Applications (4th Edition) | Eakle & Bastin
Which of the following direct esthetic restorative materials releases the least fluoride?
A.compomer
b.hybrid ionomers
c. glass ionomer
d. composite - answers-composite
Which of the following direct esthetic restorative materials releases the most fluoride?
a. glass ionomers
b.hybrid ionomers
c. composite
d.compomer - answers-glass ionomer
Which type of composite has the smallest filler particle size? - answers-Nanofilled
The setting reaction of a composite restorative material is: - answers-Polymerization
In a visible, light-curing, direct composite system, the light is absorbed by a(n): - answers-
Diketone, which starts the polymerization reaction in the presence of an organic peroxide
initiator
Which of the following statements is true of the polymerization shrinkage of the composite
restorative materials?
a. microfilled composites shrink less than microhybrid composites b/c microhybrids composites
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, have less resin.
b. stresses from polymerization shrinkage cannot exceed the bond strength of a composite
tooth structure.
c. bulk addition of composite will reduce the effective shrinkage.
d. incremental addition and polymerization of composite in layers will reduce the effective
shrinkage. - answers-incremental addition and polymerization of composite in layers will reduce
the effective shrinkage.
Sensitivity associated with the placement of composite restorations has been reported in about
___% of cases. - answers-10%
The most likely cause(s) of sensitivity following placement of composite restorations is/are:
a. an occlusal inference
b. the use of acid etchant during placement
c. induced internal stress
d. microleakage of bacteria
e. c and d - answers-c and d
induced internal stress and microleakage of bacteria
With ____- generation bond agents, etching and priming are accomplished at the same time,
and rising is not required. - answers-Sixth
Advantages of placing composite into plastic tip syringe and injecting it into the cavity
preparation include that the syringe:
a. allows the use of small mixes
b. reduces incorporation of voids into the composite during insertion.
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