-
must be measured exactly by directions
can be used under amalgam (as a base)
has limited shelf life
- Polycarboxylate Cement
- (Durelon)
-
What is the main component that is found in both zinc phosphate & Polycarboxylate?
Zinc Oxide
-
Do you need a protective insulating base/liner for
Zinc Oxide Eugenol (ZOE)??
- No, because it has a neutral pH
- It's non-acidic & soothing on the pulp
-
What material loses its shine & becomes stringy or form "cobwebs" if you extend the working time?
Polycarboxylate
-
What could someone use if their crown came off and they couldn't make it to the dentist?
Baby powder & vaseline
-
IRM is a Type Two Zoe & can last up to a year.
How is it supplied?
Powder/liquid
Capsules
-
Zinc Phosphate Powder
is available in what color shades?
white, yellow, & gray
-
What material (cement) is the toughest to clean off crowns?
Polycarboxylate Cement
-
Dental cements can be used as a thermal base under what?
restorations
-
Zinc oxide is composed of?
- Zinc Oxide
- & a small amount of Magnesium Oxide
-
How is Zinc Phosphate Cement supplied?
Powder & Liquid
-
How is ZOE supplied?
Powder & a Liquid
Two-paste system
Capsules
Syringes
-
True or False
Dental cements must be used a lone?
False--They can be used in combination with other dental materials.
-
What does Eugenol liquid contain?
Oil of cloves
-
How can you clean the inside of a gold crown?
-Prophy Jet----air abrasion
-Microetcher
-
"dental office smell"
where does that come from?
The use of Eugenol liquid
-
What does Type One Zinc Oxide Powder
contain?
- Zinc Oxide
- Zinc Acetate
- Resin
- & an Accelerator (activator)
-
Although, ZOE may be mixed on a glass slab, what do we mix it on?
Coated Mixing Pad with a METAL spatula
-
When Zinc Phosphate is mixed to become doughy, putty-like what are we mixing to use as?
A base
-
What does "IRM" mean?
Intermediate Restorative Material
-
What is Type Two ZOE referred as?
Intermediate Restorative
-
How long can Type Two ZOE last?
6-12 months
-
Types of ZOE
-Can be used as an insulated base
-Can be used for a temp. cementation
Two specific BRAND names.
TEMPAX
TEMPBOND
-
How is Tempax supplied?
2 Pase System
-
Type of ZINC PHOSPHATE
-fine grain powder cementation
Type One
-
Why shouldn't you get ZOE near the gum?
It irritates gum tissue
-
Name some examples of why a patient may choose to use Type Two ZOE.
Type Two Zoe: used if a tooth cannot be restored immediately.
Examples: -away on vacation -employment (military)
-
In what ways may Glass Ionomer be used in a dentist office?
- -Cement
- -Base
- -For a filling
-
Name two popular brands of Glass Ionomer.
FUJI
KETAC
-
Glass Ionomer--
final setting time?
24 hours
-
Eugenol acts as a _____________
when mixed with powder.
sedative
-
-Oldest cement used in dentistry
-has low solubility which resists breakdown in the mouth
Zinc Phosphate
-
How would you know if Polycarboxylate Cement
was expired?
- really thick
- sticky
- discolored
-
Polycarboxylate ONLY goes as a __________
under a __________.
& It is a mechanical bond.
-
Name two brands of temporary cement.
-
Used for:
temporary filling or permanent cementation
-putty like & rolled into a ball
Type Two Zoe
-
Name two benefits of Glass Ionomer.
- Releases fluoride
- Nonirritating
-
What is the brand name for Zinc Phosphate?
Fleck's by Mizzy
- It is a yellow powder
- w/ a clear liquid
-
What can you mix Glass Ionomer on?
- paper mixing pad
- cool glass slab
-
What is the benefit of using a glass slab
for mixing Glass Ionomer?
It will retard (slow) working and/or setting time
-
How is Polycarboxylate Cement LIQUID
supplied?
- Squeeze bottle
- Calibrated Syringe
-
What is the main component used in the liquid of
Zinc Phosphate?
Phosphoric Acid
-
How is Temp Bond supplied?
