al materials foundations and applications11th edition by powers test bank.

,Chapter 01: Introduction to Restorative Dental Materials Powers:
f f f f f f f f

Dental Materials, 11th Edition
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MULTIPLEfCHOICE

1. Whatfcausesfcaries?
a. Foodfdebris
b. Materiafalba
c. Acidicffoodstuff
d. Bacterialfplaque
e. Salivaryfglycoproteins
ANS:f D

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A Foodfdebrisfdoesfnotfhavefthefstructuralforganizationfoffbacterialfplaquefbiofilm.

B Materiafalbafdoesfnotfhavefthefstructuralforganizationfoffbacterialfplaquefbiofilm.

C AcidicffoodstuffflowersfpHfandfmayfdemineralizefteethfbutfdoesfnotfdirectlyfcausef
decay.
D Cariesfisfcausedfbyfbiofilm;falsofknownfasfbacterialfplaque.
E Salivaryfglycoproteinsfformfthefacquiredfenamelfpellicleftofwhichfbacteriafadhere.


DIF: Knowledge REF:f f p.f f 1 OBJ:f f 2
TOP:f CDA,fGC,fV,fA,1b.fPatientfEducationfandfOralfHealthfManagement
MSC:f NBDHE,f6.0fProvidingfSupportivefTreatmentfServices,f6.1fPropertiesfandfManipulationfoffMaterial
s

2. Cariesfisfmostflikelyftofoccurfonfwhichfofftheffollowingftoothfsurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. CfandfDfarefbothfcorrect.
ANS:f E

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A Buccalfsurfacesfarefalsofsusceptibleftofcaries;fhowever,ftherefisflessfsurfacefareafleftfu
nchecked.
B Lingualfsurfacesfarefalsofsusceptibleftofcaries;fhowever,ftherefisflessfsurfacefareafle
ftfunchecked.
C Cariesfisfmostflikelyftofoccurfinfpitsfandffissuresfonfthefocclusalfsurfacefandfonfinterpr
oximalftoothfsurfacesfwherefplaquefaccumulatesfunchecked.
D Cariesfisfmostflikelyftofoccurfinfpitsfandffissuresfonfthefocclusalfsurfacefandfonfinterpr
oximalftoothfsurfacesfwherefplaquefaccumulatesfunchecked.

, E Cariesfisfmostflikelyftofoccurfinfpitsfandffissuresfonfthefocclusalfsurfacefandfonfinterpr
oximalftoothfsurfacesfwherefplaquefaccumulatesfunchecked.

DIF: Knowledge REF:f f p.f f 1 OBJ:f f 2
TOP:f CDA,fGC,fIII,fB,f1,fDescribefhowftofprepare,fmix,fdeliver,fandfstorefrestorativefmaterials,fincludingfb
utfnotflimitedftofa.famalgam,fc.fcomposites
MSC:f NBDHE,f6.0fProvidingfSupportivefTreatmentfServices,f6.5fGeneral

3. Whichfofftheffollowingfisfanfintracoronalfrestoration?
a. Ceramic–alloyfcrownfonftoothfnumberf21
b. Ceramicfveneerfonftoothfnumberf8
c. Ceramicfonlayfonftoothfnumberf30
d. Ceramicfinlayfonftoothfnumberf14
ANS:f D

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A Thefalternatefchoicesfarefallfextracoronalfrestorationsfusedftofrepairfthefexternal.
B Thefalternatefchoicesfarefallfextracoronalfrestorationsfusedftofrepairfthefexternal.
C Thefalternatefchoicesfarefallfextracoronalfrestorationsfusedftofrepairfthefexternal.

D Afceramicfinlayfonftoothfnumberf14fisfanfexamplefoffanfintracoronalfrestoration,fme
aningfthatfthefrestorationfisfbeingfusedftofrepairfdamagefrestrictedftofthefinternalfpar
tsfoffaftooth.fMaterialsfsuchfasfamalgamfandfcompositefresinfarefusedfinfadditionftof
ceramicforfcastfmetal.

