Dental materials foundations and
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applications
11th edition by Powers
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Chapter 1 to 15ht ht ht
TEST BANK ht
,TABLE OF CONTENT ht ht
NEW! The Nature of Dental Materials
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h t 1.Introduction t o Restorative Dental Materials ht ht ht ht
h t 2.Properties of Dental Materials ht ht ht
3. Preventive Dental Materials ht ht
4. Direct Esthetic R estorative Materials
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ht 5.Dental Amalgam
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6.Finishing, Polishing, and C leansing Materials
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h t 7.Cements
8.Impression Materials ht
ht 9.Model and Die Materials
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h t 10.Waxes
11.Casting Alloys, Wrought Alloys, and S olders
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h t 12.Casting, Soldering, and Welding ht ht ht
h t 13.Polymers in Prosthodontics ht ht
14. Dental Ceramics ht
h t 15.Dental Implants ht
,Chapter 01: Introduction to Restorative Dental
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Materials Powers: Dental Materials, 11th Edition
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MULTIPLE
CHOICE
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1. What causes caries?
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a. Food debris ht
b. Materia alba ht
c. Acidic foodstuff ht
d. Bacterial plaque ht
e. Salivary glycoproteins ht
ANS: D ht
Feedback
A Food debris does not have the structural organization of
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bacterial plaque biofilm.
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B Materia alba does not have the structural organization of
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bacterial plaque biofilm.
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C Acidic foodstuff lowers pH and may demineralize teeth but does
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not directly cause decay.
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D Caries is caused by biofilm; also known as bacterial plaque.
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E Salivary glycoproteins form the acquired enamel pellicle to
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which bacteria adhere.
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DIF: Knowledge REF: p. 1 OBJ: 2 ht ht h t ht ht ht ht ht h t ht ht h t
TOP: CDA, GC, V , A,1b. Patient Education and Oral Health Management
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties
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and Manipulation of Materials
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2. Caries is most likely to occur on which of the following tooth surfaces?
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a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
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ANS: E ht
Feedback
A Buccal surfaces are also susceptible to caries; however, there is
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less surface area left unchecked.
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B Lingual surfaces are also susceptible to caries; however, there is
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less surface area left unchecked.
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C Caries is most likely to occur in pits and fissures on the occlusal
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surface and on interproximal tooth surfaces where plaque
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accumulates
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, unchecked.
D Caries is most likely to occur in pits and fissures on the occlusal
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surface and on interproximal tooth surfaces where plaque
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accumulates unchecked.
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E Caries is most likely to occur in pits and fissures on the occlusal
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surface and on interproximal tooth surfaces where plaque
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accumulates unchecked.
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DIF: Knowledge REF: p. 1 OBJ: 2 ht ht h t ht ht ht ht ht h t ht ht h t
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store
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restorative materials, including but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
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3. Which of the following is an intracoronal restoration?
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a. Ceramic–alloy crown on tooth number 21 ht ht ht ht ht
b. Ceramic veneer on tooth number 8 ht ht ht ht ht
c. Ceramic onlay on tooth number 30 ht ht ht ht ht
d. Ceramic inlay on tooth number 14 ht ht ht ht ht
ANS: D ht
Feedback
A The alternate choices are all extracoronal restorations used to
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repair the external.
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B The alternate choices are all extracoronal restorations used to
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repair the external.
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C The alternate choices are all extracoronal restorations used to
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repair the external.
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D A ceramic inlay on tooth number 14 is an example of an
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intracoronal restoration, meaning that the restoration is being
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used to repair damage restricted to the internal parts of a tooth.
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Materials such as amalgam and composite resin are used in
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addition to ceramic or cast metal.
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DIF: Knowledge REF: p. 4 OBJ: 3 ht ht h t ht ht ht ht ht h t ht ht h t
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store
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restorative materials, including but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
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4. What is the process called where decay is removed from the tooth in order
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for a restoration to be placed?
