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Properties of Dental Materials
Application Properties
Amalgam
Composites
Miscellaneous
100
Biting off a piece of taffy is an example of this stress
What is tensile
100
Process by which the resin material is changed from a pliable state into a hardened restoration
What is polymerization
100
You should do this to ensure an accurate ratio of alloy and mercury
What is use premeasured capsules
100
The conventional or traditional composites, which contain the largest filler particles and provide the greatest strength are know as this
What is macrofilled composites
100
Dental restorative materials that are applied, while pliable, to a tooth or teeth and can be adapted, carved, and finished, are classified as:
What is direct restorations
200
This occurs when a metal restoration is touched by a fork
What is galvanic action
200
A liquid with high viscosity ____ flow easily and ____ effective in wetting a surface
What is does not; is not
200
This is added to the dental amalgam alloy powder to suppress oxidation
What is zinc
200
This is not a step in finishing a composite restoration (unlike amalgam restorations)
What is burnishing
200
Dental restorations created in the laboratory by the dental laboratory technician are classified as:
What is indirect restorations
300
Reaction that occurs when metal is exposed to products such as temperature, humidity, and saline. It is easily removed with polishing agents
What is corrosion
300
Defined as a mixture of two metals
What is alloy
300
This instrument is used to smooth the amalgam
What is a burnisher
300
Glass Ionomers can be used for this class restorations
What is Class V
300
Type of ceramic most often used in dentistry for castings
What is porcelain
400
New dental materials must undergo strict evaluation by _____ before they can be marketed
What is the ADA
400
For adhesion to take place, a ____film is desired
What is thin
400
A properly triturated amalgam mix should be:
What is a soft, pliable mass
400
These will influence the curing time of composite restorations (3)
What is 1) Manufacturer's instructions 2) Thickness or size of restoration 3) The shade of the restoration
400
A porcelain cast is chosen over other castings because (3)
What is 1) Is a good insulator 2) Has higher strength 3) Has the ability to match natural tooth structure
500
The process of setting of a material
What is curing
500
The term "restorative" describes the ability to (2)
What is 1) Remove disease 2) Restore function
500
Difference in the cavity preparation of amalgam versus composite
What is composites require the use of a bonding system
500
One of the biggest advantage of using Glass Ionomer as a restorative material
What is releases fluoride after their initial setting
500
Facts of in-office tooth whitening (3)
What is 1) It involves isolation of soft tissues 2) It requires a light-accelerated bleach 3) It can usually be done in one treatment