Test Bank for Dental Materials 11th Edition by John M. Powers & John C. Wataha Complete Chapter 1-15 With Rationales| A+ PASS

Test Bank for Dental Materials 11th
Edition by John M. Powers & John C.
Wataha
Complete Chapter 1-15 With Rationales| A+ PASS




Page | 1

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




MULTIPLE CHOICE M




1. What causes caries?
M M




a. Food debris
M




b. Materia alba M




c. Acidic foodstuff
M




d. Bacterial plaque M




e. Salivary glycoproteins
M




CORRECT ANSWER:
M M




D
M




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.
M M M M M M M M M M M M M




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




E. Salivary glycoproteins form the acquired enamel pellicle to which bacteria adhere.
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DIF: Knowledge REF: p. 1 M M OBJ: 2 M




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




MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of
M M M M M M M M M M M



Materials
M




2. Caries is most likely to occur on which of the following tooth surfaces?
M M M M M M M M M M M M




a. Buccal

b. Lingual

c. Occlusal

d. Interproximal

e. C and D are both correct.
M M M M M




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,CORRECT ANSWER: E M M




Feedback

A. Buccal surfaces are also susceptible to caries; however, there is less surface area left unchecked.
M M M M M M M M M M M M M M




B. Lingual surfaces are also susceptible to caries; however, there is less surface area left unchecked.
M M M M M M M M M M M M M M




C. Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal
M M M M M M M M M M M M M M M M



tooth surfaces where plaque accumulates unchecked.
M M M M M M




D. Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal
M M M M M M M M M M M M M M M M



tooth surfaces where plaque accumulates unchecked.
M M M M M M




E. Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal
M M M M M M M M M M M M M M M M



tooth surfaces where plaque accumulates unchecked.
M M M M M M




DIF: Knowledge REF: p. 1 M M OBJ: 2 M




TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials,
M M M M M M M M M M M M M M M



including but not limited to a. amalgam, c. composites
M M M M M M M M M




MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
M M M M M M M M




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




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




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




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




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




CORRECT ANSWER: D
M M M




Feedback

A. The alternate choices are all extracoronal restorations used to repair the external.
M M M M M M M M M M M




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.
M M M M M M M M M M M




D. A ceramic inlay on tooth number 14 is an example of an intracoronal restoration, meaning that
M M M M M M M M M M M M M M M



the restoration is being used to repair damage restricted to the internal parts of a tooth. Materials
M M M M M M M M M M M M M M M M M



such as amalgam and composite resin are used in addition to ceramic or cast metal.
M M M M M M M M M M M M M M M




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, DIF: Knowledge REF: p. 4 M M OBJ: 3 M




TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials,
M M M M M M M M M M M M M M M



including but not limited to a. amalgam, c. composites
M M M M M M M M M




MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
M M M M M M M M




4. What is the process called where decay is removed from the tooth in order for a restoration to
M M M M M M M M M M M M M M M M M



be placed?
M M




a. Cavity preparation M




b. Convenience form M




c. Margination

d. Extension

CORRECT ANSWER: A M M




Feedback

A. The process is referred to as cavity preparation. Cavity preparation is used to remove diseased
M M M M M M M M M M M M M M



or damaged tissue and provide a space accessible for restoration and one that can stably retain
M M M M M M M M M M M M M M M M



the restoration.
M M




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.
M M M M M M M M M M




DIF: Knowledge REF: p. 4 M M OBJ: 2 M




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



NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
M M M M M M M M




5. Which of the following is an example of an intracoronal (direct) restoration?
M M M M M M M M M M M




a. Laboratory-cured composite M




b. Dental amalgam M




c. Ceramic veneer M




d. Cast crown M




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