Dental Material Quiz 1
Quiz by Thomas, Marlana
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- Q1
Orthophosphoric Acid (Etchant) is commonly used in a ______ concentration.
25%
37%
63%
50%
45s - Q2
Properly etched enamel:
Should have a frosted appearance
Does not benefit from a fluoride treatment following placement of the sealant material because fluoride inhibits good bond formation
Cannot be re-etched if it becomes contaminated during isolation procedures
Must be left slightly moist in order to prevent collagen fibrils from collapsing and occluding the opened tubules
45s - Q3
1. What must be removed from tooth structure beforea bonding material can be placed on dentin?
a. Decay
b. Enamel rods
c. Dentinal tubules
d. Smear layer
Smear layer
Decay
Dentinal tubules
Enamel rods
45s - Q4
Surface discoloration of a metal restoration is called?
Galvanism
Corrosion
Polymerization
Tarnish
45s - Q5
The most common cause of sealant loss is:
bruxism
use of outdated material
use of unfilled material
Moisture contamination
45s