Test Bank For Dental Materials Properties And Manipulation 10th Edition By John M. Powers

Test Bank For Dental Materials Properties And Manipulation 10th Edition By John M. Powers

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Edition: 10th Edition

Format: Downloadable ZIP Fille

Resource Type: Test bank

Duration: Unlimited downloads

Delivery: Instant Download

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Test Bank For Dental Materials Properties And Manipulation 10th Edition By John M. Powers

ISBN-13: 978-0323078368, ISBN-10: 0323078362

Chapter 01: Introduction to Restorative Dental Materials

Test Bank

MULTIPLE CHOICE

  1. Caries is caused by:
A. food debris.
B. materia alba.
C. bacterial plaque.
D. salivary glycoproteins.
E. acidic foodstuff.

ANS:   C

  Feedback
A Food debris does not have the structural organization of bacterial plaque biofilm.
B Materia alba does not have the structural organization of bacterial plaque biofilm.
C Caries is caused by bacterial plaque.
D Salivary glycoproteins form the acquired enamel pellicle to which bacteria adhere.
E Acidic foodstuff lowers pH and may demineralize teeth but does not directly cause decay.

REF:    Pg. 1

  1. Caries is most likely to occur on which of the following tooth surfaces?
A. Buccal
B. Lingual
C. Occlusal
D. Interproximal
E. C and D

ANS:   E

  Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area left unchecked.
B Lingual surfaces are also susceptible to caries; however, there is less surface area left unchecked.
C Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal tooth surfaces where plaque accumulates unchecked.
D Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal tooth surfaces where plaque accumulates unchecked.
E Caries is most likely to occur in pits and fissures on the occlusal surface and on interproximal tooth surfaces where plaque accumulates unchecked.

REF:    Pg. 1

  1. Which of the following is an intracoronal restoration?
A. Ceramic-alloy crown on tooth number 21
B. Ceramic veneer on tooth number 8
C. Occlusal amalgam on tooth number 14
D. Ceramic onlay on tooth number 30

ANS:   C

  Feedback
A The alternate choices are all extracoronal restorations used to repair the external.
B The alternate choices are all extracoronal restorations used to repair the external.
C An occlusal amalgam on tooth number 14 is an example of an intracoronal restoration, meaning that the restoration is being used to repair damage restricted to the internal parts of a tooth.
D The alternate choices are all extracoronal restorations used to repair the external.

REF:    Pg. 2

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