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2 - Restorative Procedures > Final Exam Review > Flashcards

Final Exam Review Flashcards

1
Q

The process of mixing mercury with metal alloy by vigorous shaking is:

A

trituration

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2
Q

Tin is added to the metal alloy of amalgam to:

A

counterbalance the rapid hardening and high expansion properties of silver

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3
Q

This high copper alloy form of amalgam easily adapts to undercuts in the tooth preparation

A

Spherical

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4
Q

What is the condition that may occur if an amalgam filling is touched by a dissimilar metal, causing a transference of charge?

A

Galvanic Shock

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5
Q

The expansion and contraction of amalgam is ______ that of surrrounding tooth struture.

A

greater than

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6
Q

What is the most significant concern for dental healthcare workers while handling mercury?

A

Mercury vapour release

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7
Q

A single spill capsule of amalgam contains ____ mg of alloy.

A

600

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8
Q

Scrap amalgam should not be ______.

A

-disposed of in a general garbage
-washed down the drain
-placed in the sharps container

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9
Q

The term that refers to a transference of electric charge when dissimilar metals touch is:

A

Galvanism

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10
Q

Recognising all materials used in restorative dentistry, and understanding their behaviour and handling is important in order for the dental assistant to diagnose and treat the patient effectively. True or False?

A

False - DA does not diagnose

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11
Q

An ideal dental material should be dimensionally stable. This means:

A

Its expansion and contraction factors are similar to that of a tooth strucutre.

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12
Q

The most affordable dental restorative material is:

A

dental amalgam

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13
Q

There are five basic principles followed in four -handed dentistry. True or False?

A

False - there are 4

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14
Q

The _____ grasp is most often utilized with dental hand instrument.

A

pen

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15
Q

When using one-handed instrument transfer, the dental assistant will pick up the used instrument with her/his:

A

baby finger

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16
Q

The glass ionomers used as restorative material are called:

A

hyrbid

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17
Q

Vitremer glass Ionomer restorative material is a ______ product

A

dual cure

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18
Q

Most glass ionomer powders contain _____ as an essential component.

A

glass

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19
Q

The glass ionomer used for core build ups is blue. True or False?

A

True

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20
Q

Glass ionomers do not have the ability to bond to tooth structure. True or False?

A

False

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21
Q

Glass ionomers have the ability to reflect light in the same manner as a composite material. True or False?

A

False - composite is able to reflect light better than glass ionomer in a way more similar to that of a tooth

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22
Q

The Vitremer primer must be applied continuously for ______ seconds.

A

30

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23
Q

A glass ionomer restoration is charted on the odontogram in:

A

Green

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24
Q

Polymerization is the process of resin hardening. True or False?

A

True

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25
Autopolymerization of a resin requires it to be exposed to a concentrated light source. True or False?
False - is a chemical reaction
26
Chemical adhesion occurs when materials molecularly bond to one another during the polymerization process. True or False?
True
27
The inorganic resin component of composite resin is commonly known as BIS-GMA. True or False?
False - BIS-GMA is the ORGANIC resin matrix
28
Quartz, glass and silica are the most common inorganic filler particles used in composite resin restorative material. True or False?
True
29
Silane is added to composite resin to hold all of the components together and keep the filler particles from settling. True or False?
True
30
The exact light exposure time for each layer of composite resin is dependent on its thickness, the shade of material and the manufacturer’s directions. True or False?
True
31
For adequate etching to occur, the tooth surfaces should be exposed to phosphoric acid gel for 30-40 seconds. True or False ?
False - should be 15 seconds
32
Multiple layers of primer are often used to allow the material to adequately penetrate the open dentinal tubules. True or False?
True
33
Bonding resins are always photopolymerized prior to placement of composite resin restorative material. True or False?
False
34
What kind of restoration is a cavity varnish liner used in?
Non-bonded amalgam
35
What restorative material(s) is retained in the preparation by means of chemical retention?
Composite, Glass Ionomer & Bonded Amalgam
36
What hand cutting instruments are required for placing mechanical retention on a 1.5 MO preparation?
Inverted cone bur, angle former & mesial margin trimmer
37
Can we use Varnish with Bonded Amalgam?
NO - ABSOLUTELY NOT.. it will seal off all of the dentinal tubules and not allow acid etch to work properly and make microtags
38
List the application steps when using scotchbond for a bonded amalgam filling.
1. Etch for 15 seconds, rinse for 15 seconds and dry 2. Dispense 1 drop each of primer and activator, into dispensing well, mix, apply to all surfaces of preparation for 15 seconds and air dry for 5 seconds. 3. Dispense 1 drop each of adhesive and catalyst into a dispensing well, mix, apply to all surfaces of preparation.
39
List the application steps when using Scotchbond for a composite restoration.
1. Etch for 15 seconds, rinse for 15 seconds and dry. 2. Dispense 1 drop primer into a dispensing well and apply to all surfaces of preparation for 15 seconds and air dry for 5 seconds. 3. Dispense 1 drop of adhesive into a dispensing well and apply to all surfaces of the preparation and light cure for 10 seconds.
40
List the instruments that are required to finish a composite restoration.
1. Football or flame finising bur 2. Anterior or posterior finishing knife (based on scenario) 3. Finishing strip 4. Enhance point bur
41
Place the application steps for a composite filling in the correct order.
Liner placement Matrix System Etch Bonding system Flowable composite placement Composite placement Finishing burs Enhance burs
42
Place the application steps in the correct order for a glass ionomer retoration.
Cavity conditioner Mix glass ionomer powder & liquid Load dispensing tip Apply Fuji Top Coat Light Cure
43
What is the difference between using Scotchbond with an amalgam and using Scotchbond with a composite filling?
A bonded amalgam requires the use of the primer, adhesive, catalyst & activator Composite does not require the catalyst & activator
44
What instruments are required for mechanical retention on a 1.5 MO?
spoon excavator inverted cone angle former mesial margin trimme
45
List the Scotch Bond Application Steps
In order.. Etch & Rinse Primer & Dry Adhesive Light-Cure
46
Place in order of use intstruments required for finsihing an amalgam restoration
Ball Burnisher Explorer Disco Cleiod Carver Hollenback Carver
47
Place in order of use all instruments required to finish a composite restoration
Football/Flame finishing bur anterior / posterior finishing knife Composite finishing strip enhance rubber bur
48
Place steps in order for a composite restoratio
Liners/Bases Matrix Bands Etch & Bond Composite Placement & Finishing
49
List the Application Steps for Glass Ionomer
Cavity conditioner Mix Powder & Liquid Load Applicator Tip Apply Finishing Gloss
50
What is Varnish used with?
Non bonded amalgam
51
What restorative material requires chemical retention?
Composite Glass Ionomer Bonded Amalgam
52
What is the process by which resin is changed from a pliable state to a hardened state?
Polymerization
53
The exact time requried to light cure a restorative material depends on?
Manufacturers instructions Thickness and size of the restoration Shade of material being used
54
What is the proper way to take a shade?
With natural light prior to procedure begining
55
What is the Football bur used for?
Finishing of a restoration
56
What does Filler provide in a composite restorative material?
* These fillers add the strength and characteristics that are needed in a restorative material
57
What are Hybrid composites?
◦ Most often used today, they contain a mixed range of particle sizes. They have high wear resistance and excellent shading characteristics
58
Silane is added to composite resin to hold all of the components together and keep the filler particles from settling. True or False?
TRUE - this is the coupling agent.
59
Bonding resins are always photopolymerized prior to placement of composite resin restorative material. True or False
FALSE - can be autopolymerized as well
60

2 - Restorative Procedures (16 decks)

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