Brainscape's Knowledge GenomeTM

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


See full index

Dental Materials > Material Properties > Flashcards

Material Properties Flashcards

1
Q

Force on 1st and 2nd molars

A

400-800 N

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

Force on bicuspids

A

300

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

Force on cuspids

A

200

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

Force on incisors

A

150

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

What is stress

A

Resistance of body upon which force is being exerted

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

Types of stress

A

Axial
Shear
Bending
Torsional

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

What is tension?

A

Forces pulling away

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

What is compression?

A

Forces pushing together

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

What is strain

A

Change in length, reported as a percentage

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

What region of stress strain curves is the elastic region?

A

Up to the proportional limit

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

What region of stress strain curves is the plastic region?

A

Past the PL up to the failure point

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

What is the elastic limit?

A

Max stress material withstands without permanent deformation

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

What is yield strength?

A

Stress at which material begins to function aplastically

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

What is ultimate tensil strength?

A

Max stress before failure in tension

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

What is ultimate compressive strength?

A

Max stress before failure in compression

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

Fracture strength

A

Point at which material fractures

17
Q

What is elastic modulus?

A

Relative rigidity or stiffness within the elastic range (slope helps determine this)

18
Q

What is poissons ratio?

A

Ratio of lateral increase under compressional stress

19
Q

What is ductility?

A

Ability to be drawn and shaped into wire

20
Q

What is malleability?

A

Ability to be hammered into thin sheets

21
Q

What is resilience?

A

Ability of material to resist permanent deformation

22
Q

What is toughness?

A

Resistance of material to fracture

23
Q

What is viscoelasticity?

A

Properties dependent on load rate with a viscous or elastic behavior

24
Q

What is elastic?

A

Properties independent of loading rate

25
Q

What is hardness?

A

Resistance to permanent surface indentation

26
Q

What are colloids?

A

Materials with multiple states. Gels, films, emulsions

27
Q

What is adsorption?

A

A liquid or gas adhering to surface of a solid, decreases their surface free energy

28
Q

What is absorption?

A

Diffusing into the solid material

29
Q

What is sorption?

A

Absorption and adsorption at the same time

30
Q

What is wetting power?

A

Power of a liquid to spread over a solid

31
Q

What is value?

A

Quality of

Lightness

32
Q

What is chroma?

A

Quality of color purity

33
Q

What is metamerism?

A

Colors match or don’t match depending on lighting

34
Q

What is fluorescence?

A

Emission of light when light has been shown on it

35
Q

What is heat of fusion?

A

Energy required to convert material to liquid state

36
Q

What is a dielectric?

A

Material providing insulation

37
Q

What is electromotive force?

A

Voltage developed by any source of electrical energy

38
Q

What is galvanism?

A

When a circuit is completed between alive and fillings causing pain

39
Q

What is the range for occlusal force

A

200-3500 N

Higher in posterior regions lower in anterior

Dental Materials (5 decks)

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