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a new cementation system
self-curing or light-curing systems.
Glass ionomer cement
What "classes" could glass ionomer type two be used in?
Class 3 & Class 5--permanent restorations
Explain Type Two Glass Ionomer.
It is coarser & supplied in a variety of shades to match tooth color
True or false
Glass Ionomer type 1 may be used for pit & fissure sealants.
Explain Type One Glass Ionomer.
- Used for permanent cementation of crowns & bridges
- Also, orthodontic bonding
I am a type of Glass Ionomer.
I am used as a liner & dentin bonding agent.
Glass Ionomer Type 3
Type of Glass Ionomer
used for crown and core buildups
Glass Ionomer Type 4
How does Glass Ionomer bond to tooth structures?
Glass Ionomer cement is strong enough to be a __________ _____________.
What is glass ionomer powder made with?
- It is a silicate glass powder:
- (calcium fluoroaluminosilicate glass)
Explain the liquid used for glass ionomer.
It's an aqueous solution of polyacrylic acid
Zinc phosphate is similar to _____________ ________ in strength.
What is Glass Ionomer's mixing time?
______ _______ liquid is easier to dispense & spatulate.
It's not as viscous
What is Glass Ionomer's setting time?
app. 5 minutes
What is the benefit of using a glass slab for Glass Ionomer while mixing?
To retard working and/or setting time.
What can you mix Glass Ionomer on?
- Paper mixing pad
- Cool glass slab
Name some benefits of Glass Ionomer.
ZINC PHOSPHATE CEMENT
*Powder & Liquid
What is the name of the powder & what is it made of?
Zinc Oxide Powder
- Made of : -Zinc Oxide
- -small amount of Magnesium Oxide
Zinc Phosphate Cement
How is it supplied & what is it made with?
Supplied: In a bottle with an eye dropped type stopper
Made of: Phosphoric acid & Water
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