Done Dental Materials Ch 1&3

Front 1

ADA

Back 1

Sets standards for dental materialss

Front 2

Specifications

Back 2

Physical and mechanical properties

Front 3

Class 1 products

Back 3

Lest regulated. Ex:brushes

Front 4

Class 2 products:

Back 4

Must be equivalent to others on market. Ex: composite and amalgam

Front 5

Class 3 products:

Back 5

most regulated. Ex: bone graft materials

Front 6

Restorative Materials

Back 6

Replace oral tissue

Front 7

Esthetic Materials

Back 7

Tooth colored and made to look good

Front 8

Restorations

Back 8

Replace small to medium size of lost tooth structure. Held by mechanical or adhesion.

Front 9

Crowns

Back 9

Replace large amount of lost tooth.

Front 10

Bridges

Back 10

Replaces lost teeth. Supported by other structures

Front 11

Abutment

Back 11

The teeth on either side of a bridge used for support

Front 12

Retainer

Back 12

Crown that fits over abutment teeth

Front 13

Pontic

Back 13

The false replacement tooth on a bridge

Front 14

Complete denture

Back 14

A full set of false teeth on both arches

Front 15

Prosthesis

Back 15

Artificial device that replaces lost organ or tissues

Front 16

Removable partial denture

Back 16

Replaces a few or many teeth but not all. Held on my metal clasps

Front 17

Dental impression

Back 17

Negative copy of teeth

Front 18

Cast

Back 18

Material put into an impression to contact restoration

Front 19

Study model or diagnostic cast

Back 19

Positive copy used to study size and position of oral tissues

Front 20

Luting agents

Back 20

Dental cements. Hold crowns on teeth’s and fills in gaps.

Front 21

Cements As bases and liners

Back 21

Used to protect teeth and insulate from metal

Front 22

Cements As bases and liners

Back 22

Used to protect teeth and insulate from metal

Front 23

Base

Back 23

Strength and thermal insulation. Thicker

Front 24

Cements As bases and liners

Back 24

Used to protect teeth and insulate from metal

Front 25

Base

Back 25

Strength and thermal insulation. Thicker

Front 26

Liner

Back 26

Thin and used to protect from chemical irritation.

Front 27

Temp crowns

Back 27

A crown created in the office to use while waiting for one from lab. Weak

Front 28

Temp restoration

Back 28

Gives pulp time to heal until dentist decides what to do

Front 29

Sealants

Back 29

To prevent decay

Front 30

Mouthguards

Back 30

Protect from injury during sports

Front 31

Fluoride trays

Back 31

Fit over teeth to apply topical treatments

Front 32

Polishing

Back 32

Use of rubber cup and abrasive agent to remove stains, plaque and debris

Front 33

Implants

Back 33

Screws or posts that are achieved into alveolar bone and protrude thru gingiva

Front 34

Direct restorative materials

Back 34

Constructed in the mouth

Amalgam

Composites

Glass ionomers

Front 35

Indirect restorative materials

Back 35

Made outside of the mouth

Gold crowns

Ceramic materials

Front 36

Permanent restorations

Back 36

No plan to replace

Front 37

Temp restorations

Back 37

Plan to replace in near future. Not as strong

Front 38

Interim restoration

Back 38

When a temp restorations needs to late longer

Front 39

Class 1 of decay

Back 39

In the pits and fissures

Front 40

Class 2 of decay

Back 40

Just below interproximal contact in posterior teeth

Front 41

Class 3 of decay

Back 41

Interproximal contact in anterior teeth

Front 42

Class 4 of decay

Back 42

When class 3 continuares and inolvidable incisal angle of anterior teeth.

Front 43

Class 5 of decay

Back 43

Involves gingival third of tooth

Front 44

Class 6 of decay

Back 44

Incisal edge

Front 45

Physical properties

Back 45

Laws of physics.

Mass, energy, force, light, heat, electricity, color, density and thermal conductivity.

Front 46

Mechanical properties

Back 46

Ability to resist forces. Strength and stiffness

Front 47

Chemical properties

Back 47

Setting reactions and decay or degradation

Front 48

Biologic properties

Back 48

Affects on living tissue.

Front 49

Density

Back 49

Mass of material in given volume

G/cm^3

Front 50

Vapor pressure

Back 50

Measure of liquids tendency to evaporate and become a gas

Front 51

Thermal conductivity

Back 51

Rate of heat flow thru a material.

Front 52

Heat capacity

Back 52

Measure of the amount of thermal energy that a material can hoard.

Front 53

Specific heat capacity

Back 53

How much energy is needed to raise temp by 1*

Front 54

Heat of fusion

Back 54

Energy needed to melt a material

Front 55

Heat of vaporization

Back 55

Energy needed to boil a material.

Front 56

Coefficient of thermal expansion

Back 56

Measure of change in volume in relation to the change in temp.

Front 57

Electrical conductivity

Back 57

Knowing which materials are conductive

Front 58

Viscosity

Back 58

Ability to flow

Front 59

Wetting

Back 59

Bringing the material into intimate association with surface

Front 60

Hardness

Back 60

Measured by pressing a tip into material.

Front 61

Hardness

Back 61

Resistance to indentation

Measured by pressing a tip into material.

Front 62

Duro meter measurements

Back 62

Also measures hardness when tip can’t be used

Front 63

Abrasión resistant

Back 63

Wear resistance.

Front 64

Solubility

Back 64

Amount of material that dissolved in a liquid.

Front 65

Water sorption

Back 65

How much water is absorbed

Front 66

Color

Back 66

The appearance of the restoration

Front 67

Interaction with X-rays

Back 67

Whether or not they are shown on X-rays

Front 68

Force

Back 68

Weight or load

Front 69

Stess

Back 69

Force/area

Front 70

Elasticity

Back 70

Change in shape and return to original shape

Front 71

Strain

Back 71

Change in length/by original length

Front 72

Stress

Back 72

Force that develops on loaded object

Load/area

Front 73

Modulus of elasticity

Back 73

Stress/strain

Front 74

Elastic deformation

Back 74

When object returns back to original size.

Front 75

Plastic deformation or perminant deformation

Back 75

When an object won’t return to the original size or shape.

Front 76

Compression

Back 76

Pushing and crushing stress

Front 77

Tension

Back 77

Pulling stress

Front 78

Shear

Back 78

Slip stress.

Front 79

Torsion

Back 79

Twisting stress

Front 80

Bending stress

Back 80

Combo of compression and tension

Front 81

Resilience

Back 81

Ability to absorb stress and not be deformed

Front 82

Toughness

Back 82

Energy absorbed up to failure point

Front 83

Fatigue

Back 83

When somethkng fails from being stressed repetitively for a long tkme

Front 84

Creep

Back 84

Slow change in shape

Front 85

Stress relaxation

Back 85

Slow decrease in force over time

Front 86

Stress concentration

Back 86

The idea that stress increases around defects.

Front 87

Fractured toughness

Back 87

Energy required to fracture a material when crack is present