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OPEDENT > GLASS IONOMER > Flashcards

GLASS IONOMER Flashcards

1
Q

water-based cements known as glass-polyalkenoate cements

A

GLASS IONOMER CEMENTS

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2
Q

GLASS IONOMER CEMENTS consists of:

A

o aluminosilicate
o fluoride interacted with a poly (alkenoic acid)

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3
Q

T/ F

GLASS IONOMER CEMENTS is 24% of the cement is water

A

T

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4
Q

materials consisting of ion cross-linked polymer materials
surrounding glass-reinforced filling particles

A

GLASS IONOMER CEMENTS

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5
Q

GLASS IONOMER CEMENTS liquid forms

A

Polyacrylic

Itatonic

Tartaric

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6
Q

Silica

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

A

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7
Q

Alumina

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

B

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8
Q

Ca Fluoride

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

C

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9
Q

Al Fluoride

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

D

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10
Q

Sodium Fluoride

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

E

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11
Q

Al Phosphate

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

F

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12
Q

Grain Size

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 9.9
G. 13-19 microns

A

G

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13
Q

Tartaric

A. 29.0
B. 16.6
C. 34.3
D. 7.3
E. 3.0
F. 5% by weight
G. 13-19 microns

A

F

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14
Q

luting cements

A. Type I
B. Type II
C. Type II.I
D. Type II.2
E. Type III

A

A

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15
Q

restorative cements

A. Type I
B. Type II
C. Type II.I
D. Type II.2
E. Type III

A

B

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16
Q

restorative aesthetic (auto cure and dual cure)

A. Type I
B. Type II
C. Type II.I
D. Type II.2
E. Type III

A

C

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17
Q

restorative reinforced

A. Type I
B. Type II
C. Type II.I
D. Type II.2
E. Type III

A

D

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18
Q

lining or base cements

A. Type I
B. Type II
C. Type II.I
D. Type II.2
E. Type III

A

E

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19
Q

sets by chemical reaction alone

A

Auto Cure

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20
Q

setting time: 3-5 mins.

A

Auto Cure

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21
Q

mixing time: 40 seconds

A

Auto Cure

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22
Q

sets initially via light activated reaction and the acid base reaction continues overtime

A

Dual Cure

23
Q

T / F

GLASS IONOMER CEMENTS indications:

persons with high caries index

A

T

24
Q

T / F

GLASS IONOMER CEMENTS indications:

areas that are not subjected to prolonged temperature changes

A

F
[areas subjected to prolonged temperature changes]

25
Q

T / F

GLASS IONOMER CEMENTS indications:

root surface caries in Class V locations

A

T

26
Q

T / F

GLASS IONOMER CEMENTS indications:

slot-like prep in either Class II or Class III cervical locations

A

T

27
Q

T / F

GLASS IONOMER CEMENTS indications:

areas of abrasion, erosion without cavity prep–eroded areas in
cervical

A

T

28
Q

T / F

GLASS IONOMER CEMENTS indications:

→ pits and fissures
→ deciduous teeth

A

T

29
Q

T / F

GLASS IONOMER CEMENTS indications:

Class I lingual approach

A

F

[Class III lingual approach]

30
Q

T / F

GLASS IONOMER CEMENTS indications:

→ repairs of defective marginal restorations and any minimal cavity preparation

A

T

31
Q

T / F

GLASS IONOMER CEMENTS indications:

core build-up and temporary restoration where future veneers are to be placed

A

T

32
Q

T / F

GLASS IONOMER CEMENTS indications:

sealing of root surfaces

A

T

33
Q

T / F

GLASS IONOMER CEMENTS CONTRAINDICATIONS:

Class V because of stress on the incisal edges of anterior teeth during mastication

A

F

[Class IV because of stress on the incisal edges of anterior teeth during mastication]

34
Q

T / F

GLASS IONOMER CEMENTS CONTRAINDICATIONS:

Class II

A

T

35
Q

T / F

GLASS IONOMER CEMENTS CONTRAINDICATIONS:

3 loss cusp area

A

T

36
Q

T / F

GLASS IONOMER CEMENTS CONTRAINDICATIONS:

large carious lesions especially when esthetics are involved

A

T

37
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

→ anti-cariogenic property
o silicate glass of GI releases fluoride

A

T

38
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

adheres to the Ca of the tooth substance
*there is chemical bonding of GI and tooth

A

T

39
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

biocompatible to the pulp

A

T

40
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

High acid attack on the tooth compared to other cements

A

F

[low acid attack on the tooth compared to other cements]

41
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

free carboxyl ions of GI has high potential for adhesion to the
tooth

A

T

42
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

satisfactory color matching

A

T

43
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

translucency of GI
o acceptable esthetically
o mainly composed of glass ions

A
44
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

no reports of microleakage or recurrent caries because it
releases fluoride and bonds to the tooth

A

T

45
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

clinical handling is not demanding

A

T

46
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

→ long-term stability in the oral environment
→ no galvanic reaction

A

T

47
Q

T / F

GLASS IONOMER CEMENTS ADVANTAGES:

→ placed in one appointment
→ often placed without need for local anesthesia

A

T

48
Q

T/ F

LIMITATIONS OF GLASS IONOMER CEMENTS
→ toughness, tensile strength, wear resistance and hardness are inferior to those of resin composite

A

T

49
Q

T/ F

LIMITATIONS OF GLASS IONOMER CEMENTS

high initial solubility after mixing; setting must take place in an area free from fluid contamination

A

T

50
Q

T/ F

LIMITATIONS OF GLASS IONOMER CEMENTS

relatively long setting time (3-5 mins.) depending on the product

A

T

51
Q

T/ F

LIMITATIONS OF GLASS IONOMER CEMENTS

poor polishability due to the heterogeneous and porous
structure of the material

A

T

52
Q

T/F

DISADVANTAGES
→ not as aesthetic as composite restoration

→ not recommended for use in areas of significant concern

→ limited strength and wear resistance

→ slow set
o may be sensitive to moisture over extended periods

A

T

53
Q

CLINICAL APPLICATION OF RESTORATIVE GI CEMENTS [5]

A

→ sandwich technique
→ Class III, Class V, and small Class I
→ primary dentition
→ core buildup
→ atraumatic restorative treatment (ART)

OPEDENT (9 decks)

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