TEST BANK for Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John A+ Updated

,Chapter 01: Introduction to Restorative Dental MaterialsPowers:
n n n n n n n

Dental Materials, 11th Edition
n n n n




MULTIPLEnCHOICE

1. Whatncausesncaries?
a. Foodndebris
b. Materianalba
c. Acidicnfoodstuff
d. Bacterialnplaque
e. Salivarynglycoproteins
ANS:n D

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A Foodndebrisndoesnnotnhaventhenstructuralnorganizationnofnbacterialnplaquenb
iofilm.
B Materianalbandoesnnotnhaventhenstructuralnorganizationnofnbacterialnplaquenbiofil
m.
C AcidicnfoodstuffnlowersnpHnandnmayndemineralizenteethnbutndoesnnotndirectlynca
usendecay.
D Cariesnisncausednbynbiofilm;nalsonknownnasnbacterialnplaque.
E Salivarynglycoproteinsnformnthenacquirednenamelnpelliclentonwhichnbacterianadhe
re.

DIF: Knowledge REF:nnnp.nnn 1 OBJ:n 2
TOP:n CDA,nGC,nV,nA,1b.nPatientnEducationnandnOralnHealthnManagement
MSC:n NBDHE,n6.0nProvidingnSupportivenTreatmentnServices,n6.1nPropertiesnandnManipulationnofnMateri
als

2. Cariesnisnmostnlikelyntonoccurnonnwhichnofnthenfollowingntoothnsurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. CnandnDnarenbothncorrect.
ANS:n E

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A Buccalnsurfacesnarenalsonsusceptiblentoncaries;nhowever,ntherenisnlessnsurfacenareanlef
tnunchecked.
B Lingualnsurfacesnarenalsonsusceptiblentoncaries;nhowever,ntherenisnlessnsurfacenare
anleftnunchecked.
C Cariesnisnmostnlikelyntonoccurninnpitsnandnfissuresnonnthenocclusalnsurfacenandnonninte
rproximalntoothnsurfacesnwherenplaquenaccumulatesnunchecked.
D Cariesnisnmostnlikelyntonoccurninnpitsnandnfissuresnonnthenocclusalnsurfacenandnonninte
rproximalntoothnsurfacesnwherenplaquenaccumulatesnunchecked.

, E Cariesnisnmostnlikelyntonoccurninnpitsnandnfissuresnonnthenocclusalnsurfacenandnonninte
rproximalntoothnsurfacesnwherenplaquenaccumulatesnunchecked.

DIF: Knowledge REF:nnnp.nnn 1 OBJ:n 2
TOP:nCDA,nGC,nIII,nB,n1,nDescribenhowntonprepare,nmix,ndeliver,nandnstorenrestorativenmaterials,nincludin
gnbutnnotnlimitedntona.namalgam,nc.ncomposites
MSC:n NBDHE,n6.0nProvidingnSupportivenTreatmentnServices,n6.5nGeneral

3. Whichnofnthenfollowingnisnannintracoronalnrestoration?
a. Ceramic–alloyncrownnonntoothnnumbern21
b. Ceramicnveneernonntoothnnumbern8
c. Ceramicnonlaynonntoothnnumbern30
d. Ceramicninlaynonntoothnnumbern14
ANS:n D

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A Thenalternatenchoicesnarenallnextracoronalnrestorationsnusedntonrepairnthenexternal.
B Thenalternatenchoicesnarenallnextracoronalnrestorationsnusedntonrepairnthenexternal.
C Thenalternatenchoicesnarenallnextracoronalnrestorationsnusedntonrepairnthenexternal.

D Anceramicninlaynonntoothnnumbern14nisnannexamplenofnannintracoronalnrestoration,n
meaningnthatnthenrestorationnisnbeingnusedntonrepairndamagenrestrictedntonthenintern
alnpartsnofnantooth.nMaterialsnsuchnasnamalgamnandncompositenresinnarenusedninnad
ditionntonceramicnorncastnmetal.

