,Chapter q01: qIntroduction qto qRestorative qDental qMaterials
qPowers: qDental qMaterials, q11th qEdition
MULTIPLE qCHOICE
1. What qcauses qcaries?
a. Food qdebris
b. Materia qalba
c. Acidic qfoodstuff
d. Bacterial qplaque
e. Salivary qglycoproteins
ANS: q D
Feedback
A Food qdebris qdoes qnot qhave qthe qstructural qorganization qof qbacterial qplaque
qbiofilm.
B Materia qalba qdoes qnot qhave qthe qstructural qorganization qof qbacterial qplaque
qbiofilm.
C Acidic qfoodstuff qlowers qpH qand qmay qdemineralize qteeth qbut qdoes qnot qdirectly
qcause qdecay.
D Caries qis qcaused qby qbiofilm; qalso qknown qas qbacterial qplaque.
E Salivary qglycoproteins qform qthe qacquired qenamel qpellicle qto qwhich qbacteria
qadhere.
DIF: Knowledge REF: q q p. q q 1 OBJ: q q 2
TOP: q CDA, qGC, qV, qA,1b. qPatient qEducation qand qOral qHealth qManagement
MSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.1 qProperties qand qManipulation qof
qMaterials
2. Caries qis qmost qlikely qto qoccur qon qwhich qof qthe qfollowing qtooth qsurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C qand qD qare qboth qcorrect.
ANS: q E
Feedback
A Buccal qsurfaces qare qalso qsusceptible qto qcaries; qhowever, qthere qis qless qsurface
qarea qleft qunchecked.
B Lingual qsurfaces qare qalso qsusceptible qto qcaries; qhowever, qthere qis qless qsurface
qarea qleft qunchecked.
C Caries qis qmost qlikely qto qoccur qin qpits qand qfissures qon qthe qocclusal qsurface qand
qon qinterproximal qtooth qsurfaces qwhere qplaque qaccumulates qunchecked.
D Caries qis qmost qlikely qto qoccur qin qpits qand qfissures qon qthe qocclusal qsurface qand
qon qinterproximal qtooth qsurfaces qwhere qplaque qaccumulates qunchecked.
, E Caries qis qmost qlikely qto qoccur qin qpits qand qfissures qon qthe qocclusal qsurface qand
qon qinterproximal qtooth qsurfaces qwhere qplaque qaccumulates qunchecked.
DIF: Knowledge REF: q q p. q q 1 OBJ: q q 2
TOP: q CDA, qGC, qIII, qB, q1, qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative qmaterials,
qincluding qbut qnot qlimited qto qa. qamalgam, qc. qcomposites
MSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
3. Which qof qthe qfollowing qis qan qintracoronal qrestoration?
a. Ceramic–alloy qcrown qon qtooth qnumber q21
b. Ceramic qveneer qon qtooth qnumber q8
c. Ceramic qonlay qon qtooth qnumber q30
d. Ceramic qinlay qon qtooth qnumber q14
ANS: q D
Feedback
A The qalternate qchoices qare qall qextracoronal qrestorations qused qto qrepair qthe
qexternal.
B The qalternate qchoices qare qall qextracoronal qrestorations qused qto qrepair qthe
qexternal.
C The qalternate qchoices qare qall qextracoronal qrestorations qused qto qrepair qthe
qexternal.
D A qceramic qinlay qon qtooth qnumber q14 qis qan qexample qof qan qintracoronal
qrestoration, qmeaning qthat qthe qrestoration qis qbeing qused qto qrepair qdamage
qrestricted qto qthe qinternal qparts qof qa qtooth. qMaterials qsuch qas qamalgam qand
qcomposite qresin qare qused qin qaddition qto qceramic qor qcast qmetal.
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 3
TOP: q CDA, qGC, qIII, qB, q1, qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative qmaterials,
qincluding qbut qnot qlimited qto qa. qamalgam, qc. qcomposites
MSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
4. What qis qthe qprocess qcalled qwhere qdecay qis qremoved qfrom qthe qtooth qin qorder qfor qa
qrestoration qto qbe qplaced?
a. Cavity qpreparation
b. Convenience qform
c. Margination
d. Extension
ANS: q A
Feedback
A The qprocess qis qreferred qto qas qcavity qpreparation. qCavity qpreparation qis qused
qto qremove qdiseased qor qdamaged qtissue qand qprovide qa qspace qaccessible qfor
qrestoration qand qone qthat qcan qstably qretain qthe qrestoration.
