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
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MULTIPLE CHOICE br




1. What causes caries?
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a. Food debris br




b. Materia alba br




c. Acidic foodstuff br




d. Bacterial plaque br




e. Salivary glycoproteins br br




CORRECT ANSWER: D br br




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 b r b r OBJ: 2 b r




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 br br




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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 s
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urfaces 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 s
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urfaces 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 s
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urfaces where plaque accumulates unchecked.
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DIF: Knowledge REF: p. 1 b r b r OBJ: 2 b r




TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, including b
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ut 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 br br br br br




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




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




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




CORRECT ANSWER: D br br




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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 r
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estoration is being used to repair damage restricted to the internal parts of a tooth. Materials such as a
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malgam and composite resin are used in addition to ceramic or cast metal.
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, DIF: Knowledge REF: p. 4 b r b r OBJ: 3 b r




TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, including b
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ut 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 p
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laced?

a. Cavity preparation br




b. Convenience form br




c. Margination

d. Extension

CORRECT ANSWER: A br br




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A. The process is referred to as cavity preparation. Cavity preparation is used to remove diseased or d
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amaged tissue and provide a space accessible for restoration and one that can stably retain the restor
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ation.

B. Convenience form is a term describing the nature of the cavity preparation.
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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.
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DIF: Knowledge REF: p. 4 b r b r OBJ: 2 b r




TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials MSC: NBD
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HE, 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 br




b. Dental amalgam br




c. Ceramic veneer br




d. Cast crown br




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