DIF: Knowledge REF:nnnp.nnn 4 OBJ:n 3
TOP:nCDA,nGC,nIII,nB,n1,nDescribenhowntonprepare,nmix,ndeliver,nandnstorenrestorativenmaterials,nincludin
gnbutnnotnlimitedntona.namalgam,nc.ncomposites
MSC:n NBDHE,n6.0nProvidingnSupportivenTreatmentnServices,n6.5nGeneral

4. Whatnisnthenprocessncallednwherendecaynisnremovednfromnthentoothninnordernfornanrestorationntonb
enplaced?
a. Cavitynpreparation
b. Conveniencenform
c. Margination
d. Extension
ANS:n A

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A Thenprocessnisnreferredntonasncavitynpreparation.nCavitynpreparationnisnusedntonre
movendiseasednorndamagedntissuenandnprovidenanspacenaccessiblenfornrestoratio
nnandnonenthatncannstablynretainnthenrestoration.
B Conveniencenformnisnantermndescribingnthennaturenofnthencavitynpreparation.
C Extensionnisnantermndescribingnthennaturenofnthencavitynpreparation.
D Marginationnisnthenprocedurenfornfinishingnthenmarginsnofnanrestoration.

DIF: Knowledge REF:nnnp.nnn 4 OBJ:n 2

, TOP:nCDA,nGC,nIII.B.1.nDescribenhowntonprepare,nmix,ndeliver,nandnstorenrestorativenmaterialsnMSC
:n NBDHE,n6.0nProvidingnSupportivenTreatmentnServices,n6.5nGeneral

5. Whichnofnthenfollowingnisnannexamplenofnannintracoronaln(direct)nrestoration?
a. Laboratory-curedncomposite
b. Dentalnamalgam
c. Ceramicnveneer
d. Castncrown
ANS:n B

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A Laboratory-
curedncompositenisnanrestorationnthatnisnconstructednawaynfromnthenpatientninnthenden
talnlaboratory.
B Dentalnamalgamnisnannexamplenofnandirectnrestoration.nAllnofnthenothernrestorati
onsnarenpreparednawaynfromnthentoothnandnthenncementednornbondedntonthentoothn
usingnanprocedurenthatnisnindependentnofnthenmanufacturernofnthenrestoration.

C Ceramicnveneernisnanrestorationnthatnisnconstructednawaynfromnthenpatientninnthendent
alnlaboratory.
D Castncrownnisnanrestorationnthatnisnconstructednawaynfromnthenpatientninnthendenta
lnlaboratory.

DIF: Knowledge REF:nnnp.nnn 4 OBJ:n 3
TOP:nCDA,nGC,nIII.B.1.nDescribenhowntonprepare,nmix,ndeliver,nandnstorenrestorativenmaterialsnMSC
:n NBDHE,n6.0nProvidingnSupportivenTreatmentnServices,n6.5nGeneral

6. Whichnofnthenfollowingnisnannexamplenofnannextracoronalnrestoration?nChoosenallnthatnapply.
a. Ceramicninlay
b. Ceramic–alloyncrown
c. Porcelainnjacketncrown
d. A,nB,nandnC
e. AnandnC
ANS:n D

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A Allnthreenrestorationsninvolvenlabnproceduresnandnarenexamplesnofnindirectnr
estorations.
B Allnthreenrestorationsninvolvenlabnproceduresnandnarenexamplesnofnindirectnr
estorations.
C Allnthreenrestorationsninvolvenlabnproceduresnandnarenexamplesnofnindirectnr
estorations.
D Allnthreenrestorationsninvolvenlabnproceduresnandnarenexamplesnofnindirectnr
estorations.
E Allnthreenrestorationsninvolvenlabnproceduresnandnarenexamplesnofnindirectnr
estorations.

DIF: Knowledge REF:nnnp.nnn 5 OBJ:n 3