Question 1

Which of the following would not be an adverse effect of a material?

Accepted Answer

A)  Toxicity 
B)  Hyposensitivity 
C)  Hypersensitivity 
D)  Postoperative sensitivity 
A)  Toxicity 
B)  Hyposensitivity 
C)  Hypersensitivity 
D)  Postoperative sensitivity

Question 2

Which of the following is true of galvanism?

Accepted Answer

A)  It is an electrical current transmitted between two similar metals. 
B)  It is observed in patients with composite resin but not silver amalgam restorations. 
C)  Galvanic stimulation will decrease with time as oxides form on the surface of the metal. 
D)  The salts of the saliva inhibit the movement of electrical current from one type of metal to another. 
A)  It is an electrical current transmitted between two similar metals. 
B)  It is observed in patients with composite resin but not silver amalgam restorations. 
C)  Galvanic stimulation will decrease with time as oxides form on the surface of the metal. 
D)  The salts of the saliva inhibit the movement of electrical current from one type of metal to another.

Question 3

When an object cannot resist force,_____ occurs.

Accepted Answer

A)  deformation 
B)  distortion 
C)  deformation and distortion 
A)  deformation 
B)  distortion 
C)  deformation and distortion

Question 4

Which of the following has been suggested to delay formation of surface tarnish on dental amalgams?

Accepted Answer

A)  Incremental addition 
B)  Polishing 
C)  Use of non-copper-containing dental amalgam 
D)  Undercondensation 
A)  Incremental addition 
B)  Polishing 
C)  Use of non-copper-containing dental amalgam 
D)  Undercondensation

Question 5

Which material listed would show the lowest level of solubility?

Accepted Answer

A)  Amalgam 
B)  Composite resin 
C)  Porcelain 
D)  Cement 
A)  Amalgam 
B)  Composite resin 
C)  Porcelain 
D)  Cement

Question 6

_____ refers to the intensity or strength of the color.

Accepted Answer

A)  Hue 
B)  Value 
C)  Chroma 
D)  Opacity 
A)  Hue 
B)  Value 
C)  Chroma 
D)  Opacity

Question 7

_____ force is applied when two surfaces slide against each other in opposite directions.

Accepted Answer

A)  Compressive 
B)  Shearing 
C)  Tensile 
D)  Axial 
A)  Compressive 
B)  Shearing 
C)  Tensile 
D)  Axial

Question 8

What is the thermal conductivity of composite resin?

Accepted Answer

A)  Similar to tooth structure 
B)  Lower than tooth structure 
C)  Similar to metal restorations 
D)  Does not conduct temperature 
A)  Similar to tooth structure 
B)  Lower than tooth structure 
C)  Similar to metal restorations 
D)  Does not conduct temperature

Question 9

Stress is the amount of force exerted from within an object,and _____ is the amount of change that the force has produced.

Accepted Answer

A)  strain 
B)  tension 
C)  compression 
D)  chemical bonding 
A)  strain 
B)  tension 
C)  compression 
D)  chemical bonding

Question 10

Adhesion is the method of _____ retention.

Accepted Answer

A)  chemical 
B)  mechanical 
C)  dual 
A)  chemical 
B)  mechanical 
C)  dual

Question 11

List and describe the three components of color.

Accepted Answer

•Hue: The dominant color of th

Question 12

The technique of chemical bonding rather than mechanical means to produce retention requires _____ removal of tooth structure and produces a _____ retentive force between tooth and restoration.

Accepted Answer

A)  more;stronger 
B)  more;weaker 
C)  less;stronger 
D)  less;weaker 
A)  more;stronger 
B)  more;weaker 
C)  less;stronger 
D)  less;weaker

Question 13

Which of the following is not a concern regarding identification of dental materials in the mouth?

Accepted Answer

A)  Therapeutic agents could erode some materials. 
B)  Scaling could damage the surfaces of some materials. 
C)  Both are concerns when materials are identified. 
A)  Therapeutic agents could erode some materials. 
B)  Scaling could damage the surfaces of some materials. 
C)  Both are concerns when materials are identified.

Question 14

Match the items with the correct description below.
-Thermal conductivity

Accepted Answer

A) Electrical current between two dissimilar metals 
B) Discoloration due to oxidation of the metal's surface 
C) Deterioration of the metal due to moisture and acid present in the oral 
D) The rate at which heat flows through a material 
E) Opening and closing of a gap between the restoration and the tooth surface 
A) Electrical current between two dissimilar metals 
B) Discoloration due to oxidation of the metal's surface 
C) Deterioration of the metal due to moisture and acid present in the oral 
D) The rate at which heat flows through a material 
E) Opening and closing of a gap between the restoration and the tooth surface

Question 15

Microleakage into the interface between tooth structure and restorative material is responsible for much of the _____ observed following tooth restoration.
1)recurrent decay
2)marginal staining
3)postoperative sensitivity
4)tarnish

Accepted Answer

A)  1,2,3,4 
B)  1,2,3 
C)  2,3,4 
D)  1,2 
A)  1,2,3,4 
B)  1,2,3 
C)  2,3,4 
D)  1,2

Question 16

Most modern dental materials are made to be moisture resistant.

Accepted Answer

A) True 
 B)False

Question 17

Contact between two dissimilar metals in the mouth may result in what reaction?