B Convenience qform qis qa qterm qdescribing qthe qnature qof qthe qcavity qpreparation.
C Extension qis qa qterm qdescribing qthe qnature qof qthe qcavity qpreparation.
D Margination qis qthe qprocedure qfor qfinishing qthe qmargins qof qa qrestoration.
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 2
, TOP: q CDA, qGC, qIII.B.1. qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative
qmaterials qMSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
5. Which qof qthe qfollowing qis qan qexample qof qan qintracoronal q(direct) qrestoration?
a. Laboratory-cured qcomposite
b. Dental qamalgam
c. Ceramic qveneer
d. Cast qcrown
ANS: q B
Feedback
A Laboratory-cured qcomposite qis qa qrestoration qthat qis qconstructed qaway qfrom qthe
qpatient qin qthe qdental qlaboratory.
B Dental qamalgam qis qan qexample qof qa qdirect qrestoration. qAll qof qthe qother
qrestorations qare qprepared qaway qfrom qthe qtooth qand qthen qcemented qor qbonded
qto qthe qtooth qusing qa qprocedure qthat qis qindependent qof qthe qmanufacturer qof
qthe qrestoration.
C Ceramic qveneer qis qa qrestoration qthat qis qconstructed qaway qfrom qthe qpatient qin qthe
qdental qlaboratory.
D Cast qcrown qis qa qrestoration qthat qis qconstructed qaway qfrom qthe qpatient qin qthe
qdental qlaboratory.
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 3
TOP: q CDA, qGC, qIII.B.1. qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative
qmaterials qMSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
6. Which qof qthe qfollowing qis qan qexample qof qan qextracoronal qrestoration? qChoose qall qthat qapply.
a. Ceramic qinlay
b. Ceramic–alloy qcrown
c. Porcelain qjacket qcrown
d. A, qB, qand qC
e. A qand qC
ANS: q D
Feedback
A All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
B All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
C All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
D All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
E All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
DIF: Knowledge REF: q q p. q q 5 OBJ: q q 3
qPowers: qDental qMaterials, q11th qEdition
MULTIPLE qCHOICE
1. What qcauses qcaries?
a. Food qdebris
b. Materia qalba
c. Acidic qfoodstuff
d. Bacterial qplaque
e. Salivary qglycoproteins
ANS: q D
Feedback
A Food qdebris qdoes qnot qhave qthe qstructural qorganization qof qbacterial qplaque
qbiofilm.
B Materia qalba qdoes qnot qhave qthe qstructural qorganization qof qbacterial qplaque
qbiofilm.
C Acidic qfoodstuff qlowers qpH qand qmay qdemineralize qteeth qbut qdoes qnot qdirectly
qcause qdecay.
D Caries qis qcaused qby qbiofilm; qalso qknown qas qbacterial qplaque.
E Salivary qglycoproteins qform qthe qacquired qenamel qpellicle qto qwhich qbacteria
qadhere.
DIF: Knowledge REF: q q p. q q 1 OBJ: q q 2
TOP: q CDA, qGC, qV, qA,1b. qPatient qEducation qand qOral qHealth qManagement
MSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.1 qProperties qand qManipulation qof
qMaterials
2. Caries qis qmost qlikely qto qoccur qon qwhich qof qthe qfollowing qtooth qsurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C qand qD qare qboth qcorrect.
ANS: q E
Feedback
A Buccal qsurfaces qare qalso qsusceptible qto qcaries; qhowever, qthere qis qless qsurface
qarea qleft qunchecked.
B Lingual qsurfaces qare qalso qsusceptible qto qcaries; qhowever, qthere qis qless qsurface
qarea qleft qunchecked.
C Caries qis qmost qlikely qto qoccur qin qpits qand qfissures qon qthe qocclusal qsurface qand
qon qinterproximal qtooth qsurfaces qwhere qplaque qaccumulates qunchecked.
D Caries qis qmost qlikely qto qoccur qin qpits qand qfissures qon qthe qocclusal qsurface qand
qon qinterproximal qtooth qsurfaces qwhere qplaque qaccumulates qunchecked.
, E Caries qis qmost qlikely qto qoccur qin qpits qand qfissures qon qthe qocclusal qsurface qand
qon qinterproximal qtooth qsurfaces qwhere qplaque qaccumulates qunchecked.
