TEST BANK for Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John A+ Updated Chapter 01: Introduction to Restorative Dental Materi als Powers Chapter 02: Properties of Materials Powers Chapter 03: Preventive Dental Materials Powers Chapter 04: Direct Esthetic R...
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TEST BANK for Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John A+ Updated
Dental Materials Foundations and Applications 11th Edition Test Bank
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Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John
TEST BANK for Dental Materials:
Foundations and Applications 11th Edition.
by Powers John & Wataha John
Test Bank Page 1
, Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John
Table of Contents
The Nature of Dental Materials
1. Introduction to Restorative Dental Materials
2. Properties of Dental Materials
3. Preventive Dental Materials
4. Direct Esthetic Restorative Materials
5. Dental Amalgam
6. Finishing, Polishing, and Cleansing Materials
7. Cement
8. Impression Materials
9. Model and Die Materials
10. Waxes
11. Casting Alloys, Wrought Alloys, and Solders
12. Casting, Soldering, and Welding
13. Polymers in Prosthodontics
14. Dental Ceramics
15. Dental Implants
Test Bank Page 2
, Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John
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. Chairside
Dental Materials (Preparation, Manipulation, and Application)
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation
Test Bank Page 3
, Dental Materials: Foundations and Applications 11th Edition. by Powers John & Wataha John
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.
DIF: Knowledge REF: p. 15 OBJ: 1
TOP: CDA, GC, III. Chairside Dental Materials (Preparation, Manipulation and Application)
Test Bank Page 4
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