DENTAL MATERIALS 11TH EDITION POWERS TEST BANK

U S N T O Chapter 02: Properties of Materials Powers: Dental Materials, 11th Edition MULTIPLE CHOICE 1. For which of the following materials do dimensional changes occur during setting as a result of a chemical reaction? a. Elastomeric impression materials b. Gold restorations c. Wax patterns d. A and C e. B and C ANS: A Feedback A Dimensional changes occur during setting as a result of a chemical reaction with elastomeric impression materials. Resin composite materials also set as a result of a chemical reaction and undergo shrinkage. B Gold restorations undergo dimensional changes from cooling during fabrication. C Wax patterns undergo dimensional changes from cooling during fabrication. D A and C are incorrect answers. E B is an incorrect answer, and C is an incorrect answer. DIF: Comprehension REF: p. 15 OBJ: 1 TOP: CDA, GC, III. ChairsideNDenRtalIMatGerialBs.(PCrepaMration, Manipulation, and Application) MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of Materials 2. How is the percentage of dimensional change measured? a. An original length or volume b. The final length or volume c. The compressive strength d. The tensile strength e. The shear strength ANS: A Feedback A The dimensional change usually is expressed as a percentage of an original length or volume, not the final length or volume. B The dimensional change usually is expressed as a percentage of an original length or volume, not the final length or volume. C Compressive strength is a measure of stress that may result when force is applied to a material. D Tensile strength is a measure of stress that may result when force is applied to a material. E Shear strength is a measure of stress that may result when force is applied to a material.

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  • Pages 22
  • Category Test banks
  • School / University Harvard University
  • Course Nursing
  • Course Level University level
  • Year 2022
  • Keywords DENTAL MATERIALS 11TH EDITION, POWERS, DENTAL MATERIALS, DENTAL NURSING, NURSING, NURSING TEST BANK
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