Ch.43

Question 1

What is a mixture of metal called?

Answer 1

Alloy

Question 2

The metal filling used for 150+ years is ___________.

Answer 2

Amalgam

Question 3

What gives amalgam it’s strength

Answer 3

Silver

Question 4

Restorative materials that are pliable and adapted/carved/finished in the mouth are called:

Answer 4

Direct restorations

Question 5

Restorations created in a lab are called _______ restorations

Answer 5

Indirect

Question 6

The term restorative means:

Answer 6

Remove disease and restore function.

Question 7

Which restorative materials is least pleasing appearance wise?

Answer 7

Amalgam

Question 8

Who approves new dental materials.

Answer 8

ADA

Question 9

A luquid with high viscosity _______ flow easily

Answer 9

Does not

Question 10

A resin matrix material of composite is dimethycrylate, also referred called?

Answer 10

BIS-GMA

Question 11

Esthetic criteria for new dental restorative material require it to be :

Answer 11

Able to resemble natural dentition as closely as possible.

Question 12

Posterior restorative material must be able to withstand _____ PSI

Answer 12

28,000

Question 13

What composite is most used today?

Answer 13

Hybrid

Question 14

The composite being cured/hardened is called _____________.

Answer 14

Polymerization.

Question 15

Glass ionomer can be used for Class ____ restoration.

Answer 15

V

Question 16

What the biggest advantage of glass ionomer being used:

Answer 16

The release of fluoride after final cure.

Question 17

Why would Dr choose to place a termporary restoration?

Answer 17

Sensitivity

Question 18

Intermediate restorative material (IRM) is a :

Answer 18

Zinc-oxide Eugenol

Question 19

In most states, EFDA’s duties include:

Answer 19

Placing IRM

Question 20

You should choose your composite shade under __________.

Answer 20

Daylight

Question 21

The fastest/cheapest way to improve the overall look of the teeth is?

Answer 21

Vital bleaching

Question 22

A noble metal used for cast restorations in dentistry is :

Answer 22

Platinum

Question 23

The type of ceramic most often used in dentistry is :

Answer 23

Porcelain

Question 24

Pushing two objects back an forth like grinding is an example of ________ stress

Answer 24

Shear

Question 25

Stretching a rubber band is an example of what stress

Answer 25

Tensile

Question 26

What is not true of micro leakage?

Answer 26

It occurs rarely

Question 27

What occurs when a metal restoration touches a fork?

Answer 27

Galvanic action.

Question 28

Corrosion of dental materials happens because :

Answer 28

Our saliva creates the right environment temp

Question 29

For bond to work, it should be in a _____ layer on the tooth.

Answer 29

Thin.

Question 30

The process of material setting correctly is called _________.

Answer 30

Curing

Question 31

All are advantages of amalgam over composite except:

Answer 31

Esthetics

Question 32

Mixing alloy with mercury to form a mass is a called:

Answer 32

Amalgamation tribulation.

Question 33

The instrument used to smooth amalgam is :

Answer 33

Burnisher

Question 34

The purpose of packing the amalgam is to ____________.

Answer 34

Condense it .

Question 35

Properly triturated amalgam should:

Answer 35

Be soft, pliable mass

Question 36

Single spill dental amalgam :

Answer 36

Should be discarded immediately after use.

Question 37

The setting time is most crucial is for _________ materials

Answer 37

Auto-cured

Question 38

The ADA ________ the use of amalgam for posterior fillings.

Answer 38

Supports

Question 39

A 1;1 mercury alloy ratio is known as the :

Answer 39

Eames technique

Question 40

One difference in the cavity prep of amalgam vs. composite is :

Answer 40

Composites require a bonding system

Question 41

To ensure accurate ratio of mercury to allow, the best protocol is :

Answer 41

Use premeasured capsules