wLBank
Powers: Dental Materials, 10th Edition
wL wL wL wL
Chapter wL01: wLIntroduction wLto wLRestorative wLDental
wL Materials wLTest wLBank
MULTIPLE wLCHOICE
1. Caries wLis wLcaused wLby:
A. food wLdebris.
B. materia wLalba.
C. bacterial wLplaque.
D. salivary wLglycoproteins.
E. acidic
wLfoodstuff.
ANS: w L wL C
Feedback
A Food wLdebris wLdoes wLnot wLhave wLthe wLstructural wLorganization wLof wLbacterial wLplaque
wLbiofilm.
B Materia wLalba wLdoes wLnot wLhave wLthe wLstructural wLorganization wLof wLbacterial
wLplaque wLbiofilm.
C Caries wLis wLcaused wLby wLbacterial wLplaque.
D Salivary wLglycoproteins wLform wLthe wLacquired wLenamel wLpellicle wLto wLwhich
wLbacteria wLadhere.
E Acidic wLfoodstuff wLlowers wLpH wLand wLmay wLdemineralize wLteeth wLbut wLdoes wLnot
wLdirectly wLcause wLdecay.
REF: Pg. wL1
2. Caries wLis wLmost wLlikely wLto wLoccur wLon wLwhich wLof wLthe wLfollowing wLtooth wLsurfaces?
A. Buccal
B. Lingual
C. Occlusal
D. Interproximal
E. C wLand
wL D wLANS:
w L E
Feedback
A Buccal wLsurfaces wLare wLalso wLsusceptible wLto wLcaries; wLhowever, wLthere wLis wLless
wLsurface wLarea wLleft wLunchecked.
B Lingual wLsurfaces wLare wLalso wLsusceptible wLto wLcaries; wLhowever, wLthere wLis wLless
wLsurface wLarea wLleft wLunchecked.
C Caries wLis wLmost wLlikely wLto wLoccur wLin wLpits wLand wLfissures wLon wLthe wLocclusal
wLsurface wLand wLon wLinterproximal wLtooth wLsurfaces wLwhere wLplaque wLaccumulates
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wL unchecked.
D Caries wLis wLmost wLlikely wLto wLoccur wLin wLpits wLand wLfissures wLon wLthe wLocclusal
wLsurface wLand wLon wLinterproximal wLtooth wLsurfaces wLwhere wLplaque wLaccumulates
wLunchecked.
E Caries wLis wLmost wLlikely wLto wLoccur wLin wLpits wLand wLfissures wLon wLthe wLocclusal
wLsurface wLand wLon wLinterproximal wLtooth wLsurfaces wLwhere wLplaque wLaccumulates
wLunchecked.
REF: Pg. wL1
3. Which wLof wLthe wLfollowing wLis wLan wLintracoronal wLrestoration?
A. Ceramic-alloy wLcrown wLon wLtooth wLnumber wL21
B. Ceramic wLveneer wLon wLtooth wLnumber wL8
C. Occlusal wLamalgam wLon wLtooth wLnumber wL14
D. Ceramic wLonlay wLon wLtooth wLnumber
wL 30 wLANS: w L C
Feedback
A The wLalternate wLchoices wLare wLall wLextracoronal wLrestorations wLused wLto wLrepair wLthe
wLexternal.
B The wLalternate wLchoices wLare wLall wLextracoronal wLrestorations wLused wLto wLrepair wLthe
wLexternal.
C An wLocclusal wLamalgam wLon wLtooth wLnumber wL14 wLis wLan wLexample wLof wLan
wLintracoronal wLrestoration, wLmeaning wLthat wLthe wLrestoration wLis wLbeing wLused wLto
wLrepair wLdamage wLrestricted wLto wLthe wLinternal wLparts wLof wLa wLtooth.
D The wLalternate wLchoices wLare wLall wLextracoronal wLrestorations wLused wLto wLrepair wLthe
wLexternal.
REF: Pg. wL2
4. The wLprocess wLby wLwhich wLa wLtooth wLis wLprepared wLto wLreceive wLa wLrestoration wLis wLcalled:
A. convenience wLform.
B. cavity wLpreparation.
C. extension.
D. margination.
ANS: w L wL B
Feedback
A Convenience wLform wLis wLa wLterm wLdescribing wLthe wLnature wLof wLthe wLcavity
wLpreparation.
B The wLprocess wLis wLreferred wLto wLas wLcavity wLpreparation. wLCavity wLpreparation wLis
wLused wLto wLremove wLdiseased wLor wLdamaged wLtissue wLand wLprovide wLa wLspace
wLaccessible wLfor wLrestoration wLand wLone wLthat wLcan wLstably wLretain wLthe
wLrestoration.
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C Extension wLis wLa wLterm wLdescribing wLthe wLnature wLof wLthe wLcavity wLpreparation.
D Margination wLis wLthe wLprocedure wLfor wLfinishing wLthe wLmargins wLof wLa wLrestoration.
REF: Pg. wL4
5. Which wLof wLthe wLfollowing wLis wLan wLexample wLof wLan wLextracoronal wL(direct) wLrestoration?
A. Laboratory-cured wLcomposite
B. Dental wLamalgam
C. Ceramic wLveneer
D. Cast wLcrown
ANS: w L wL B
Feedback
A Laboratory-cured wLcomposite wLis wLa wLrestoration wLthat wLis wLconstructed wLaway wLfrom
wLthe wLpatient wLin wLthe wLdental wLlaboratory.
B Dental wLamalgam wLis wLan wLexample wLof wLa wLdirect wLrestoration. wLAll wLof wLthe
wLother wLrestorations wLare wLprepared wLaway wLfrom wLthe wLtooth wLand wLthen
wLcemented wLor wLbonded wLto wLthe wLtooth wLusing wLa wLprocedure wLthat wLis
wLindependent wLof wLthe wLmanufacturer wLof wLthe wLrestoration.
C Ceramic wLveneer wLis wLa wLrestoration wLthat wLis wLconstructed wLaway wLfrom wLthe
wLpatient wLin wLthe wLdental wLlaboratory.
D Cast wLcrown wLis wLa wLrestoration wLthat wLis wLconstructed wLaway wLfrom wLthe wLpatient wLin
wLthe wLdental wLlaboratory.
REF: Pg. wL4
6. Which wLof wLthe wLfollowing wLis(are) wLexamples wLof wLindirect wLrestorations?
A. Ceramic wLinlay
B. All-ceramic wLcrown
C. Ceramic-alloy wLcrown
D. A, wLB, wLand wLC
E. A wLand
wL C wLANS:
w L D
Feedback
A All wLthree wLrestorations wLinvolve wLlab wLprocedures wLand wLare wLexamples wLof
wLindirect wLrestorations.
B All wLthree wLrestorations wLinvolve wLlab wLprocedures wLand wLare wLexamples wLof
wLindirect wLrestorations.
C All wLthree wLrestorations wLinvolve wLlab wLprocedures wLand wLare wLexamples wLof
wLindirect wLrestorations.
D All wLthree wLrestorations wLinvolve wLlab wLprocedures wLand wLare wLexamples wLof
wLindirect wLrestorations.
Copyright wL© wL2013, wL2008 wLby wLMosby, wLInc., wLan wLaffiliate wLof
wLElsevier wLInc.