Question 1

Dual set materials utilize _____ setting reactions.

Accepted Answer

A)  both light-activated and chemical 
B)  light-activated but not chemical 
C)  chemical setting but not light-activated 
D)  neither light-activated nor chemical 
A)  both light-activated and chemical 
B)  light-activated but not chemical 
C)  chemical setting but not light-activated 
D)  neither light-activated nor chemical

Question 2

Which of the following is true concerning initial and final setting times?

Accepted Answer

A)  Moisture and pressure controls are frequently important during the initial set. 
B)  The final set always occurs while the patient is still in the dental office. 
C)  The material must not be disturbed through the end of the final set. 
D)  Once a material has reached the initial set,it will not fracture. 
A)  Moisture and pressure controls are frequently important during the initial set. 
B)  The final set always occurs while the patient is still in the dental office. 
C)  The material must not be disturbed through the end of the final set. 
D)  Once a material has reached the initial set,it will not fracture.

Question 3

Which of the following is not a primary bond?

Accepted Answer

A)  Hydrogen 
B)  Covalent 
C)  Metallic 
D)  Ionic 
A)  Hydrogen 
B)  Covalent 
C)  Metallic 
D)  Ionic

Question 4

Which of the following forms of matter has/have both shape and volume?
1)Solid
2)Liquid
3)Gas

Accepted Answer

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

Question 5

List and describe the three types of primary bonds.

Accepted Answer

•Ionic bond: A metal gives an electron t

Question 6

_____ time is the time permitted to manipulate the material in the mouth.

Accepted Answer

A)  Mixing 
B)  Working 
C)  Initial set 
D)  Final set 
A)  Mixing 
B)  Working 
C)  Initial set 
D)  Final set

Question 7

What will happen if expired materials or improperly stored materials are used?

Accepted Answer

A)  Render the material ineffective 
B)  Be of little consequence 
C)  Cause a toxic reaction 
A)  Render the material ineffective 
B)  Be of little consequence 
C)  Cause a toxic reaction

Question 8

Match the items with the correct description below.
-Hardness

Accepted Answer

A) Resistance to deformation 
B) The greatest stress a structure can withstand without permanent deformation 
C) The resistance of a solid to penetration 
D) The maximum amount of stress a material can withstand without breaking 
E) The ability of a material to resist fracture 
A) Resistance to deformation 
B) The greatest stress a structure can withstand without permanent deformation 
C) The resistance of a solid to penetration 
D) The maximum amount of stress a material can withstand without breaking 
E) The ability of a material to resist fracture

Question 9

In general,_____ temperature and _____ humidity will accelerate the reaction of the material.

Accepted Answer

A)  high;high 
B)  high;low 
C)  low;high 
D)  low;low 
A)  high;high 
B)  high;low 
C)  low;high 
D)  low;low

Question 10

Match the items with the correct description below.
-Final set time

Accepted Answer

A) Begins when the material can no longer be manipulated in the mouth 
B) When the material has reached its ultimate state 
C) The amount of time the auxiliary has to bring the components together into a homogenous mix 
D) The time permitted to manipulate the material within the mouth 
A) Begins when the material can no longer be manipulated in the mouth 
B) When the material has reached its ultimate state 
C) The amount of time the auxiliary has to bring the components together into a homogenous mix 
D) The time permitted to manipulate the material within the mouth

Question 11

Match the items with the correct description below.
-Toughness

Accepted Answer

A) Resistance to deformation 
B) The greatest stress a structure can withstand without permanent deformation 
C) The resistance of a solid to penetration 
D) The maximum amount of stress a material can withstand without breaking 
E) The ability of a material to resist fracture 
A) Resistance to deformation 
B) The greatest stress a structure can withstand without permanent deformation 
C) The resistance of a solid to penetration 
D) The maximum amount of stress a material can withstand without breaking 
E) The ability of a material to resist fracture

Question 12

What is the reaction initiated when a catalyst and a base are mixed together?

