Operative Quiz 4/18

Question 1

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

Answer 1

Around 20%

Question 2

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

Answer 2

Above 50%

Question 3

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

Answer 3

Abrasion (toothbrush)

Abfraction (grinding)

Erosion

Question 4

What are 3 options for restorative material in Root Caries?

Answer 4

Amalgam

Composite

GI

Question 5

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?

Answer 5

GI

Composite

GI

Question 6

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

Which has bevels?

Which has no prep?

Answer 6

Amalgam

Composite

GI

Question 7

T/F

There are no specification requirements for GI

Answer 7

True

Question 8

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

Answer 8

GI

Question 9

What are the 3 different isolation techniques used with pts?

Answer 9

212 clamp

RDI

epi

Question 10

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

Brand?

Answer 10

Resin-modified has better wear rate

GC Fuji II LC capsule

***LC means light cured

Question 11

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

_______ is used instead with GI

Answer 11

Phosphoric

Conditioner

Question 12

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

Answer 12

Tap 3 times

Triturate

Question 13

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

Answer 13

20

Question 14

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

Answer 14

Alcohol swab

Question 15

The resin coat applied after GI is called?

Answer 15

OptiGuard

Question 16

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

Answer 16

When anesthesia is gone

Question 17

Someone that grinds teeth most likely has a Class V…

Answer 17

Abfraction

Question 18

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

Answer 18

Composite

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

Question 19

T/F

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

Answer 19

True

Question 20

4 reasons Class V restorations are performed:

Answer 20

Caries

Abrasion

Abfraction

Erosion

*or combo

Question 21

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

Answer 21

CEJ

Question 22

Chronic caries tend to be what color?

Answer 22

darker

Question 23

T/F

Irradiation can cause caries to worsen

Answer 23

True

Question 24

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

Answer 24

Abrasion

Question 25

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

Answer 25

Abfraction

Question 26

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

Answer 26

Flexural

Question 27

What does an Abraction Class V look like?

Answer 27

V - notch on wall

Question 28

What increases the rate of Abfraction caused by grinding?

Answer 28

Low pH

Question 29

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

Answer 29

Erosion

Question 30

T/F | Erosion of teeth can be caused by anorexia or diet (lemons)

Answer 30

True

Question 31

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

Answer 31

GLUMA Fluoride ACP - amorphous calcium phosphate Perio grafting Occlusal adjustmentj/mouthguards

Question 32

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

Answer 32

Dentin

Question 33

In composite preps, _____ is beveled and ____ is not

Answer 33

Enamel Dentin

Question 34

T/F | Amalgam preps for Class V's have bevels

Answer 34

False

Question 35

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

Answer 35

GI's *never composites

Question 36

Dentin Conditioner for GI's, aka... should be applied for _____ seconds What does it do?

Answer 36

Polyacrylic Acid 20 removes smear, increases bond strength

Question 37

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

Answer 37

Ca-collagen salt gel phase *stronger than GI bond to tooth

Question 38

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

Answer 38

1 3

Question 39

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

Answer 39

Contraction Gap *then microleakage, failure

Question 40

When forming composite on the tooth, always go from ____ to _____. When using diamond burs, always go from ____ to ______.

Answer 40

composite, enamel enamel, composite

Question 41

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

Answer 41

wet dry

Question 42

Proper intervention if pt very sensitive and No Occlusal Interferences? What if not sensitive?

Answer 42

chemotherapeutics fluoride varnish

Question 43

Erosion with toothache in older individual (65) best intervention: If 95 and poor?

Answer 43

root canal and crown extraction (or endo/crown)

Question 44

What attaches the Soflex disc to the handpiece?

Answer 44

Mandrel