Accepted Answer

A)  Galvanic shock 
B)  Metallic taste 
C)  Electrical current 
D)  All of the above are possible. 
A)  Galvanic shock 
B)  Metallic taste 
C)  Electrical current 
D)  All of the above are possible.

Question 18

What could excessive expansion of a restorative material result in?

Accepted Answer

A)  Corrosion 
B)  Galvanism 
C)  Fracture of cusps 
D)  Leakage of fluid and bacteria into the gaps 
A)  Corrosion 
B)  Galvanism 
C)  Fracture of cusps 
D)  Leakage of fluid and bacteria into the gaps

Question 19

Match the items with the correct description below.
-Tarnish

Accepted Answer

A) Electrical current between two dissimilar metals 
B) Discoloration due to oxidation of the metal's surface 
C) Deterioration of the metal due to moisture and acid present in the oral 
D) The rate at which heat flows through a material 
E) Opening and closing of a gap between the restoration and the tooth surface 
A) Electrical current between two dissimilar metals 
B) Discoloration due to oxidation of the metal's surface 
C) Deterioration of the metal due to moisture and acid present in the oral 
D) The rate at which heat flows through a material 
E) Opening and closing of a gap between the restoration and the tooth surface

Question 20

Which term describes the thicker or thinner a material is?

Accepted Answer

A)  Density 
B)  Viscosity 
C)  Flowability 
D)  Thixotropic 
A)  Density 
B)  Viscosity 
C)  Flowability 
D)  Thixotropic

Which of the following would not be an adverse effect of a material?

Which of the following is true of galvanism?

When an object cannot resist force,_____ occurs.

Which of the following has been suggested to delay formation of surface tarnish on dental amalgams?

Which material listed would show the lowest level of solubility?

_____ refers to the intensity or strength of the color.

_____ force is applied when two surfaces slide against each other in opposite directions.

What is the thermal conductivity of composite resin?

Stress is the amount of force exerted from within an object,and _____ is the amount of change that the force has produced.

Adhesion is the method of _____ retention.

List and describe the three components of color.

The technique of chemical bonding rather than mechanical means to produce retention requires _ removal of tooth structure and produces a _ retentive force between tooth and restoration.

Which of the following is not a concern regarding identification of dental materials in the mouth?

Match the items with the correct description below. -Thermal conductivity

Microleakage into the interface between tooth structure and restorative material is responsible for much of the _____ observed following tooth restoration. 1)recurrent decay 2)marginal staining 3)postoperative sensitivity 4)tarnish

Most modern dental materials are made to be moisture resistant.

Contact between two dissimilar metals in the mouth may result in what reaction?

What could excessive expansion of a restorative material result in?

Match the items with the correct description below. -Tarnish

Which term describes the thicker or thinner a material is?

Introduction to Dental Materials

Physical and Mechanical Properties of Dental Materials

General Handling and Safety of Dental Materials in the Dental Office

Principles of Bonding

Composites, glass Ionomers, and Compomers

Preventive and Desensitizing Materials

Teeth Whitening Materials and Procedures

Dental Ceramics

Dental Amalgam

Casting Metals, solders, and Wrought Metal Alloys

Dental Implants

Abrasion, finishing, and Polishing

Dental Cement

Impression Materials

Gypsum and Wax Products

Polymers for Prosthetic Dentistry

Provisional Restorations

Preventive and Corrective Oral Appliances

Filters

Exam 2: Oral Environment and Patient Considerations

Which of the following would not be an adverse effect of a material?

Which of the following is true of galvanism?

When an object cannot resist force,_____ occurs.

Which of the following has been suggested to delay formation of surface tarnish on dental amalgams?

Which material listed would show the lowest level of solubility?

_____ refers to the intensity or strength of the color.

_____ force is applied when two surfaces slide against each other in opposite directions.

What is the thermal conductivity of composite resin?

Stress is the amount of force exerted from within an object,and _____ is the amount of change that the force has produced.

Adhesion is the method of _____ retention.

List and describe the three components of color.

The technique of chemical bonding rather than mechanical means to produce retention requires _____ removal of tooth structure and produces a _____ retentive force between tooth and restoration.

Which of the following is not a concern regarding identification of dental materials in the mouth?

Match the items with the correct description below. -Thermal conductivity

Microleakage into the interface between tooth structure and restorative material is responsible for much of the _____ observed following tooth restoration. 1)recurrent decay 2)marginal staining 3)postoperative sensitivity 4)tarnish

Most modern dental materials are made to be moisture resistant.

Contact between two dissimilar metals in the mouth may result in what reaction?

What could excessive expansion of a restorative material result in?

Match the items with the correct description below. -Tarnish

Which term describes the thicker or thinner a material is?

Introduction to Dental Materials

Physical and Mechanical Properties of Dental Materials

General Handling and Safety of Dental Materials in the Dental Office

Principles of Bonding

Composites, glass Ionomers, and Compomers

Preventive and Desensitizing Materials

Teeth Whitening Materials and Procedures

Dental Ceramics

Dental Amalgam

Casting Metals, solders, and Wrought Metal Alloys

Dental Implants

Abrasion, finishing, and Polishing

Dental Cement

Impression Materials

Gypsum and Wax Products

Polymers for Prosthetic Dentistry

Provisional Restorations

Preventive and Corrective Oral Appliances

Filters

The technique of chemical bonding rather than mechanical means to produce retention requires _ removal of tooth structure and produces a _ retentive force between tooth and restoration.