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

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

Dental Materials, 11th Edition
p p p p




MULTIPLEpCHOICE

1. Whatpcausespcaries?
a. Foodpdebris
b. Materiapalba
c. Acidicpfoodstuff
d. Bacterialpplaque
e. Salivarypglycoproteins
ANS:p D

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A Foodpdebrispdoespnotphavepthepstructuralporganizationpofpbacterialpplaquepb
iofilm.
B Materiapalbapdoespnotphavepthepstructuralporganizationpofpbacterialpplaquepbiofil
m.
C AcidicpfoodstuffplowersppHpandpmaypdemineralizepteethpbutpdoespnotpdirectlypca
usepdecay.
D Cariespispcausedpbypbiofilm;palsopknownpaspbacterialpplaque.
E Salivarypglycoproteinspformpthepacquiredpenamelppellicleptopwhichpbacteriapadhe
re.

DIF: Knowledge REF:pppp.ppp 1 OBJ:p 2
TOP:p CDA,pGC,pV,pA,1b.pPatientpEducationpandpOralpHealthpManagement
MSC:p NBDHE,p6.0pProvidingpSupportivepTreatmentpServices,p6.1pPropertiespandpManipulationpofpMateri
als

2. Cariespispmostplikelyptopoccurponpwhichpofpthepfollowingptoothpsurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. CpandpDparepbothpcorrect.
ANS:p E

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A Buccalpsurfacesparepalsopsusceptibleptopcaries;phowever,ptherepisplesspsurfacepareaplef
tpunchecked.
B Lingualpsurfacesparepalsopsusceptibleptopcaries;phowever,ptherepisplesspsurfacepare
apleftpunchecked.
C Cariespispmostplikelyptopoccurpinppitspandpfissuresponpthepocclusalpsurfacepandponpinte
rproximalptoothpsurfacespwherepplaquepaccumulatespunchecked.
D Cariespispmostplikelyptopoccurpinppitspandpfissuresponpthepocclusalpsurfacepandponpinte
rproximalptoothpsurfacespwherepplaquepaccumulatespunchecked.

, E Cariespispmostplikelyptopoccurpinppitspandpfissuresponpthepocclusalpsurfacepandponpinte
rproximalptoothpsurfacespwherepplaquepaccumulatespunchecked.

DIF: Knowledge REF:pppp.ppp 1 OBJ:p 2
TOP:pCDA,pGC,pIII,pB,p1,pDescribephowptopprepare,pmix,pdeliver,pandpstoreprestorativepmaterials,pincludin
gpbutpnotplimitedptopa.pamalgam,pc.pcomposites
MSC:p NBDHE,p6.0pProvidingpSupportivepTreatmentpServices,p6.5pGeneral

3. Whichpofpthepfollowingpispanpintracoronalprestoration?
a. Ceramic–alloypcrownponptoothpnumberp21
b. Ceramicpveneerponptoothpnumberp8
c. Ceramicponlayponptoothpnumberp30
d. Ceramicpinlayponptoothpnumberp14
ANS:p D

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A Thepalternatepchoicesparepallpextracoronalprestorationspusedptoprepairpthepexternal.
B Thepalternatepchoicesparepallpextracoronalprestorationspusedptoprepairpthepexternal.
C Thepalternatepchoicesparepallpextracoronalprestorationspusedptoprepairpthepexternal.

D Apceramicpinlayponptoothpnumberp14pispanpexamplepofpanpintracoronalprestoration,p
meaningpthatptheprestorationpispbeingpusedptoprepairpdamageprestrictedptopthepintern
alppartspofpaptooth.pMaterialspsuchpaspamalgampandpcompositepresinparepusedpinpad
ditionptopceramicporpcastpmetal.

DIF: Knowledge REF:pppp.ppp 4 OBJ:p 3
TOP:pCDA,pGC,pIII,pB,p1,pDescribephowptopprepare,pmix,pdeliver,pandpstoreprestorativepmaterials,pincludin
gpbutpnotplimitedptopa.pamalgam,pc.pcomposites
MSC:p NBDHE,p6.0pProvidingpSupportivepTreatmentpServices,p6.5pGeneral

4. Whatpispthepprocesspcalledpwherepdecaypispremovedpfromptheptoothpinporderpforpaprestorationptopb
epplaced?
a. Cavityppreparation
b. Conveniencepform
c. Margination
d. Extension
ANS:p A

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A Thepprocesspispreferredptopaspcavityppreparation.pCavityppreparationpispusedptopre
movepdiseasedporpdamagedptissuepandpprovidepapspacepaccessiblepforprestoratio
npandponepthatpcanpstablypretainptheprestoration.
B Conveniencepformpispaptermpdescribingpthepnaturepofpthepcavityppreparation.
C Extensionpispaptermpdescribingpthepnaturepofpthepcavityppreparation.
D Marginationpispthepprocedurepforpfinishingpthepmarginspofpaprestoration.

DIF: Knowledge REF:pppp.ppp 4 OBJ:p 2

, TOP:pCDA,pGC,pIII.B.1.pDescribephowptopprepare,pmix,pdeliver,pandpstoreprestorativepmaterialspMSC
:p NBDHE,p6.0pProvidingpSupportivepTreatmentpServices,p6.5pGeneral

5. Whichpofpthepfollowingpispanpexamplepofpanpintracoronalp(direct)prestoration?
a. Laboratory-curedpcomposite
b. Dentalpamalgam
c. Ceramicpveneer
d. Castpcrown
ANS:p B

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A Laboratory-
curedpcompositepispaprestorationpthatpispconstructedpawaypfromptheppatientpinpthepden
talplaboratory.
B Dentalpamalgampispanpexamplepofpapdirectprestoration.pAllpofpthepotherprestorati
onspareppreparedpawaypfromptheptoothpandpthenpcementedporpbondedptoptheptoothp
usingpapprocedurepthatpispindependentpofpthepmanufacturerpofptheprestoration.

C Ceramicpveneerpispaprestorationpthatpispconstructedpawaypfromptheppatientpinpthepdent
alplaboratory.
D Castpcrownpispaprestorationpthatpispconstructedpawaypfromptheppatientpinpthepdenta
lplaboratory.

DIF: Knowledge REF:pppp.ppp 4 OBJ:p 3
TOP:pCDA,pGC,pIII.B.1.pDescribephowptopprepare,pmix,pdeliver,pandpstoreprestorativepmaterialspMSC
:p NBDHE,p6.0pProvidingpSupportivepTreatmentpServices,p6.5pGeneral

6. Whichpofpthepfollowingpispanpexamplepofpanpextracoronalprestoration?pChoosepallpthatpapply.
a. Ceramicpinlay
b. Ceramic–alloypcrown
c. Porcelainpjacketpcrown
d. A,pB,pandpC
e. ApandpC
ANS:p D

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A Allpthreeprestorationspinvolveplabpprocedurespandparepexamplespofpindirectpr
estorations.
B Allpthreeprestorationspinvolveplabpprocedurespandparepexamplespofpindirectpr
estorations.
C Allpthreeprestorationspinvolveplabpprocedurespandparepexamplespofpindirectpr
estorations.
D Allpthreeprestorationspinvolveplabpprocedurespandparepexamplespofpindirectpr
estorations.
E Allpthreeprestorationspinvolveplabpprocedurespandparepexamplespofpindirectpr
estorations.

DIF: Knowledge REF:pppp.ppp 5 OBJ:p 3