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Tim's Cards > Operative Quiz 4/18 > Flashcards

Operative Quiz 4/18 Flashcards

1
Q

Edentulism for those 65 yrs and older was 60% in 1957, what is it now?

A

Around 20%

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2
Q

What is the current prevalence of Root caries in those 75 and older?

A

Above 50%

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3
Q

3 causes of Root Caries (other than age, non-endentulism)

A

Abrasion (toothbrush)

Abfraction (grinding)

Erosion

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4
Q

What are 3 options for restorative material in Root Caries?

A

Amalgam

Composite

GI

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5
Q

Between Amalgam, Composite, and Glass Ionomer, what has the best bond?

What material is thermally insulating and more elastic?

What material has high acid solubility?

A

GI

Composite

GI

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6
Q

Amalgam, Composite, Glass Ionomer, which has undercuts and retention grooves?

Which has bevels?

Which has no prep?

A

Amalgam

Composite

GI

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7
Q

T/F

There are no specification requirements for GI

A

True

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8
Q

If there are Shallow defects in enamel, what is a good restorative material?

A

GI

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9
Q

What are the 3 different isolation techniques used with pts?

A

212 clamp

RDI

epi

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10
Q

Because of the wear rate, what type of GI is best used for Class V restorations?

Brand?

A

Resin-modified has better wear rate

GC Fuji II LC capsule

***LC means light cured

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11
Q

_______ acid is too strong to use with GI and the bond will be weakened.

_______ is used instead with GI

A

Phosphoric

Conditioner

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12
Q

Must do what 2 things to RRGI (Resin Ionomer) before use

A

Tap 3 times

Triturate

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13
Q

With GI Resin Ionomer, you should overfill the prep by ____%

A

20

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14
Q

A plastic instrument should be used with GI and swipe it with what?

A

Alcohol swab

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15
Q

The resin coat applied after GI is called?

A

OptiGuard

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16
Q

How long after a GI restoration must a pt wait before eating?

A

When anesthesia is gone

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17
Q

Someone that grinds teeth most likely has a Class V…

A

Abfraction

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18
Q

What would be the best restorative matl with a Class V Abfraction in aesthetic spot?

A

Composite

  • better wearability than GI
  • Flowable then paste - 3 layers
19
Q

T/F

OptiGuard glaze can be applied over GI or composite, must be light cured and flossed as a final step

A

True

20
Q

4 reasons Class V restorations are performed:

A

Caries

Abrasion

Abfraction

Erosion

*or combo

21
Q

Cervical caries can be irregularly shaped and are commonly found below the…

A

CEJ

22
Q

Chronic caries tend to be what color?

A

darker

23
Q

T/F

Irradiation can cause caries to worsen

A

True

24
Q

What cause of Class V’s tend to have a dished out appearance and are shallow and smooth?

A

Abrasion

25
Q

A combination of abrasion and microfractures of Stress Corrosion is a Class V caused by…

A

Abfraction

26
Q

In an abfraction Class V, the tooth is going through ______ strain.

A

Flexural

27
Q

What does an Abraction Class V look like?

A

V - notch on wall

28
Q

What increases the rate of Abfraction caused by grinding?

A

Low pH

29
Q

What type of Class V is caused by chemical dissolution of enamel, appears translucent or polished?

A

Erosion

30
Q

T/F

Erosion of teeth can be caused by anorexia or diet (lemons)

A

True

31
Q

Class V lesions can be restored, ignored, combo treatments, or what 5 interventions?

A

GLUMA

Fluoride

ACP - amorphous calcium phosphate

Perio grafting

Occlusal adjustmentj/mouthguards

32
Q

With Composite designs for Class V’s, retention grooves are only place where?

A

Dentin

33
Q

In composite preps, _____ is beveled and ____ is not

A

Enamel

Dentin

34
Q

T/F

Amalgam preps for Class V’s have bevels

A

False

35
Q

When is the only time you should put instruments in an alcohol swab?

A

GI’s

*never composites

36
Q

Dentin Conditioner for GI’s, aka…

should be applied for _____ seconds

What does it do?

A

Polyacrylic Acid

20

removes smear, increases bond strength

37
Q

After s Dentin Conditioner is applied in a GI, what remains on the dentin?

A

Ca-collagen salt gel phase

*stronger than GI bond to tooth

38
Q

For Class V’s, GI should be applied in how many layers?

Composite?

A

1

3

39
Q

Adding a single bulk of composite material in a Class V will result in what?

A

Contraction Gap

*then microleakage, failure

40
Q

When forming composite on the tooth, always go from ____ to _____.

When using diamond burs, always go from ____ to ______.

A

composite, enamel

enamel, composite

41
Q

SoflexF should be used ____ and SoflexEF should be used _____.

A

wet

dry

42
Q

Proper intervention if pt very sensitive and No Occlusal Interferences?

What if not sensitive?

A

chemotherapeutics

fluoride varnish

43
Q

Erosion with toothache in older individual (65) best intervention:

If 95 and poor?

A

root canal and crown

extraction (or endo/crown)

44
Q

What attaches the Soflex disc to the handpiece?

A

Mandrel

Tim's Cards (140 decks)

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