Two Tubes of Paste
-
Explain the liquid used for
Glass Ionomer.
- It's an aqueous solution
- of polyacrylic acid.
-
Type of ZOE
lacks strength & longevity?
Type One
-
Glass Ionomer
setting time?
mixing time?
- app 5 minutes
- 30-60 seconds
-
Another name for a permanent cement?
Resin
-
Glass Ionomer cement is strong enough to
be a _________ ________.
Supportive Base
-
a NEWER cementation system.
can either be self-curing or light-curing
Glass Ionomer
-
Type of Glass Ionomer
-finer grain
Used for:
permanent cementation of crowns & bridges
Also, orthodontic bonding
Type One Glass Ionomer
-
True or false
Glass Ionomer Type One
may be used for pit & fissure sealants.
TRUE
-
What is a luting agent?
A cementlike substance used to seal surface.
-
_____________ refers to the release of heat from a chemical reaction.
Exothermic
-
What type of ZOE is used for permanent cementation?
TYPE TWO
-
Can Glass Ionomer cements be used as a restoration?
-
Another name for temporary?
provisonal
-
___________ __________ is easier to dispense & spatulate.
WHY?
Glass Ionomer
It's not as viscous.
-
What cement is similar to Glass Ionomer in strength?
Zinc Phosphate
-
What can IRM be used as?
- temporary filling
- or
- temporary cement
-
Type of Glass Ionomer
-Coarser & supplied in a variety of shades to match tooth color
Type Two Glass Ionomer
-
What is Polycarboxylate Cement also known as?
Zinc Polyacrylate Cement
-
Type of Glass Ionomer
-used for crown & core buildups
Type Four Glass Ionomer
-
How can Polycarboxylate Cement be used?
- Permanent Cementation:
- *crowns, bridges, inlays, onlays, ortho. bands & brackets, & appliances
- *insulating base
- *temporary restoration
-
A dental material that is used to temporarily or permanently hold an indirect restoration in place is a
____________.
cement
-
What does retard mean?
To slow down the process of something
-
How does Glass Ionomer bond to tooth structures?
mechanically & chemically
-
What "classes" could Glass Ionomer Type Two be used in?
- Class 3 & Class 5
- permanent restorations
-
What is Glass Ionomer powder made with?
It is a silicate glass powder:
- *calcium
- *aluminum (calcium fluoroaluminosilicate glass)
- *fluoride
-
Type of Glass Ionomer
Used as a liner & dentin bonding agent
Type 3
-
True or False
You shouldn't dispense Glass Ionomer liquid until prior use.
-
Type of ZOE
Used for temporary cementation/ insulating base
Type One ZOE
-
Why is ZOE mixed on a coated parchment mixing pad?
- To prevent Eugenol from soaking through;
- -save clean-up time
-
Name examples of how Zinc Phosphate could be used in a dentist office.
- Permanent Cementation
- crowns, inlays, onlays, bridges, & orthodontic bands & brackets
-
Used to CEMENT metallic restorations or PFM restorations to tooth structure.
Core buildup material & High-Strength Liner
RESIN-REINFORCED GLASS IONOMER
-
The 1st cement that has the ability to chemically bond to the tooth structure.
Supplied:
-Powder/Liquid
-Capsules
Polycarboxylate Cement
-
What do you mix Polycarboxylate Cement on?
- Either a glass slab or a paper mixing pad
- using a metal spatula
-
How does Polycarboxylate bond?
-Mechanically---to restorations
-Chemically---to tooth structure
-
Does Polycarboxylate produce an exothermic reaction?
Yes
-
What is Polycarboxylate's "setting time"?
3-5 minutes
-
*Temporary Restoration
*Temporary Cementation
*Low-strength base
*Root canal sealer
ZOE
-
Zinc Phosphate can be used under amalgam as?
an insulating base
-
*Permanent Cementation
*Temporary Restoration
*High-Strength Base
Polycarboxylate Cement
-
As a cement it is most frequently used as a temporary cement, or to cement stainless steel crowns on deciduous teeth.
ZOE
-
Zinc Oxide Eugenol is a traditional form of temporary filling used either by itself, or in conjunction with ......
an acrylic powder (IRM)
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