GIC Flashcards

0
Q

Chelation between the polycarboxylate molecules & Ca ions on the surface of the tooth

A

Adhesion

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1
Q

First restorative material possessing chemical adhesion/bond to tooth structure

A

GIC

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2
Q

2 important properties of GIC

A
  • chemical adhesion

- fluoride release

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3
Q

Desiccation of of GIC causes (2)

A
  • shrinkage

- crazing

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4
Q

Setting time of GIC

A

24 hrs

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5
Q

Lubricant for GIC to prevent crazing

A

Cocoa butter

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6
Q

Type I GIC

A

Luting

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7
Q

Type II GIC

A

Restorative

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8
Q

Type III GIC

A

Chemically set

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9
Q

Type IV GIC

A

Visible light activated

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10
Q

Classification of caries best used with GIC

A

Class V

Class III

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11
Q

Contraindications of GIC

A

Class II

Class IV

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12
Q

Technique which combines fluoride release of GIC & esthetics of composite

A

Sandwich technique

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13
Q

Component of GIC which provides radioopacity

A

Lanthanum

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14
Q

Components of liquid GIC (3)

A
  • polyacrylic acid
  • tartaric acid
  • H2O
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15
Q

Components of powder GIC (3)

A
  • Ca fluoroalumina silicate glass
  • fluoride
  • lanthanum
16
Q

Improves bonding characteristics and shortens setting time

A

Tartaric acid

17
Q

Applied to cut dentin for 10-15 secs

A

Surface conditioner

18
Q

Examples of surface conditioner (2)

A
  • citric acid

- maleic acid

19
Q

Mixing time of GIC

A

30-45 secs

20
Q

Setting time of GIC

A

4mins

21
Q

Setting time of GIC in capsule form

A

10 secs

22
Q

Ideal consistency of GIC

A

Milky consistency

23
Q

Dual cured GIC

A

RMGIC

24
Q

Photoinitiator camphorquinone releasing some of the H2O content of GIC

A

HEMA

25
Q

Restorative material with the highest rate of retention

A

RMGIC

26
Q

Indications of GIC (4)

A

Class V
Class I
Class II
Root caries

27
Q

Acid etchant used for GIC

A

10% polyacrylic acid

28
Q

Metallic silver particles added to GIC

A

Metal reinforced GIC

29
Q

Metal reinforced GIC (2)

A
  • Ag.Sn

- Ag.Pd

30
Q

Polyacid-modified composite

A

Compomers

31
Q

Indications of compomers (2)

A

Class V
Class I
Base