TEST BANK for Dental Materials: Foundations and Applications 11th Edition. by Powers John and Wataha John | Complete 15 Chapters

Dental materials foundations and
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applications
11th edition by Powers
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Chapter 1 to 15dt dt dt




TEST BANK dt

,TABLE OF CONTENT dt dt




NEW! The Nature of Dental Materials
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d t 1.Introduction t o Restorative Dental Materials dt dt dt dt




d t 2.Properties of Dental Materials dt dt dt




3. Preventive Dental Materials dt dt




4. Direct Esthetic R estorative Materials
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dt 5.Dental Amalgam
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6.Finishing, Polishing, and Cleansing Materials
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d t 7.Cements
8.Impression Materials dt




dt 9.Model and Die Materials
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d t 10.Waxes
11.Casting Alloys, Wrought Alloys, and Solders
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d t 12.Casting, S oldering, and Welding dt dt dt




d t 13.Polymers in Prosthodontics dt dt




14. Dental Ceramics dt




d t 15.Dental Implants dt

,Chapter 01: Introduction to Restorative Dental
dt dt dt dt dt


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 dt


b. Materia alba dt


c. Acidic foodstuff dt


d. Bacterial plaque dt


e. Salivary glycoproteins dt




ANS: D dt




Feedback
A Food debris does not have the structural organization of
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bacterial plaque biofilm.
dt d t dt

B Materia alba does not have the structural organization of
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bacterial plaque biofilm.
dt d t dt


C Acidic foodstuff lowers pH and may demineralize teeth but does
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not directly cause decay.
dt d t dt dt


D Caries is caused by biofilm; also known as bacterial plaque.
dt dt dt dt dt dt dt dt dt


E Salivary glycoproteins form the acquired enamel pellicle to
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which bacteria adhere.
dt d t dt




DIF: Knowledge REF: p. 1 OBJ: 2 dt dt d t dt dt d t dt dt d t dt dt d t


TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
dt d t dt dt dt dt dt dt dt dt dt


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.
dt dt dt dt dt




ANS: E dt




Feedback
A Buccal surfaces are also susceptible to caries; however, there is
dt dt dt dt dt dt dt dt dt


less surface area left unchecked.
dt d t dt dt dt


B Lingual surfaces are also susceptible to caries; however, there is
dt dt dt dt dt dt dt dt dt


less surface area left unchecked.
dt d t dt dt dt


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
dt d t dt dt dt dt dt dt


accumulates unchecked.
dt d t


E Caries is most likely to occur in pits and fissures on the occlusal
dt dt dt dt dt dt dt dt dt dt dt dt


surface and on interproximal tooth surfaces where plaque
dt d t dt dt dt dt dt dt


accumulates unchecked.
dt d t




DIF: Knowledge REF: p. 1 OBJ: 2 dt dt d t dt dt d t dt dt d t dt dt d t


TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store
dt d t dt dt dt dt dt dt dt dt dt dt dt dt


restorative materials, including but not limited to a. amalgam, c. composites
dt d t dt dt dt dt dt dt dt dt dt


MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
d t dt dt dt dt dt dt dt




3. Which of the following is an intracoronal restoration?
dt dt dt dt dt dt dt


a. Ceramic–alloy crown on tooth number 21 dt dt dt dt dt


b. Ceramic veneer on tooth number 8 dt dt dt dt dt


c. Ceramic onlay on tooth number 30 dt dt dt dt dt


d. Ceramic inlay on tooth number 14 dt dt dt dt dt




ANS: D dt




Feedback
A The alternate choices are all extracoronal restorations used to
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repair the external.
dt d t dt

B The alternate choices are all extracoronal restorations used to
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repair the external.
dt d t dt

C The alternate choices are all extracoronal restorations used to
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repair the external.
dt d t dt


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.
dt dt dt d t dt dt dt dt dt dt dt dt


Materials such as amalgam and composite resin are used in
dt dt dt d t dt dt dt dt dt dt


addition to ceramic or cast metal.
dt dt dt dt dt d t




DIF: Knowledge REF: p. 4 OBJ: 3 dt dt d t dt dt d t dt dt d t dt dt d t


TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store
dt d t dt dt dt dt dt dt dt dt dt dt dt dt


restorative materials, including but not limited to a. amalgam, c. composites
dt d t dt dt dt dt dt dt dt dt dt


MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
d t dt dt dt dt dt dt dt




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?
dt dt d t dt dt dt


a. Cavity preparation dt


b. Convenience form dt


c. Margination
d. Extension


ANS: A dt