Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Operative Test Files > Midterm > Flashcards

Midterm Flashcards

1
Q

T/f: Epinephrine makes LA last longer

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

t/f: When using amalgam make sure to fill 1 mm above the margins and fill box FIRST

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Need to have slanted prep for_______ ____ _____ or else will hit the pulp if it’s perpendicular

A

mandibular first premolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Root surface caries are more commonly found

A

Gingival to the contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

All of the following are reasons we have failure at the gingival portion of the box except:

A

Incremental fills instead of bulk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Get more post-op sensitivity with

A

Bulk fill

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

T/F: it is okay to leave loose enamel rods n a class III

A

False???

I thought you could have undermined enamel on the facial wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

All of the following are indications for composite except:

A

Heavy occlusion on the contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

t/f: Adhesive separates in the presence in presence of water (water in tubules or ANYWHERE)

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

t/f: Check shade before putting on a rubber dam

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

t/f: When in dentin DO NOT BEVEL

A

true Keep at 90 degree butt margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Key difference composite and amalgam

A

Bevel gingival floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why do we not use eugonal

A

Inhibits polymerization

causes termination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

t/f: Self-etching primer is not strong enough to etch enamel and only partially removes smear layer

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

t/f: Cure-through gives better contour for class V restorations

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

t/f: Palodent is placed 1 mm above margin

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

t/f: Self-etch systems have acid in the primer

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Light Initiator is ______

A

camforquinone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

if prep is deeper/closer to the pulp you place retention grooves 1 mm farther axillay.

A

false

never put them deeper or else could have pulp exposure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the sensitizing element of toothpaste?

A

Sensitivity toothpaste contains KNO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Micromechanical to enamel rods and micromechanical to dentin collagen

A

Etching?

22
Q

t/f: Hybrid layer is zone resin and intertubular dentin

A

true

23
Q

Strength for bonding comes from the_____ in intertubular dentin

A

collagen

24
Q

T/F: you must put down bonding in between every increment of composite

A

false, only when the prep has been exposed to saliva

25
Q

the dentin tubules are ______ near the dentin

A

wider

26
Q

More filler=______ strength

A

increases

27
Q

What is the order of the restoring a carious lesion?

A

Order: etch bond fill finish polish

28
Q

______ is caused by flexture/fatigue

A

Abfraction

29
Q

_______ is from lemon drops

A

Erosion

30
Q

t/f: Best thing to remove flash is gold knife

A

true

31
Q

When to re-etch?

A

Contaminated

Doesn’t look etched

32
Q

How thick is the bond applied?

A

thinly

33
Q

Which class has the highest C factor:

A

Class 1

34
Q

The hydrophobic portion of the bonding agent is what:

A

bonding resin

35
Q

When doing a class III make sure to preserve the______ contact

A

incisal

36
Q

Etching does all of the following:

A

does increase wettability, SA, surface free energy

The old test was a bit confusing, so make sure to 2x check this

37
Q

______ happen from tugback

A

Voids

38
Q

best bond happens when bound to ______ (ends) portions of enamel rods

A

perpendicular

39
Q

When placing composite in bulk vs incremental is false?

A

Will have decreased incremental stress

40
Q

Heavy occlusion on L Ant teeth what is the prep type?

A

conventional

41
Q

Best description of collagen in a hybrid?

A

Zone collagen surrounded by resin in intertubular dentin

42
Q

Most probably explanation for a grainy finish of a composite after completion?

A

Premature curing by operatory light

43
Q

Which part of prep of class 2 and 3 have similar requirements?

A

Class 2 don’t break B contact Class 3 don’t break Incisal contact

44
Q

Which type of solvent in dental adhesion will undergo phase separation?

A

water

45
Q

What material in placement of resin composite improves surface wetting, increase surface area available for bonding, and increases surface energy?

A

Phosphoric acid

46
Q

Rank following composites in order of filler?

nanofiller, macrofiller, midifiller, microfiller

A

Macro, midi, micro, nano

47
Q

Which test is the best predictor for composite longevity

A

Fracture toughness

48
Q

Retention in a class 5 prep is placed at the ?

A

Occlusion axial line angle

49
Q

In regard to in euginol resin composites?

A

Inhibit polymerization in composite

50
Q

Which part of the tooth can you desiccate dry with the air syringe?

A

dentin

51
Q

Abfraction filled with what kind of composite?

A

microfill

52
Q

Retention groove in a class 3 is placed in?

A

gingival

Operative Test Files (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions