TEST BANK FOR Dental Materials: Foundations and Applications 11th Edition by John M. Powers, John C. Wataha ISBN: 978-0323316378 COMPLETE GUIDE ALL CHAPTERS COVERED 100% VERIFIED A+ GRADE ASSURED!!!!!NEW LATEST UPDATE!!!!!

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, Chapter 01: Introduction to Restorative Dental Materials zl zl zl zl zl zl




MULTIPLE CHOICE zl




1. What causes caries?
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a. Food debris zl




b. Materia alba zl




c. Acidic foodstuff zl




d. Bacterial plaque zl




e. Salivary glycoproteins zl zl




CORRECT ANSWER: D zl zl




Feedback

A. Food debris does not have the structural organization of bacterial plaque biofilm.
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B. Materia alba does not have the structural organization of bacterial plaque biofilm.
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C. Acidic foodstuff lowers pH and may demineralize teeth but does 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 which bacteria adhere.
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DIF: Knowledge REF: p. 1 z l z l OBJ: 2 z l




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 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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,CORRECT ANSWER: E zl zl




Feedback

A. Buccal surfaces are also susceptible to caries; however, there is less surface area left unchecked.
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B. Lingual surfaces are also susceptible to caries; however, there is less surface area left unchecked.
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C. Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal tooth su
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rfaces where plaque accumulates unchecked.
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D. Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal tooth su
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rfaces where plaque accumulates unchecked.
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E. Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal tooth su
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rfaces where plaque accumulates unchecked.
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DIF: Knowledge REF: p. 1 z l z l OBJ: 2 z l




TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, including bu
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t 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 zl zl zl zl zl




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




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




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




CORRECT ANSWER: D zl zl




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A. The alternate choices are all extracoronal restorations used to repair the external.
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B. The alternate choices are all extracoronal restorations used to repair the external.
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C. The alternate choices are all extracoronal restorations used to repair the external.
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D. A ceramic inlay on tooth number 14 is an example of an intracoronal restoration, meaning that the re
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storation is being used to repair damage restricted to the internal parts of a tooth. Materials such as ama
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lgam and composite resin are used in addition to ceramic or cast metal.
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, DIF: Knowledge REF: p. 4 z l z l OBJ: 3 z l




TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, including bu
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t 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 for a restoration to be pla
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ced?

a. Cavity preparation zl




b. Convenience form zl




c. Margination

d. Extension

CORRECT ANSWER: A zl zl




Feedback

A. The process is referred to as cavity preparation. Cavity preparation is used to remove diseased or da
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maged tissue and provide a space accessible for restoration and one that can stably retain the restorati
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on.

B. Convenience form is a term describing the nature of the cavity preparation. zl zl zl zl zl zl zl zl zl zl zl




C. Extension is a term describing the nature of the cavity preparation.
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D. Margination is the procedure for finishing the margins of a restoration. zl zl zl zl zl zl zl zl zl zl




DIF: Knowledge REF: p. 4 z l z l OBJ: 2 z l




TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials MSC: NBDH
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E, 6.0 Providing Supportive Treatment Services, 6.5 General
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5. Which of the following is an example of an intracoronal (direct) restoration?
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a. Laboratory-cured composite zl




b. Dental amalgam zl




c. Ceramic veneer zl




d. Cast crown zl




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