Accepted Answer

A)  Chemical 
B)  Physical 
C)  Dual 
D)  All are possible reactions. 
A)  Chemical 
B)  Physical 
C)  Dual 
D)  All are possible reactions.

Question 13

Match the items with the correct description below.
-Working time

Accepted Answer

A) Begins when the material can no longer be manipulated in the mouth 
B) When the material has reached its ultimate state 
C) The amount of time the auxiliary has to bring the components together into a homogenous mix 
D) The time permitted to manipulate the material within the mouth 
A) Begins when the material can no longer be manipulated in the mouth 
B) When the material has reached its ultimate state 
C) The amount of time the auxiliary has to bring the components together into a homogenous mix 
D) The time permitted to manipulate the material within the mouth

Question 14

Which of the following are considered to be therapeutic dental materials?

Accepted Answer

A)  Partial and complete dentures 
B)  Fluorides and pit and fissure sealants 
C)  Fillings,inlays,crowns,bridges,and implants 
D)  Medicated bases and topical treatments for periodontal disease 
A)  Partial and complete dentures 
B)  Fluorides and pit and fissure sealants 
C)  Fillings,inlays,crowns,bridges,and implants 
D)  Medicated bases and topical treatments for periodontal disease

Question 15

Which of the following would be considered an indirect placement restorative material?

Accepted Answer

A)  Gold 
B)  Gold foil 
C)  Amalgam 
D)  Composite resin 
A)  Gold 
B)  Gold foil 
C)  Amalgam 
D)  Composite resin

Question 16

Which of the following is an example of a secondary rather than primary bond?

Accepted Answer

A)  Ionic bond 
B)  Metallic bond 
C)  Covalent bond 
D)  Hydrogen bond 
A)  Ionic bond 
B)  Metallic bond 
C)  Covalent bond 
D)  Hydrogen bond

Dual set materials utilize _____ setting reactions.

Which of the following is true concerning initial and final setting times?

Which of the following is not a primary bond?

Which of the following forms of matter has/have both shape and volume? 1)Solid 2)Liquid 3)Gas

List and describe the three types of primary bonds.

_____ time is the time permitted to manipulate the material in the mouth.

What will happen if expired materials or improperly stored materials are used?

Match the items with the correct description below. -Hardness

In general,_ temperature and _ humidity will accelerate the reaction of the material.

Match the items with the correct description below. -Final set time

Match the items with the correct description below. -Toughness

What is the reaction initiated when a catalyst and a base are mixed together?

Match the items with the correct description below. -Working time

Which of the following are considered to be therapeutic dental materials?

Which of the following would be considered an indirect placement restorative material?

Which of the following is an example of a secondary rather than primary bond?

Introduction to Dental Materials

Oral Environment and Patient Considerations

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 3: Physical and Mechanical Properties of Dental Materials

Dual set materials utilize _____ setting reactions.

Which of the following is true concerning initial and final setting times?

Which of the following is not a primary bond?

Which of the following forms of matter has/have both shape and volume? 1)Solid 2)Liquid 3)Gas

List and describe the three types of primary bonds.

_____ time is the time permitted to manipulate the material in the mouth.

What will happen if expired materials or improperly stored materials are used?

Match the items with the correct description below. -Hardness

In general,_____ temperature and _____ humidity will accelerate the reaction of the material.

Match the items with the correct description below. -Final set time

Match the items with the correct description below. -Toughness

What is the reaction initiated when a catalyst and a base are mixed together?

Match the items with the correct description below. -Working time

Which of the following are considered to be therapeutic dental materials?

Which of the following would be considered an indirect placement restorative material?

Which of the following is an example of a secondary rather than primary bond?

Introduction to Dental Materials

Oral Environment and Patient Considerations

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

In general,_ temperature and _ humidity will accelerate the reaction of the material.