Which is not true of microleakage?
A) It is caused by different rates of expansion and contraction of tooth structure and restorative materials.
B) It is the minute space between the restoration and tooth structure.
C) It occurs rarely.
D) It allows fluid and debris to enter between the restoration and tooth.
Correct Answer:
Verified
Q20: _ is the process by which the
Q21: Chewing is an example of _ stress.
A)compressive
B)tensile
C)shear
D)all
Q22: _ occurs when a metal restoration is
Q23: The curing process in which it is
Q24: To ensure an accurate ratio of alloy
Q26: The process of setting of a material
Q27: The purpose of packing the amalgam in
Q28: All of the following are advantages of
Q29: The ADA and the National Institute of
Q30: Before they can be marketed,new dental materials
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