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RDA > Week8 > Flashcards

Week8 Flashcards

1
Q

Restorative

A

A term that describes the ability to remove decay or disease and bring back the proper function of the teeth

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2
Q

Aesthetic

A

Term that refers to re-creating the tooth or teeth with a artistically pleasing appearance

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3
Q

Dental materials can be incorporated in a restorative procedure for the

A

Health and well-being of a tooth

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4
Q

When a new dental material is developed it must undergo a strict

A

Evaluation and assessment before it is marketed

By ADA 

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5
Q

Criteria for dental material to be used

A

Must not be poisonous or harmful

Must not be harmful or irritating to the tissues of the oral cavity

Must protect the tooth and tissues

Must resemble the natural dentition

Must be formed in place in the mouth to restore the mouse natural contour

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6
Q

Properties that enhance the ability of dental materials

A

Mechanical
Thermal
corrosive
hardness
solubility
ductility and malleability

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7
Q

Force

A

Any push or pull on any matter that can stress or strain a restoration

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8
Q

Galvanic action

A

An electrical current can take place in the oral cavity when two different metals come together in the mouth

Saliva contain salt which is a good conductor of electricity

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9
Q

Light cured materials

A

Does not harden until it is been exposed to the curing light

This allows for a more flexible working time

And material remains pliable so the doctor can shape it correctly on the tooth structure until it has been exposed to the curing light

Curing time vary and depend on the material manufacture restoration size and shade



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10
Q

Auto cured materials

A

Do not required the high intensity blue light exposure

Amal

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11
Q

Amalgam is an

A

Alloy → Powder consisting of combinations of metals like silver tin copper mercury and zinc

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12
Q

The Amal contains a

A

Pestle which is an object that is moved vertically to pound or pulverize the material

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13
Q

An amalgam filling relies on

A

Retention to lock into tooth structures

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14
Q

The application of dental amalgam

A
  1. prep
  2. Trituration- mercury and alloy powders are mixed using amalgamator
  3. Once place in use Plugger
  4. Carving and finishing → carver, burnisher, articulation paper
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15
Q

Composite resin

A

Tooth colored filled material

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16
Q

Shade selection should be done as

A

Quickly as possible because eyes begin to tire after 5-7 seconds

17
Q

Filler

A

Organic material added to composite to give it strength

18
Q

Cavity prevention is defined to hold

A

Resin material by means of bonding maternal rather that have its own retention like amalgam

19
Q

Finishing burs

A

To contour and polish a finished hardened composite

20
Q

Finishing strips assist in the polishing of

A

Interproximal surfaces

21
Q

How much is the resin begins with medium

A

Discs and finishes with superfine discs

22
Q

Fine finishing is done with carbide finishing

A

burs the a diamond burs

23
Q

White stone for

A

Reduction of material

24
Q

Etchant is

A

Phosphoric acid Used to prepare the enamel and dentin surface of the tooth prior to bonding

25
Q

Etchant is placed on enamel or dentin to remove

A

Smear layer

26
Q

Dental bonding

A

Process of gluing one lateral to another

27
Q

Enamel bonding

A

ChemiCal adhesion

28
Q

Dental liners

A

Are thin layer of material that is applied to the deepest portion of the dental preparation to provide pulpal protection of dentinal regeneration

29
Q

Calcium hydroxide

A

Frequently selected type of cavity liner (dycals)

30
Q

Dental bases

A

Protect the pulp

Insulate

Sedate

31
Q

Dental materials used for dental bases

A

Zinc oxide elsenol (Zoe)

Zinc oxide oxphosphate

Zinc polycorboxylate

Glass monomers

32
Q

What is advantage of glass lonomers

A

Slowly fluoride over time

But negative is that it lacks strength and wear resistance

33
Q

IRM is

A

Reinforced zinc oxide eugenol used to shorten restoration

Eugenol is made of clove oil to sooth pulp / sedative filling

Used offer when decay is deep close to nerve

34
Q

Gold IRM

A

soft metal

Acid resistant

Gold alloys used in crowns and bridge restorations

35
Q

Porcelain IRM

A

Ceramic

Most used in dentistry

Fired and glazed in kiln to match tooth color

36
Q

Tooth whitening materials

A

IS one of the most popular cost effective ways of lightning the color of the teeth

teeth whitening products are mostly made of peroxide ingredients

37
Q

Viscosity

A

Property of fluid that causes it not to flow easily

38
Q

Microleakage

A

Microscopic space with tooth structure and restoration come together

39
Q

Desiccate

A

Dry out tooth

RDA (22 decks)

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