Ch 45 Exp Func Flashcards
Smear layer
Send layer of debris on newly prepared Dentin
Hybrid
A composite material made up of a combination of particles of various sizes
Etching
The process of breaking down or removing enamel rods with the use of an acid product (maleic/phosphoric)
Polymerization
The process of bonding two or more monomers
Desiccate
To remove all moisture from an item
Micromechanical
The union of a material and a structure with the use of minute cuttings
Obliterating
The process of removing completely
Retention
A way of holding a restoration in place
The purpose of a dental liner is what
To protect the pope from any type of irritation
What tooth structure is calcium hydroxide placed
Dentin
What is not a unique characteristic of calcium hydroxide
Replaces the need for Denton sealer
What is the main ingredient in varnish
Resin
Which supplemental material is contra indicated under composite resin is in glass ionomer restorations
Varnish
What’s another name for a Denton sealer
Desensitizer
What does the Denton sealer seal
Denton tubules
What does an insulating base do
Protects the pope from thermal shock
Where is the base placed in or on in a cavity prep
Pulpal floor
What dental instrument is used to adapt a base into a cavity prep
Condenser
What is the purpose of a dental bonding material
Bond restorative materials to the tooth structure
What’s an example of an enamel bonding procedure
Orthodontic brackets, sealants,
What must be removed from tooth structure before bonding material can be placed on Denton
Smear layer
What is the sequence recommended for the application of supplementary materials for a deep restoration
Liner, bass, Denton sealer, bonding system
Physical stimuli
Thermal changes electrical changes
Mechanical stimuli
Vibrations from handpiece, dramatic occlusion, added pressure placed on specific area of tooth
Chemical stimuli
From acid materials such as saliva reaching pulpal tissue
Biologic stimuli
Bacteria from saliva coming into contact with purple tissue/Not all carious structure removed
Where is dental liner placed
Deepest portion of prep goes in first
What does varnish do
Seals dentinal tubules, reduces microleakage, acts as a barrier to protect you from acidic cements
Can varnish be used under composite
No
What does fluoride varnish do
Gel like substance that releases fluoride on enamel, route structure, Denton structure
What is another name for desensitizer
Primer
Do you use a desensitizer if you are using varnish
No
What does a desensitizer do
Prevents oral fluids from seeping between tooth and restoration
Can a desensitizer be used under all direct and indirect restorations
Yes
Protective base
Placed when necessary to protect pulp before restoration is place
Zinc oxide eugenol
Used as insulating/sedative base, Cannot be used under composite resin glass ionomer or other resin restorations
Zinc phosphate
Provides thermal insulation contains phosphoric acid liner underneath
Polycarboxylate
Protective an insulating non-irritating to poke placed under all types of restorations
Glass ionomer
Excellent adhesion to an animal in Denton Fluoride release bond strength
What are the three functions of calcium hydroxide
Secondary Denton, protects pulp, compatible with all restorative materials
What are the different types of materials used for a base
ZOE, ZNP 04, polycarboxylate, glass ionomer, resin modify glass ionomer
About how much of the pulpal floor in thickness should be covered
1 to 2 mm
What is etch used for
Reparation for the use of bonding material
Why is an etchant placed
To remove the smear layer
Bonding works best on what kind of surface
Slightly moist
What shouldn’t the bonding come in contact with
Saliva blood or debris