DIF: Knowledge REF: q q p. q q 1 OBJ: q q 2
TOP: q CDA, qGC, qIII, qB, q1, qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative qmaterials,
qincluding qbut qnot qlimited qto qa. qamalgam, qc. qcomposites
MSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
3. Which qof qthe qfollowing qis qan qintracoronal qrestoration?
a. Ceramic–alloy qcrown qon qtooth qnumber q21
b. Ceramic qveneer qon qtooth qnumber q8
c. Ceramic qonlay qon qtooth qnumber q30
d. Ceramic qinlay qon qtooth qnumber q14
ANS: q D
Feedback
A The qalternate qchoices qare qall qextracoronal qrestorations qused qto qrepair qthe
qexternal.
B The qalternate qchoices qare qall qextracoronal qrestorations qused qto qrepair qthe
qexternal.
C The qalternate qchoices qare qall qextracoronal qrestorations qused qto qrepair qthe
qexternal.
D A qceramic qinlay qon qtooth qnumber q14 qis qan qexample qof qan qintracoronal
qrestoration, qmeaning qthat qthe qrestoration qis qbeing qused qto qrepair qdamage
qrestricted qto qthe qinternal qparts qof qa qtooth. qMaterials qsuch qas qamalgam qand
qcomposite qresin qare qused qin qaddition qto qceramic qor qcast qmetal.
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 3
TOP: q CDA, qGC, qIII, qB, q1, qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative qmaterials,
qincluding qbut qnot qlimited qto qa. qamalgam, qc. qcomposites
MSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
4. What qis qthe qprocess qcalled qwhere qdecay qis qremoved qfrom qthe qtooth qin qorder qfor qa
qrestoration qto qbe qplaced?
a. Cavity qpreparation
b. Convenience qform
c. Margination
d. Extension
ANS: q A
Feedback
A The qprocess qis qreferred qto qas qcavity qpreparation. qCavity qpreparation qis qused
qto qremove qdiseased qor qdamaged qtissue qand qprovide qa qspace qaccessible qfor
qrestoration qand qone qthat qcan qstably qretain qthe qrestoration.
B Convenience qform qis qa qterm qdescribing qthe qnature qof qthe qcavity qpreparation.
C Extension qis qa qterm qdescribing qthe qnature qof qthe qcavity qpreparation.
D Margination qis qthe qprocedure qfor qfinishing qthe qmargins qof qa qrestoration.
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 2
, TOP: q CDA, qGC, qIII.B.1. qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative
qmaterials qMSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
5. Which qof qthe qfollowing qis qan qexample qof qan qintracoronal q(direct) qrestoration?
a. Laboratory-cured qcomposite
b. Dental qamalgam
c. Ceramic qveneer
d. Cast qcrown
ANS: q B
Feedback
A Laboratory-cured qcomposite qis qa qrestoration qthat qis qconstructed qaway qfrom qthe
qpatient qin qthe qdental qlaboratory.
B Dental qamalgam qis qan qexample qof qa qdirect qrestoration. qAll qof qthe qother
qrestorations qare qprepared qaway qfrom qthe qtooth qand qthen qcemented qor qbonded
qto qthe qtooth qusing qa qprocedure qthat qis qindependent qof qthe qmanufacturer qof
qthe qrestoration.
C Ceramic qveneer qis qa qrestoration qthat qis qconstructed qaway qfrom qthe qpatient qin qthe
qdental qlaboratory.
D Cast qcrown qis qa qrestoration qthat qis qconstructed qaway qfrom qthe qpatient qin qthe
qdental qlaboratory.
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 3
TOP: q CDA, qGC, qIII.B.1. qDescribe qhow qto qprepare, qmix, qdeliver, qand qstore qrestorative
qmaterials qMSC: q NBDHE, q6.0 qProviding qSupportive qTreatment qServices, q6.5 qGeneral
6. Which qof qthe qfollowing qis qan qexample qof qan qextracoronal qrestoration? qChoose qall qthat qapply.
a. Ceramic qinlay
b. Ceramic–alloy qcrown
c. Porcelain qjacket qcrown
d. A, qB, qand qC
e. A qand qC
ANS: q D
Feedback
A All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
B All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
C All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
D All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
E All qthree qrestorations qinvolve qlab qprocedures qand qare qexamples qof qindirect
qrestorations.
DIF: Knowledge REF: q q p. q q 5 OBJ: q q 3