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a. Cavity preparation ht
b. Convenience form ht
c. Margination
d. Extension
ANS: A ht
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applications
11th edition by Powers
ht ht ht
Chapter 1 to 15ht ht ht
TEST BANK ht
,TABLE OF CONTENT ht ht
NEW! The Nature of Dental Materials
ht ht ht ht ht
h t 1.Introduction t o Restorative Dental Materials ht ht ht ht
h t 2.Properties of Dental Materials ht ht ht
3. Preventive Dental Materials ht ht
4. Direct Esthetic R estorative Materials
ht ht ht
ht 5.Dental Amalgam
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6.Finishing, Polishing, and C leansing Materials
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h t 7.Cements
8.Impression Materials ht
ht 9.Model and Die Materials
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h t 10.Waxes
11.Casting Alloys, Wrought Alloys, and S olders
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h t 12.Casting, Soldering, and Welding ht ht ht
h t 13.Polymers in Prosthodontics ht ht
14. Dental Ceramics ht
h t 15.Dental Implants ht
,Chapter 01: Introduction to Restorative Dental
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Materials Powers: Dental Materials, 11th Edition
h t ht ht ht ht ht
MULTIPLE
CHOICE
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1. What causes caries?
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a. Food debris ht
b. Materia alba ht
c. Acidic foodstuff ht
d. Bacterial plaque ht
e. Salivary glycoproteins ht
ANS: D ht
Feedback
A Food debris does not have the structural organization of
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bacterial plaque biofilm.
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B Materia alba does not have the structural organization of
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bacterial plaque biofilm.
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C Acidic foodstuff lowers pH and may demineralize teeth but does
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not directly cause decay.
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D Caries is caused by biofilm; also known as bacterial plaque.
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E Salivary glycoproteins form the acquired enamel pellicle to
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which bacteria adhere.
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DIF: Knowledge REF: p. 1 OBJ: 2 ht ht h t ht ht ht ht ht h t ht ht h t
TOP: CDA, GC, V , A,1b. Patient Education and Oral Health Management
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties
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and Manipulation of Materials
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2. Caries is most likely to occur on which of the following tooth surfaces?
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a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
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ANS: E ht
Feedback
A Buccal surfaces are also susceptible to caries; however, there is
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less surface area left unchecked.
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B Lingual surfaces are also susceptible to caries; however, there is
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less surface area left unchecked.
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C Caries is most likely to occur in pits and fissures on the occlusal
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surface and on interproximal tooth surfaces where plaque
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accumulates
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, unchecked.
D Caries is most likely to occur in pits and fissures on the occlusal
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surface and on interproximal tooth surfaces where plaque
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accumulates unchecked.
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E Caries is most likely to occur in pits and fissures on the occlusal
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surface and on interproximal tooth surfaces where plaque
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accumulates unchecked.
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DIF: Knowledge REF: p. 1 OBJ: 2 ht ht h t ht ht ht ht ht h t ht ht h t
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store
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restorative materials, including but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
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3. Which of the following is an intracoronal restoration?
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a. Ceramic–alloy crown on tooth number 21 ht ht ht ht ht
b. Ceramic veneer on tooth number 8 ht ht ht ht ht
c. Ceramic onlay on tooth number 30 ht ht ht ht ht
d. Ceramic inlay on tooth number 14 ht ht ht ht ht
ANS: D ht
Feedback
A The alternate choices are all extracoronal restorations used to
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repair the external.
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B The alternate choices are all extracoronal restorations used to
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repair the external.
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C The alternate choices are all extracoronal restorations used to
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repair the external.
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D A ceramic inlay on tooth number 14 is an example of an
ht ht ht ht ht ht ht ht ht ht ht
intracoronal restoration, meaning that the restoration is being
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used to repair damage restricted to the internal parts of a tooth.
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Materials such as amalgam and composite resin are used in
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addition to ceramic or cast metal.
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DIF: Knowledge REF: p. 4 OBJ: 3 ht ht h t ht ht ht ht ht h t ht ht h t
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store
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restorative materials, including but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
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4. What is the process called where decay is removed from the tooth in order
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for a restoration to be placed?
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a. Cavity preparation ht
b. Convenience form ht
c. Margination
d. Extension
ANS: A ht