retention grooves should be cut into the axial wall directly

Answer 19

False

*should be a continuation of axial wall

Question 20

How far should retention grooves go?

Answer 20

From Gingival floor to Pulpal floor

Question 21

T/F

The axio-pulpal line angle should be rounded

Answer 21

True

Question 22

The 7 Orderly Steps of Cavity Preparation:

Answer 22

Outline form

Retention

Resistance

Convenience

Caries removal in Dentin

Finish enamel walls

Cleane cavity prep

Question 23

T/F

You should start your slot just INSIDE the marginal ridge

Answer 23

True

Question 24

How wide is the tip of a hoe?

Answer 24

1.2 mm

Question 25

T/F | The axio-pulpal line angle should be beveled with a hatchet or 132-F diamond bur

Answer 25

True

Question 26

T/F | Cutting the slot before the occlusal surface tends to remove less material

Answer 26

True

Question 27

Where is the smallest bicuspid box?

Answer 27

Mesial 1st bicuspid

Question 28

What premolar has a transverse ridge not to be crossed? What else is unique about this preparation?

Answer 28

Mandibular 1st PM pulpal floor sloped

Question 29

The Isthmus in mandibular molars tend to be slightly _______.

Answer 29

Facial to central groove

Question 30

What is important about cutting on a Maxillary molar?

Answer 30

Don't hit oblique ridge

Question 31

T/F | Amalgam is an insulating material

Answer 31

False *non-insulating

Question 32

T/F Amalgam is considered an intracoronal restoration, however, extracoronal restorations are done when a pt can't afford a crown.

Answer 32

True

Question 33

Low-Copper Amalgam has ____% copper High-Copper Amalgam has ____ % copper and has better _______.

Answer 33

2-5% 12-30% Corrosion

Question 34

What type of Amalgam has 20-50% greater longevity?

Answer 34

Zinc containing *Less Gamma 2

Question 35

Lathe cut Amalgam has _____ Spherical cut Amalgam hass _____ Normally we use _____

Answer 35

Lots of Mercury Less Mercury Admixture - gives us more working time

Question 36

Ad-mixed, high copper, zinc containing Amalgam is called... Spherical, high copper, no zinc, Less condensable Amalgam is called...

Answer 36

Dispersalloy Tytin FC

Question 37

T/F | There is no connection between MS, Chronic Fatigue Syndrome, etc, to Amalgam

Answer 37

True

Question 38

Use ____ condensers first and _____ condensers last.

Answer 38

Small Large

Question 39

The advantage of Bonded Amalgams is Less Fracture, what is the disadvantage?

Answer 39

Corrosion won't seal

Question 40

T/F | Calcium Hydroxide Paste, Gluma (and resins), Glass Ionomers, etc can be liners and sealers

Answer 40

True

Question 41

What are the 2 types of Tofflemires and where are they placed?

Answer 41

Straight - Facial Angled - Lingual

Question 42

The Matrix Band should be placed ____mm above the preparation A wedge must cover at least ___mm below the gingival margin and always enters via the ____ side.

Answer 42

1 mm 1 mm Lingual

Question 43

What type of Matrix Band should be used for deep areas?

Answer 43

MOD

Question 44

Use the ____ end of the Amalgam Carrier first

Answer 44

Small

Question 45

Unter-triturated Amalgam is _____ Over triturated Amalgam is _____ Perfect is _____

Answer 45

too soft/dull too dry/hard/hot shiny/pliable

Question 46

T/F | In order to avoid voids in box corners, use Lateral Condensation

Answer 46

True

Question 47

The Hollenbeck Carver has a ____ shape, making it a good Amalgam carver

Answer 47

Bi-convex

Question 48

The band should lift out gently at a ___ angle, and never use a ___ motion

Answer 48

45 degree Sawing

Question 49

T/F | Finishing/Polishing Amalgams prolongs the life of the restoration

Answer 49

True *Decreases tarnish, rough surfaces that accumulate plaque

Question 50

Finishing an Amalgam is used with a 7404 bur and you must wait for how long?

Answer 50

24 hours

Question 51

Sealants have poor longevity and PRR has a ____ year lifespan. Amalgam has a ____ year lifespan

Answer 51

5 year 10 year

Question 52

T/F | It is fine if a cavo-surface ends at an opposing contact

Answer 52

False

Question 53

Do not cut across the ______ of the Lower 1st ______.

Answer 53

Transverse ridge Premolars

Question 54

Do not cut across the ______ of the Upper ______.

Answer 54

Oblique Ridge Permanent Molars

Question 55

T/F | A small amount of undermined enamel is acceptable in a Composite Preparation

Answer 55

True

Question 56

What is the biggest factor when determining Outline Form of a preparation?

Answer 56

Caries

Question 57

Caries spread _____ once past the DEJ

Answer 57

laterally

Question 58

An Outline Form must be extended due to caries or ________.

Answer 58

Decalcified Enamel

Question 59

Amalgam outline form Converges, a Gold Inlay form ________.

Answer 59

Diverges

Question 60

What 2 burs create Convergent Walls?

Answer 60

245 330

Question 61

The minimum depth on an axial wall is _____ for adequate strength and _____ for molars.

Answer 61

1. 0 mm | 1. 2 mm

Question 62

T/F | The thermal expansion of amalgam creates a lot of internal strain on tooth structure

Answer 62

True

Question 63

The lack of an axio-pulpal line angle bevel can lead to...

Answer 63

Fracture

Question 64

0.5 mm separation on the proximal extensions of a slot preparation is an example of ________ Form.

Answer 64

Convenience *place matrix band, avoid damaging adjacent teeth, carving

Question 65

T/F | Improvements in the strength of Amalgams have allowed new, more conservative design forms.

Answer 65

True

Question 66

T/F | A slot preparation doesn't need a pulpal floor

Answer 66

True

Question 67

What does the Summitt Design for a slot prep add?

Answer 67

Occlusal dovetails | which are exaggerated extension grooves

Question 68

Diamond burs ______, and Carbide burs _____

Answer 68

abrade chip

Question 69

Working on the right quadrant, the pt's head turns to the ______. If work on the left quandrants, the pt's head turns to the _______.

Answer 69

Left Right

Question 70

T/F | An open Proximal Contact is an automatic failure

Answer 70

True