Dental Materials Foundations and Applications 11th Edition Powers Test Bank 2025 I Chapters 1-15 Complete I Q&A with Rationales

Dental materials foundations and
k k k



applications
11thkeditionkbykPowers
Chapterk1ktok15




TEST BANK k

,TABLEkOFkCONTENT

NEW!kThekNaturekofkDentalkMaterialsk 1.Introductionktok
RestorativekDentalkMaterialsk 2.PropertieskofkDentalkMa
terials
3.PreventivekDentalkMaterials
4.DirectkEsthetickRestorativekMaterialsk 5.Den
talkAmalgam
6.Finishing,kPolishing,kandkCleansingkMaterialsk 7.Cemen
ts
8.ImpressionkMaterialsk 9.Modelkan
dkDiekMaterialsk 10.Waxes
11.CastingkAlloys,kWroughtkAlloys,kandkSoldersk 12.Cas
ting,kSoldering,kandkWeldingk 13.PolymerskinkProsthodon
tics
14. DentalkCeramicsk 1
5.DentalkImplants
Chapterk01:kIntroductionktokRestorativekDentalk MaterialskPow
ers:kDentalkMaterials,k11thkEdition

MULTIPLEk CHOICE

1. Whatkcauseskcaries?
a. Foodkdebris
b. Materiakalba
c. Acidickfoodstuff
d. Bacterialkplaque
e. Salivarykglycoproteins


ANS:kD

Feedback
A Foodkdebriskdoesknotkhavekthekstructuralkorganizationkofkbacterialk plaquek
biofilm.
B Materiakalbakdoesknotkhavekthekstructuralkorganizationkofkbacterialk plaquek
biofilm.
C AcidickfoodstuffklowerskpHkandkmaykdemineralizekteethkbutkdoesknotk directlyk
causekdecay.
D Carieskiskcausedkbykbiofilm;kalsokknownkaskbacterialkplaque.

, E Salivarykglycoproteinskformkthekacquiredkenamelkpelliclektokwhichk bacteriak
adhere.

DIF: Knowledgekkk REF:kkkp.kkk 1 OBJ:kkk 2
TOP:kk CDA,kGC,kV,kA,1b.kPatientkEducationkandkOralkHealthkManagement
MSC:k NBDHE,k6.0kProvidingkSupportivekTreatmentkServices,k6.1kPropertieskandk Manipulatio
nkofkMaterials

2. Carieskiskmostklikelyktokoccurkonkwhichkofkthekfollowingktoothksurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. CkandkDkarekbothkcorrect.


ANS:kE

Feedback
A Buccalksurfaceskarekalsoksusceptiblektokcaries;khowever,ktherekisklessk surfacekar
eakleftkunchecked.
B Lingualksurfaceskarekalsoksusceptiblektokcaries;khowever,ktherekisklessk surfacekar
eakleftkunchecked.
C Carieskiskmostklikelyktokoccurkinkpitskandkfissureskonkthekocclusalksurfacek andkonkinte
rproximalktoothksurfaceskwherekplaquekaccumulates
unchecked.

D Carieskiskmostklikelyktokoccurkinkpitskandkfissureskonkthekocclusalksurfacek andkonkinte
rproximalktoothksurfaceskwherekplaquekaccumulatesk unchecked.

E Carieskiskmostklikelyktokoccurkinkpitskandkfissureskonkthekocclusalksurfacek andkonkinte
rproximalktoothksurfaceskwherekplaquekaccumulatesk unchecked.


DIF: Knowledgekkk REF:kkkp.kkk 1 OBJ:kkk 2
TOP:kk CDA,kGC,kIII,kB,k1,kDescribekhowktokprepare,kmix,kdeliver,kandkstorekrestorativek materials,kinc
ludingkbutknotklimitedktoka.kamalgam,kc.kcomposites
MSC:k NBDHE,k6.0kProvidingkSupportivekTreatmentkServices,k6.5kGeneral

3. Whichkofkthekfollowingkiskankintracoronalkrestoration?
a. Ceramic–alloykcrownkonktoothknumberk21
b. Ceramickveneerkonktoothknumberk8
c. Ceramickonlaykonktoothknumberk30
d. Ceramickinlaykonktoothknumberk14


ANS:kD

Feedback
A Thekalternatekchoiceskarekallkextracoronalkrestorationskusedktokrepairk thekexter
nal.
B Thekalternatekchoiceskarekallkextracoronalkrestorationskusedktokrepairk thekexter
nal.

, C Thekalternatekchoiceskarekallkextracoronalkrestorationskusedktokrepairk thekexter
nal.
D Akceramickinlaykonktoothknumberk14kiskankexamplekofkankintracoronalk restoratio
n,kmeaningkthatkthekrestorationkiskbeingkusedktokrepairk damagekrestrictedktokthe
kinternalkpartskofkaktooth.kMaterialsksuchkask amalgamkandkcompositekresinkarek
usedkinkadditionktokceramickorkcastk metal.


DIF: Knowledgekkk REF:kkkp.kkk 4 OBJ:kkk 3
TOP:kk CDA,kGC,kIII,kB,k1,kDescribekhowktokprepare,kmix,kdeliver,kandkstorekrestorativek materials,kinc
ludingkbutknotklimitedktoka.kamalgam,kc.kcomposites
MSC:k NBDHE,k6.0kProvidingkSupportivekTreatmentkServices,k6.5kGeneral

4. Whatkiskthekprocesskcalledkwherekdecaykiskremovedkfromkthektoothkinkorderkforkak restoratio
nktokbekplaced?
a. Cavitykpreparation
b. Conveniencekform
c. Margination
d. Extension


ANS:kA
Feedback
A Thekprocesskiskreferredktokaskcavitykpreparation.kCavitykpreparationkisk usedktokr
emovekdiseasedkorkdamagedktissuekandkprovidekakspacek accessiblekforkrestora
tionkandkonekthatkcankstablykretainkthek restoration.

B Conveniencekformkiskaktermkdescribingktheknaturekofkthekcavityk preparat
ion.
C Extensionkiskaktermkdescribingktheknaturekofkthekcavitykpreparation.
D Marginationkiskthekprocedurekforkfinishingkthekmarginskofkakrestoration.

DIF: Knowledgekkk REF:kkkp.kkk 4 OBJ:kkk 2
TOP:kk CDA,kGC,kIII.B.1.kDescribekhowktokprepare,kmix,kdeliver,kandkstorekrestorativek materialskMSC:k NB
DHE,k6.0kProvidingkSupportivekTreatmentkServices,k6.5kGeneral

5. Whichkofkthekfollowingkiskankexamplekofkankintracoronalk(direct)krestoration?
a. Laboratory-curedkcomposite
b. Dentalkamalgam
c. Ceramickveneer
d. Castkcrown


ANS:kB

Feedback
A Laboratory-
curedkcompositekiskakrestorationkthatkiskconstructedkawayk fromkthekpatientkinkthe
B dentalkkamalgam
kDental laboratory.
kiskankexamplekofkakdirectkrestoration.kAllkofkthekotherk restorat
ionskarekpreparedkawaykfromkthektoothkandkthenkcementedkork bondedktokthekt
oothkusingkakprocedurekthatkiskindependentkofkthek manufacturerkofkthekrestorati
on.
C Ceramickveneerkiskakrestorationkthatkiskconstructedkawaykfromkthek patientki
nkthekdentalklaboratory.