DIF: Knowledge REF:f f p.f f 4 OBJ:f f 3
TOP:f CDA,fGC,fIII,fB,f1,fDescribefhowftofprepare,fmix,fdeliver,fandfstorefrestorativefmaterials,fincludingfb
utfnotflimitedftofa.famalgam,fc.fcomposites
MSC:f NBDHE,f6.0fProvidingfSupportivefTreatmentfServices,f6.5fGeneral

4. Whatfisfthefprocessfcalledfwherefdecayfisfremovedffromftheftoothfinforderfforfafrestorationftofbefpl
aced?
a. Cavityfpreparation
b. Conveniencefform
c. Margination
d. Extension
ANS:f A

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A Thefprocessfisfreferredftofasfcavityfpreparation.fCavityfpreparationfisfusedftofremo
vefdiseasedforfdamagedftissuefandfprovidefafspacefaccessiblefforfrestorationfandfo
nefthatfcanfstablyfretainfthefrestoration.
B Conveniencefformfisfaftermfdescribingfthefnaturefoffthefcavityfpreparation.
C Extensionfisfaftermfdescribingfthefnaturefoffthefcavityfpreparation.
D Marginationfisfthefprocedurefforffinishingfthefmarginsfoffafrestoration.

DIF: Knowledge REF:f f p.f f 4 OBJ:f f 2

, TOP:f CDA,fGC,fIII.B.1.fDescribefhowftofprepare,fmix,fdeliver,fandfstorefrestorativefmaterialsfMSC:f
NBDHE,f6.0fProvidingfSupportivefTreatmentfServices,f6.5fGeneral

5. Whichfofftheffollowingfisfanfexamplefoffanfintracoronalf(direct)frestoration?
a. Laboratory-curedfcomposite
b. Dentalfamalgam
c. Ceramicfveneer
d. Castfcrown
ANS:f B

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A Laboratory-
curedfcompositefisfafrestorationfthatfisfconstructedfawayffromfthefpatientfinfthefdental
flaboratory.

B Dentalfamalgamfisfanfexamplefoffafdirectfrestoration.fAllfoffthefotherfrestorationsf
arefpreparedfawayffromftheftoothfandfthenfcementedforfbondedftoftheftoothfusingfaf
procedurefthatfisfindependentfoffthefmanufacturerfoffthefrestoration.

C Ceramicfveneerfisfafrestorationfthatfisfconstructedfawayffromfthefpatientfinfthefdentalf
laboratory.
D Castfcrownfisfafrestorationfthatfisfconstructedfawayffromfthefpatientfinfthefdentalfla
boratory.

DIF: Knowledge REF:f f p.f f 4 OBJ:f f 3
TOP:f CDA,fGC,fIII.B.1.fDescribefhowftofprepare,fmix,fdeliver,fandfstorefrestorativefmaterialsfMSC:f
NBDHE,f6.0fProvidingfSupportivefTreatmentfServices,f6.5fGeneral

6. Whichfofftheffollowingfisfanfexamplefoffanfextracoronalfrestoration?fChoosefallfthatfapply.
a. Ceramicfinlay
b. Ceramic–alloyfcrown
c. Porcelainfjacketfcrown
d. A,fB,fandfC
e. AfandfC
ANS:f D

Feedback
A Allfthreefrestorationsfinvolveflabfproceduresfandfarefexamplesfoffindirectfrestoration
s.
B Allfthreefrestorationsfinvolveflabfproceduresfandfarefexamplesfoffindirectfrestoration
s.
C Allfthreefrestorationsfinvolveflabfproceduresfandfarefexamplesfoffindirectfrestoration
s.
D Allfthreefrestorationsfinvolveflabfproceduresfandfarefexamplesfoffindirectfrestoration
s.
E Allfthreefrestorationsfinvolveflabfproceduresfandfarefexamplesfoffindirectfrestoration
s.

DIF: Knowledge REF:f f p.f f 5 OBJ:f f 3