Chapter 43
Glass ionomer can be used for Class _____ restorations.
V
Which of the following statements is true? Of the composition of tooth whitening material
When the product contacts the teeth it allows oxygen to enter the enamel and dentin which whitens the colored substance
One of the fasted and most cost effective way of restoring the esthetic appearance of teeth is
Whitening (bleaching )
Esthetic criteria for a new dental restorative material state that the material must be:
able to resemble natural dentition as closely as possible.
Pushing two objects against each other with an axis of rotation is an example of ________ stress.
compressive
Dental restorative materials that are applied, while pliable, to a tooth or teeth and can be adapted, carved, and finished are classified as:
direct restorations
Is the process by which the resin material is changed from a pliable state into a hardened restoration
polymerization
The type of ceramic most often used in dentistry for castings is:
porcelain
A temporary restorative material should be selected to restore a tooth that has
sensitivity
Intermediate restorative material IRM is a
zinc oxide eugenol cement
Materials used to restore posterior teeth must be capable of withstanding
28,000
Before they can be marketed, new dental materials must undergo strict evaluation by the
ADA
A is difined as a mixture of two or more metals
Alloy
Which restorative material are not esthetically pleasing
Amalgam
The silver filling material used for more than 150 years to restore primary and permanent teeth is called
Amalgama
The resin matrix component of composite is dimethacrylate a fluid like materia materia also referred as
BIS-GMA
A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface.
Does not , is not
Which of the following is an advantage to using glass ionomer as a restorative material
Glass ionomer releases fluoride after their final setting
Which of the following one of composite resins is most often used today
Hybrid
The dental restoration created in the laboratory by the dental laboratory technician are classified as restoration
Indirect
In most state expanded functions dental assistant duties include
Placing IRM
A noble metal used for cast restorations in dentistry is
Platinum
The term restorative describe the ability to
Remove disease and restore function
Is added to dental amalgam alloy powder for strength
Silver