Dental Materials Flashcards
Alloy
A combination of 2 or more metals
Retention
The ability to retain or hold something in place cannot seal
Restorative
A process that brings teeth back to natural appearance
Pestle
An object in the amalgam capsule used for pounding or pulverizing
Make up of alloy powder in amalgam
Silver tin copper zinc
What does copper provide to amalgam restoration
Corrosion resistance and strength
What is used to smooth amalgam
Burnisher
What is galloy and what is it composed of
A nonmercury alloy composed of gallium indium and tin. Sensitive to moisture which can cause corrosion and expansion.
Gallium
The alloy base ingredient in galloy that is soft silver hued metal that liquified at 86 degrees
What does the silver do for teeth in amalgam
Strength
What does tin do for teeth in amalgam
Workability and strength
What does copper do for teeth in amalgam
Strength and corrosion resistance
What does zinc do for teeth in amalgam
Suppresses oxidation
What is eames technique
1 to 1 Mercury to amalgam alloy powder
What’s the first step to finishing composites
Reduction of material completed by use of white stone or a finishing diamond
What’s the second step to finishing composite resin
Fine finishing is performed with carbide finishing burs then diamond burs
What is the third step to finishing composite resin
Polishing resin with medium discs and finishes with superfine discs
What’s the 4th step to finishing a composite resin
Finishing strips assist in polishing of interproximal surfaces
What is the last step to finishing a composite resin
Polishing paste applied to a rubber cup
What term commonly used to refer to dimethacrylate
BIS-GMA
Which filler type of composite resin has strongest makeup and has largest fillers
Macrofilled
When light curing composite resin which factor can affect curing time of the material
Depth or extent of restoration
