Brainscape's Knowledge GenomeTM

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


See full index

Dental Materials - Naylor > Test 1 > Flashcards

Test 1 Flashcards

1
Q

What type of base stimulates secondary dentin by making the pH rise?

A

Calcium Hyroxide

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

Define Strain

A

Internal rearrangement of atoms to adjust to the stress (deformation/length) —> leads to distortion

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

Define Tensile

A

Forces on object directed away from each other stretched or elongated - ability of material to RESIST pulling apart

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

Patient education for a 12 year old who plays field hockey should include _______

A

Mouth gaurds

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

Define Resilience

A

The energy necessary to cause permanent deformation (ortho material and impression materials must be resilient)

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

Radiographically cement bases appear _______

A

Radiopaque

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

Why can dental cements be used as a base?

A

Because particle size is microfill and increases the viscosity and flow of the cement, it also adds strength, and bonds to enamel and dentin

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

Internal Stain on Maxillary incisors would require what type of restoration?

A

Porcelain Veneers

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

New material was used and it was suppose to harden when the light was placed on it, but it didn’t. What occurred?

A

It didn’t cure

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

What has the lowest viscosity?

A

Flowable

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

What is the difference between an inlay and an onlay?

A

Inlay: restoration stays within the cusps and the marginal ridges

Onlay: restoration goes beyond marginal ridge and covers the cusps

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

Filler size and polishability would be greatest for what size?

A

Microfill

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

What base/liner releases fluoride?

A

Glass Ionomers

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

Define Hue

A

Color

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

Define Chroma

A

The vividness or strength of a color (hue)

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

Define Value

A

The lightness or darkness of a color (hue)

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

Define Translucency

A

Refers to way light is affected when entering a substance

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

Why do we place insulating bases under restorations?

A

To increase secondary dentin, to decrease acidity, etc = All of the above

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

What is the main advantage for Ceramic over PFM?

A

Esthetics

20
Q

What material is placed in very deep cavities?

A

Calcium Hydroxide

21
Q

Which cement should NOT be used under composite fillings?

A

ZOE

22
Q

Layer created when using high speed bur is

A

Smear layer

23
Q

Many cements shouldn’t be dispensed until ready to use because

A

Dehydration, etc = All of the above

24
Q

Characteristics of cements include

A

Mod composition, strength, solubility in water = All of the above

25
Q

Porcelain restoration have/are _____

A

Stain resistant

26
Q

Characteristics of Glass Ionomers include

A

All of the above

27
Q

What element reacts with Mercury to harden?

A

Copper and Silver

28
Q

What are the 2 main components of Amalgam?

A

Mercury and Silver

29
Q

What are the advantages to Amalgam?

A

All of the above

30
Q

Corrosion effects all alloys the same. True or false?

A

false

31
Q

What does corrosion effect on amalgams?

A

Surface color

32
Q

What percentage of gold in in 18K of gold?

A

75%

33
Q

Compared to gold, dental gold alloys are _____ than regular gold

A

harder

34
Q

In office Cad Cam provides everything except _______

A

LA is not needed

35
Q

What type of porcelain is used in a PFM crown?

A

Low fusing

36
Q

Dental porcelain is a ________ insulator?

A

Excellent

37
Q

A simple inlay can be placed using softer gold because it’s out of occlusion, what type of gold is used?

A

Type 1 soft gold

38
Q

A simple inlay can be placed using softer gold because it’s out of occlusion, what type of gold is used?

A

Type 1 soft gold

39
Q

Which of the following is unnecessary when preparing indirect temp acrylic

A

Impression of restored tooth

40
Q

What is/are reasons ZOE is not permanent restorative material

A

Decreases strength and wears better = A and B

41
Q

As Amalgam restorations age microleakage decreases because of _________

A

Corrosion

42
Q

Glavantic shock material of choice is

A

Cast Metal restoration (Increases resistance)

43
Q

Indirect inlay technique made to resolve _____ w/direct inlay

A

marginal integrity

44
Q

ZOE is placed to provide _______

A

healing time

45
Q

How can mercury enter the body?

A

Inhale, ingest, skin

46
Q

Which setting phase of amalgam adds strength?

A

Gamma

47
Q

Most detrimental cuasing decrease

A

Gamma 2

Dental Materials - Naylor (1 decks)

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