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I am...
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.
True
False
True
Explain Type One Glass Ionomer.
-finer grain
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?
mechanically
chemically
Glass Ionomer cement is strong enough to be a __________ _____________.
supportive base
What is
glass ionomer
powder made with?
It is a silicate glass powder:
*calcium
*aluminum
*fluoride
(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.
Glass ionomer
What is Glass Ionomer's
mixing t
ime?
30-60 seconds
______ _______
liquid
is easier to dispense & spatulate.
Why???
Glass Ionomer
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
OR
Cool glass slab
Name some
benefits
of
Glass Ionomer
.
-releases fluoride
-nonirritating
ZINC PHOSPHATE CEMENT
*Powder & Liquid
What is the name of the powder & what is it made of?
Powder name:
Zinc Oxide Powder
Made of
: -Zinc Oxide
-small amount of Magnesium Oxide
Zinc Phosphate Cement
The Liquid:
How is it supplied & what is it made with?
Supplied:
In a bottle with an eye dropped type stopper
Made of:
Phosphoric acid & Water
Author
melinda
ID
37302
Card Set
Dental Materials
Description
Chapter Three
Updated
2010-09-30T23:41:04Z
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