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PEDO Midterm (Fall) > 2. Restorative Dentistry I > Flashcards

2. Restorative Dentistry I Flashcards

(50 cards)

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1
Q

Why is isolation important

A
  • Clean and dry field
  • Restorative materials can be moisture sensitive
  • Protects soft tissue
  • Limits chemical exposure to the patient
  • Increases access and visualization
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2
Q

What are the pros of RD isolation

A
  • Cheap
  • Good soft tissue protection
  • Can isolate multiple teeth at once
  • Can be used with or without a mouth prop
  • Increases N2O efficacy (breathing through nose)
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3
Q

What are the cons of using a rubber dam

A
  • Latex allergy
  • Tough to place
  • Not well tolerated (nasal congestion)
  • Requires anesthesia
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4
Q

What RD clamps are used for permenant molars

A

14 or 14A

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5
Q

What RD clamps are used for the premolars

A

2

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6
Q

What RD clamp is used for a primary molar

A

8

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7
Q

What is the purpose of the serrated edges on RD clamps

A

Clamp partially erupted teeth

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8
Q

What are the two options for placing holes in a rubber dam

A
  • Split dam (connect two holes)

- Quadrant holes (separate holes)

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9
Q

When placing the rubber dam in one step you must utilize the (split dam/quadrant holes) technique

A

quadrant holes

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10
Q

Two step placement of the rubber dam is easier with the (split dam/quadrant holes) technique

A

split dam

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11
Q

(Wing/wingless) clamp should be used for two step RD placement? One step?

A

Two step= wingless

One step= wing

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12
Q

What are the pros of isolite

A
  • Suction and light
  • Isolates two quads
  • Can do sealants with single operator
  • Good soft tissue protection
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13
Q

What are the cons of isolite

A
  • Expensive
  • Not well tolerated with gaggers
  • Limited working space
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14
Q

What are the pros to isolating with cotton rolls and dry angle

A
  • Easy to set up
  • Cheap
  • Perceived as least invasive by the patient
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15
Q

What are the cons of cotton roll/dry angle isolation

A
  • Poor soft tissue protection
  • Least effective moisture control
  • Should be using 4 handed dentistry
  • No chemical exposure protection
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16
Q

Dry angles should be used when working on the (maxillary/mandibular) arch

A

maxillary

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17
Q

When done properly which isolation method provided better sealant quality (Isolite or cotton rolls)

A

Both are equally effective when done properly

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18
Q

According to the cochrane Collaboration review - what did their study determine

A
  • Sealants prevent caries for 48 months- after that effectiveness is unclear
  • Very effective in high risk patients- low risk patients not as much
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19
Q

Pit and fissure caries account for -% of caries in permenant posterior teeth and _% in primary teeth

A

80-90%…44%

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20
Q

Resin based sealants reduce caries up to _% in the 1st year and _% after 4 yrs

A

86%…58%

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21
Q

T/F A bonding agent can increase the retention of a resin based sealant

22
Q

Which have better retention (resin/GI) selants

23
Q

(T/F) Enameloplasty is recommened when sealing over incipient non-cavitated caries

Study These Flashcards
A

f- Studies show enameloplasty is equal to but not better than sealant without elameloplasty

24
Q

Resin sealants should be (filled/minimally filled) and why

Study These Flashcards
A

minimally filled to decrease viscosity

25
Decreased sealant viscosity will lead to...
increased micromechanical retention of the sealant
26
BPA stands for...
Bisphenol A
27
What are the sources of BPA in the saliva after sealant placement
- Direct ingredient - Saliva hydrolysis of BPA derivatives (Bis-GMA or Bis-DMA) - Trace material from manufacturing process
28
Most significant time of BPA exposure with sealants is when
At the time of placement
29
BPA exposure during sealant placement can be reduced by
good isolation, copious rinsing, pumice after last cure
30
What are the powder and liquid components of GI
- Powder= Fluoroaluminosilicate glass | - Liquid= Acrylic acid
31
During mixing of GI what type of reaction occurs
Acid/Base
32
What is the resin monomer in RMGI
HEMA
33
Which is light cured (GI/RMGI)
RMGI
34
As the resin component increases the fluoride component (increases/decreases) and esthetics (increases/decreases)
decreases....increases
35
GI sealants are indicated for restorations when
- Primary tooth restorations/sealants - Transitional sealant - ART (Class I > success than Class II) - Isolation is hard to achieve - Partially erupted high risk molars
36
Cavity conditioner for Fuji II LC is used to
remove the smear layer
37
How long is the GI conditioner applied for
10 sec
38
T/F The tooth should be dessicated after conditioning the tooth for GI restoration
F- Rinse and dry but don't dessicate
39
What is the purpose of Fuji varnish
-Protects the restoration during the 24 hrs of set time
40
Finishing under water spray should be done (before/after) varnish application
before
41
Finishing under water spray for Fuji IX should be how long after the mix time
~6 min (for Fuji II LC it is after light cure
42
Fuji triage is a (GI/ RMGI)
GI
43
(White/Pink) Fuji triage can be light cured
Pink
44
T/F the wavelength of the curing light facilitates the setting of pink Fuji triage
F it is the heat from the curing light not the wavelength
45
What material has the highest long term fluoride release
fuji triage
46
Fluoride application immediately prior to sealant placement (Does/Doesn't) affect bond strength adversely
Doesn't
47
Etching for resin based sealants should be how long
20 sec
48
An operculum makes sealing the _ of a tooth tough
distal
49
(T/F) Worn GI sealants still provide protection against caries
t- residual fluoride benefits
50
Sealants should be placed based on
caries risk

PEDO Midterm (Fall) (8 decks)

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