GLASS IONOMER Flashcards by Love Dog

Q

water-based cements known as glass-polyalkenoate cements

A

GLASS IONOMER CEMENTS

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Q

GLASS IONOMER CEMENTS consists of:

A

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

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Q

T/ F

GLASS IONOMER CEMENTS is 24% of the cement is water

A

T

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Q

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

A

GLASS IONOMER CEMENTS

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Q

GLASS IONOMER CEMENTS liquid forms

A

Polyacrylic

Itatonic

Tartaric

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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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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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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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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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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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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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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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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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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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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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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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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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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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Q

sets by chemical reaction alone

A

Auto Cure

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Q

setting time: 3-5 mins.

A

Auto Cure

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Q

mixing time: 40 seconds

A

Auto Cure

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Q

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

Study These Flashcards

A

Dual Cure

Q

T / F

GLASS IONOMER CEMENTS indications:

persons with high caries index

Study These Flashcards

A

T

Q

T / F

GLASS IONOMER CEMENTS indications:

areas that are not subjected to prolonged temperature changes

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A

F
[areas subjected to prolonged temperature changes]

T / F GLASS IONOMER CEMENTS indications: root surface caries in Class V locations

T

T / F GLASS IONOMER CEMENTS indications: slot-like prep in either Class II or Class III cervical locations

T

T / F GLASS IONOMER CEMENTS indications: areas of abrasion, erosion without cavity prep–eroded areas in cervical

T

T / F GLASS IONOMER CEMENTS indications: → pits and fissures → deciduous teeth

T

T / F GLASS IONOMER CEMENTS indications: Class I lingual approach

F [Class III lingual approach]

T / F GLASS IONOMER CEMENTS indications: → repairs of defective marginal restorations and any minimal cavity preparation

T

T / F GLASS IONOMER CEMENTS indications: core build-up and temporary restoration where future veneers are to be placed

T

T / F GLASS IONOMER CEMENTS indications: sealing of root surfaces

T

T / F GLASS IONOMER CEMENTS CONTRAINDICATIONS: Class V because of stress on the incisal edges of anterior teeth during mastication

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

T / F GLASS IONOMER CEMENTS CONTRAINDICATIONS: Class II

T

T / F GLASS IONOMER CEMENTS CONTRAINDICATIONS: 3 loss cusp area

T

T / F GLASS IONOMER CEMENTS CONTRAINDICATIONS: large carious lesions especially when esthetics are involved

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: → anti-cariogenic property o silicate glass of GI releases fluoride

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: adheres to the Ca of the tooth substance *there is chemical bonding of GI and tooth

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: biocompatible to the pulp

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: High acid attack on the tooth compared to other cements

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

T / F GLASS IONOMER CEMENTS ADVANTAGES: free carboxyl ions of GI has high potential for adhesion to the tooth

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: satisfactory color matching

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: translucency of GI o acceptable esthetically o mainly composed of glass ions

T / F GLASS IONOMER CEMENTS ADVANTAGES: no reports of microleakage or recurrent caries because it releases fluoride and bonds to the tooth

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: clinical handling is not demanding

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: → long-term stability in the oral environment → no galvanic reaction

T

T / F GLASS IONOMER CEMENTS ADVANTAGES: → placed in one appointment → often placed without need for local anesthesia

T

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

T

T/ F LIMITATIONS OF GLASS IONOMER CEMENTS high initial solubility after mixing; setting must take place in an area free from fluid contamination

T

T/ F LIMITATIONS OF GLASS IONOMER CEMENTS relatively long setting time (3-5 mins.) depending on the product

T

T/ F LIMITATIONS OF GLASS IONOMER CEMENTS poor polishability due to the heterogeneous and porous structure of the material

T

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

T

CLINICAL APPLICATION OF RESTORATIVE GI CEMENTS [5]

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