applications
11th edition by Powers
Chapter 1 to 15
TEST BANK
,TABLE OF CONTENT
NEW! The Nature of Dental Materials
1.Introduction to Restorative Dental Materials
2.Properties of Dental Materials
3. Preventive Dental Materials
4. Direct Esthetic Restorative Materials
5. Dental Amalgam
6. Finishing, Polishing, and Cleansing Materials
7.Cements
8.Impression Materials
9.Model and Die Materials
10.Waxes
11.Casting Alloys, Wrought Alloys, and Solders
12.Casting, Soldering, and Welding
13.Polymers in Prosthodontics
14. Dental Ceramics
15. Dental Implants
,Chapter 01: Introduction to Restorative Dental
Materials Powers: Dental Materials, 11th Edition
MULTIPLE
nCHOICE
1. What n causes n caries?
a. Food ndebris
b. Materia nalba
c. Acidic n foodstuff
d. Bacterial nplaque
e. Salivary nglycoproteins
ANS: nD
Feedback
A Food ndebris ndoes nnot nhave nthe nstructural norganization nof nbacterial
nplaque nbiofilm.
B Materia nalba ndoes nnot nhave nthe nstructural norganization nof
nbacterial nplaque nbiofilm.
C Acidic n foodstuff n lowers n pH n and n may n demineralize n teeth n but n does
n not ndirectly ncause ndecay.
D Caries nis ncaused nby nbiofilm; nalso nknown nas nbacterial nplaque.
E Salivary n glycoproteins n form n the n acquired n enamel n pellicle n to n which
nbacteria nadhere.
DIF: Knowledge n n REF: n p. n n 1 OBJ: n n 2
TOP: n CDA, nGC, nV, nA,1b. nPatient nEducation nand nOral nHealth nManagement
MSC: n NBDHE, n6.0 nProviding nSupportive nTreatment nServices, n6.1 nProperties nand
nManipulation nof nMaterials
2. Caries nis nmost nlikely nto noccur non nwhich nof nthe nfollowing ntooth nsurfaces?
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C nand nD nare nboth ncorrect.
ANS: nE
Feedback
A Buccal nsurfaces nare nalso nsusceptible nto ncaries; nhowever, nthere nis nless
nsurface narea nleft nunchecked.
B Lingual n surfaces n are n also n susceptible n to n caries; n however, n there n is
n less nsurface narea nleft nunchecked.
C Caries nis nmost nlikely nto noccur nin npits nand nfissures non nthe nocclusal
nsurface nand non ninterproximal ntooth nsurfaces nwhere nplaque
naccumulates
, unchecked.
D Caries nis nmost nlikely nto noccur nin npits nand nfissures non nthe nocclusal
nsurface nand non ninterproximal ntooth nsurfaces nwhere nplaque
naccumulates nunchecked.
E Caries nis nmost nlikely nto noccur nin npits nand nfissures non nthe nocclusal
nsurface nand non ninterproximal ntooth nsurfaces nwhere nplaque
naccumulates nunchecked.
DIF: Knowledge n n REF: n p. n n 1 OBJ: n n 2
TOP: n CDA, nGC, nIII, nB, n1, nDescribe nhow nto nprepare, nmix, ndeliver, nand nstore
nrestorative nmaterials, nincluding nbut nnot n limited nto na. namalgam, nc. ncomposites
MSC: n NBDHE, n 6.0 nProviding n Supportive n Treatment nServices, n 6.5 n General
3. Which nof nthe nfollowing nis nan nintracoronal nrestoration?
a. Ceramic–alloy ncrown non ntooth nnumber n 21
b. Ceramic n veneer n on n tooth n number n 8
c. Ceramic nonlay n on ntooth n number n 30
d. Ceramic ninlay non ntooth n number n 14
ANS: nD
Feedback
A The nalternate nchoices nare nall nextracoronal nrestorations nused nto nrepair
the n external.
B The nalternate nchoices nare nall nextracoronal nrestorations nused nto
nrepair nthe nexternal.
C The nalternate nchoices nare nall nextracoronal nrestorations nused nto
nrepair nthe nexternal.
D A nceramic ninlay non ntooth nnumber n14 nis nan nexample nof nan
nintracoronal nrestoration, nmeaning nthat nthe nrestoration nis nbeing
nused nto nrepair ndamage nrestricted nto nthe ninternal nparts nof na ntooth.
nMaterials nsuch nas namalgam nand ncomposite nresin nare nused nin
naddition nto nceramic nor ncast nmetal.
DIF: Knowledge n n REF: n p. n n 4 OBJ: n n 3
TOP: n CDA, nGC, nIII, nB, n1, nDescribe nhow nto nprepare, nmix, ndeliver, nand nstore
nrestorative nmaterials, nincluding nbut nnot nlimited nto na. namalgam, nc. ncomposites
MSC: n NBDHE, n 6.0 nProviding n Supportive n Treatment nServices, n 6.5 n General
4. What nis nthe nprocess ncalled nwhere ndecay nis nremoved nfrom nthe ntooth nin norder
n for na nrestoration nto nbe nplaced?
a. Cavity n preparation
b. Convenience nform
c. Margination
d. Extension
ANS: nA