Health Care > TEST BANK > Dental Materials Foundations And Applications 11th Edition By John M. Powers, John C. Wataha TEST BA (All)

Dental Materials Foundations And Applications 11th Edition By John M. Powers, John C. Wataha TEST BANK

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Dental Materials 11th Edition Powers Test Bank Chapter 01: Introduction to Restorative Dental Materials Powers: Dental Materials, 11th Edition MULTIPLE CHOICE 1. What causes caries? a. Food deb... ris b. Materia alba c. Acidic foodstuff d. Bacterial plaque e. Salivary glycoproteins ANS: D 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 Acidic foodstuff lowers pH and may demineralize teeth but does not directly cause decay. D Caries is caused by biofilm; also known as bacterial plaque. E Salivary glycoproteins form the acquired enamel pellicle to which bacteria adhere. DIF: Knowledge REF: p. 1 OBJ: 2 TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of Materials 2. 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 are both correct. 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. [Show More]

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