Question 1

What is the time frame for investing a wax pattern once it has been completed?

Accepted Answer

A)  At least a week 
B)  24 hours 
C)  Between 5 and 30 minutes 
D)  Less than 5 minutes 
A)  At least a week 
B)  24 hours 
C)  Between 5 and 30 minutes 
D)  Less than 5 minutes

Question 2

List the five important properties of waxes, and explain why each is essential to the success of the final outcome.

Accepted Answer

Melting range, excess residue, flow, the

Question 3

Which type of wax is used as a wax veneer over an original impression to register the detail of soft tissues in a functional state?

Accepted Answer

A)  Utility wax 
B)  Boxing wax 
C)  Baseplate wax 
D)  Corrective impression 
A)  Utility wax 
B)  Boxing wax 
C)  Baseplate wax 
D)  Corrective impression

Question 4

Organic molecules in waxes are composed primarily of long chains containing carbon, hydrogen, and oxygen. The long chains allow waxes to be flexible at room temperature or sticky as solids or liquids.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect.

Question 5

How should wax be manipulated in order to reduce the amount of stress on the material?

Accepted Answer

A)  Wax should be burnished at temperatures well below its melting range. 
B)  Wax should be carved at temperatures well below its melting range. 
C)  Wax patterns should be carved with warm instruments. 
D)  Melted wax should be added in large increments. 
A)  Wax should be burnished at temperatures well below its melting range. 
B)  Wax should be carved at temperatures well below its melting range. 
C)  Wax patterns should be carved with warm instruments. 
D)  Melted wax should be added in large increments.

Question 6

What is the purpose of sticky wax?

Accepted Answer

A)  Temporarily hold metal together 
B)  Correct an original impression 
C)  Gain accurate articulation 
D)  Maintain a specific pattern 
A)  Temporarily hold metal together 
B)  Correct an original impression 
C)  Gain accurate articulation 
D)  Maintain a specific pattern

Question 7

At _____ temperatures, waxes hardly flow at all, but as the temperature approaches the melting _____ of the wax, the flow increases.

Accepted Answer

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

Question 8

How is baseplate wax dispensed?

Accepted Answer

A)  Ready-made shapes 
B)  Round sticks 
C)  Sheets 
D)  Strips 
A)  Ready-made shapes 
B)  Round sticks 
C)  Sheets 
D)  Strips

Question 9

Utility and periphery waxes are about _____ in diameter.

Accepted Answer

A)  0.1 mm 
B)  0.5 mm 
C)  0.1 cm 
D)  0.5 cm 
A)  0.1 mm 
B)  0.5 mm 
C)  0.1 cm 
D)  0.5 cm

Question 10

Waxes have a specific melting point. Waxes are single-component materials.

Accepted Answer

A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect. 
A)  Statement 1 is correct; statement 2 is correct. 
B)  Statement 1 is correct; statement 2 is incorrect. 
C)  Statement 1 is incorrect; statement 2 is correct. 
D)  Statement 1 is incorrect; statement 2 is incorrect.

Question 11

Which of the following is an advantage of casting wax?

Accepted Answer

A)  Flows easily 
B)  Slight tackiness 
C)  No residual stress 
D)  Can be light cured 
A)  Flows easily 
B)  Slight tackiness 
C)  No residual stress 
D)  Can be light cured

Question 12

Which of the following type of wax is used to fabricate wax patterns for crowns and other indirect restorations?

Accepted Answer

A)  Casting wax 
B)  Boxing wax 
C)  Utility wax 
D)  Inlay wax 
A)  Casting wax 
B)  Boxing wax 
C)  Utility wax 
D)  Inlay wax

Question 13

__________ waxes are used primarily in taking and pouring impressions.

Accepted Answer

A)  Sticky 
B)  Utility 
C)  Boxing 
D)  Corrective impression 
E)  Both B and C are correct. 
A)  Sticky 
B)  Utility 
C)  Boxing 
D)  Corrective impression 
E)  Both B and C are correct.

Question 14

Which type of wax would include boxing, utility, and sticky waxes?

Accepted Answer

A)  Processing 
B)  Baseplate 
C)  Pattern 
D)  Inlay 
A)  Processing 
B)  Baseplate 
C)  Pattern 
D)  Inlay

Question 15

The flow of corrective impression wax at mouth temperature is ____%.

Accepted Answer

A)  10 
B)  25 
C)  50 
D)  75 
E)  100 
A)  10 
B)  25 
C)  50 
D)  75 
E)  100

Question 16

Which of the following is not a mineral wax?

