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

2. Restorative Dentistry I Flashcards

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

A

t

22
Q

Which have better retention (resin/GI) selants

A

Resin

23
Q

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

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

A

minimally filled to decrease viscosity

25
Q

Decreased sealant viscosity will lead to…

A

increased micromechanical retention of the sealant

26
Q

BPA stands for…

A

Bisphenol A

27
Q

What are the sources of BPA in the saliva after sealant placement

A
  • Direct ingredient
  • Saliva hydrolysis of BPA derivatives (Bis-GMA or Bis-DMA)
  • Trace material from manufacturing process
28
Q

Most significant time of BPA exposure with sealants is when

A

At the time of placement

29
Q

BPA exposure during sealant placement can be reduced by

A

good isolation, copious rinsing, pumice after last cure

30
Q

What are the powder and liquid components of GI

A
  • Powder= Fluoroaluminosilicate glass

- Liquid= Acrylic acid

31
Q

During mixing of GI what type of reaction occurs

A

Acid/Base

32
Q

What is the resin monomer in RMGI

A

HEMA

33
Q

Which is light cured (GI/RMGI)

A

RMGI

34
Q

As the resin component increases the fluoride component (increases/decreases) and esthetics (increases/decreases)

A

decreases….increases

35
Q

GI sealants are indicated for restorations when

A
  • Primary tooth restorations/sealants
  • Transitional sealant
  • ART (Class I > success than Class II)
  • Isolation is hard to achieve
  • Partially erupted high risk molars
36
Q

Cavity conditioner for Fuji II LC is used to

A

remove the smear layer

37
Q

How long is the GI conditioner applied for

A

10 sec

38
Q

T/F The tooth should be dessicated after conditioning the tooth for GI restoration

A

F- Rinse and dry but don’t dessicate

39
Q

What is the purpose of Fuji varnish

A

-Protects the restoration during the 24 hrs of set time

40
Q

Finishing under water spray should be done (before/after) varnish application

A

before

41
Q

Finishing under water spray for Fuji IX should be how long after the mix time

A

~6 min (for Fuji II LC it is after light cure

42
Q

Fuji triage is a (GI/ RMGI)

A

GI

43
Q

(White/Pink) Fuji triage can be light cured

A

Pink

44
Q

T/F the wavelength of the curing light facilitates the setting of pink Fuji triage

A

F it is the heat from the curing light not the wavelength

45
Q

What material has the highest long term fluoride release

A

fuji triage

46
Q

Fluoride application immediately prior to sealant placement (Does/Doesn’t) affect bond strength adversely

A

Doesn’t

47
Q

Etching for resin based sealants should be how long

A

20 sec

48
Q

An operculum makes sealing the _ of a tooth tough

A

distal

49
Q

(T/F) Worn GI sealants still provide protection against caries

A

t- residual fluoride benefits

50
Q

Sealants should be placed based on

A

caries risk

PEDO Midterm (Fall) (8 decks)

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