Accepted Answer

A)  Paraffin 
B)  Ceresin 
C)  Carnauba 
D)  Both A and B are correct. 
A)  Paraffin 
B)  Ceresin 
C)  Carnauba 
D)  Both A and B are correct.

Question 17

The lost-wax technique uses ________ wax to produce crowns, inlays, and veneers.

Accepted Answer

A)  inlay 
B)  casting 
C)  baseplate 
D)  only A and B 
A)  inlay 
B)  casting 
C)  baseplate 
D)  only A and B

Question 18

Under which conditions would a type III baseplate be recommended?

Accepted Answer

A)  Cold climate 
B)  Tropical climate 
C)  When contouring dentures 
D)  To maintain a specific pattern 
A)  Cold climate 
B)  Tropical climate 
C)  When contouring dentures 
D)  To maintain a specific pattern

Question 19

Organic molecules in some waxes contain long-chain elements. Which of the following is not part of that group?

Accepted Answer

A)  Hydrogen 
B)  Carbon 
C)  Oxygen 
D)  Silica 
A)  Hydrogen 
B)  Carbon 
C)  Oxygen 
D)  Silica

Question 20

Which type of wax is used to hold the position of denture teeth before the denture is processed in acrylic?

Accepted Answer

A)  Sticky wax 
B)  Utility wax 
C)  Baseplate wax 
D)  Corrective impression wax 
A)  Sticky wax 
B)  Utility wax 
C)  Baseplate wax 
D)  Corrective impression wax

What is the time frame for investing a wax pattern once it has been completed?

List the five important properties of waxes, and explain why each is essential to the success of the final outcome.

Which type of wax is used as a wax veneer over an original impression to register the detail of soft tissues in a functional state?

Organic molecules in waxes are composed primarily of long chains containing carbon, hydrogen, and oxygen. The long chains allow waxes to be flexible at room temperature or sticky as solids or liquids.

How should wax be manipulated in order to reduce the amount of stress on the material?

What is the purpose of sticky wax?

At _ temperatures, waxes hardly flow at all, but as the temperature approaches the melting _ of the wax, the flow increases.

How is baseplate wax dispensed?

Utility and periphery waxes are about _____ in diameter.

Waxes have a specific melting point. Waxes are single-component materials.

Which of the following is an advantage of casting wax?

Which of the following type of wax is used to fabricate wax patterns for crowns and other indirect restorations?

__________ waxes are used primarily in taking and pouring impressions.

Which type of wax would include boxing, utility, and sticky waxes?

The flow of corrective impression wax at mouth temperature is ____%.

Which of the following is not a mineral wax?

The lost-wax technique uses ________ wax to produce crowns, inlays, and veneers.

Under which conditions would a type III baseplate be recommended?

Organic molecules in some waxes contain long-chain elements. Which of the following is not part of that group?

Which type of wax is used to hold the position of denture teeth before the denture is processed in acrylic?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters

Exam 10: Waxes

What is the time frame for investing a wax pattern once it has been completed?

List the five important properties of waxes, and explain why each is essential to the success of the final outcome.

Which type of wax is used as a wax veneer over an original impression to register the detail of soft tissues in a functional state?

Organic molecules in waxes are composed primarily of long chains containing carbon, hydrogen, and oxygen. The long chains allow waxes to be flexible at room temperature or sticky as solids or liquids.

How should wax be manipulated in order to reduce the amount of stress on the material?

What is the purpose of sticky wax?

At _____ temperatures, waxes hardly flow at all, but as the temperature approaches the melting _____ of the wax, the flow increases.

How is baseplate wax dispensed?

Utility and periphery waxes are about _____ in diameter.

Waxes have a specific melting point. Waxes are single-component materials.

Which of the following is an advantage of casting wax?

Which of the following type of wax is used to fabricate wax patterns for crowns and other indirect restorations?

__________ waxes are used primarily in taking and pouring impressions.

Which type of wax would include boxing, utility, and sticky waxes?

The flow of corrective impression wax at mouth temperature is ____%.

Which of the following is not a mineral wax?

The lost-wax technique uses ________ wax to produce crowns, inlays, and veneers.

Under which conditions would a type III baseplate be recommended?

Organic molecules in some waxes contain long-chain elements. Which of the following is not part of that group?

Which type of wax is used to hold the position of denture teeth before the denture is processed in acrylic?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters

At _ temperatures, waxes hardly flow at all, but as the temperature approaches the melting _ of the wax, the flow increases.