Question 1

What is the major drawback of all-ceramic restorations in the posterior of the mouth?

Accepted Answer

A)  Fracture rate 
B)  Lack of esthetic appearance 
C)  Difficulty in creating an acceptable interproximal contact area 
D)  Inability to create an adequate occlusal anatomy versus the opposing occlusion 
A)  Fracture rate 
B)  Lack of esthetic appearance 
C)  Difficulty in creating an acceptable interproximal contact area 
D)  Inability to create an adequate occlusal anatomy versus the opposing occlusion

Question 2

What is the primary cause of porcelain failure?

Accepted Answer

A)  Occlusal loading 
B)  Firing defects 
C)  Oral habits 
D)  Poor diet 
A)  Occlusal loading 
B)  Firing defects 
C)  Oral habits 
D)  Poor diet

Question 3

Why do all-ceramic crowns have a more lifelike appearance than porcelain-bonded-to-metal crowns?

Accepted Answer

A)  Have an opaque layer 
B)  Do not have an opaque layer to hide metal 
C)  Utilize high-fusing rather than low-fusing porcelain 
D)  Are cemented with different cements than porcelain-bonded-to-metal crowns 
A)  Have an opaque layer 
B)  Do not have an opaque layer to hide metal 
C)  Utilize high-fusing rather than low-fusing porcelain 
D)  Are cemented with different cements than porcelain-bonded-to-metal crowns

Question 4

Match the items with the correct description below.
-Violet color

Accepted Answer

A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma 
A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma

Question 5

_____ is the amount or intensity of the color present.

Accepted Answer

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

Question 6

Match the items with the correct description below.
-An intense color

Accepted Answer

A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma 
A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma

Question 7

Match the items with the correct description below.
-Red color

Accepted Answer

A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma 
A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma

Question 8

Which of the following is most challenging when placing veneers?

Accepted Answer

A)  The patient has a diastema. 
B)  The natural tooth structure is dark. 
C)  The teeth are rotated out of occlusion. 
D)  The adjacent teeth have been bleached. 
A)  The patient has a diastema. 
B)  The natural tooth structure is dark. 
C)  The teeth are rotated out of occlusion. 
D)  The adjacent teeth have been bleached.

Question 9

Porcelain veneers may be slightly translucent to let the color of the underlying tooth come through or more _____ to hide the color of a darker natural tooth.

Accepted Answer

A)  opaque 
B)  mottled 
C)  varnished 
D)  sandblasted 
A)  opaque 
B)  mottled 
C)  varnished 
D)  sandblasted

Question 10

The inside of the veneer is conditioned using what solution?

Accepted Answer

A)  Sulfuric acid 
B)  Phosphoric acid 
C)  Hydrochloric acid 
D)  Hydrofluoric acid 
A)  Sulfuric acid 
B)  Phosphoric acid 
C)  Hydrochloric acid 
D)  Hydrofluoric acid

Question 11

An extra light bleached tooth will have _____ chroma and _____ value.

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 12

Match the items with the correct description below.
-A lighter color

Accepted Answer

A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma 
A) Long wavelength 
B) Short wavelength 
C) High value 
D) Low value 
E) High chroma

Question 13

When porcelain particles are melted and fused to metal,what is the process known as?

Accepted Answer

A)  Firing 
B)  Smelting 
C)  Bonding 
D)  Sintering 
A)  Firing 
B)  Smelting 
C)  Bonding 
D)  Sintering

Question 14

Which of the following ceramic dental materials has a zirconium oxide or aluminum oxide matrix with fillers composed of modified atoms?
1)Most glass ceramic
2)Particle-filled glass ceramic
3)Polycrystalline ceramic

Accepted Answer

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

Question 15

Which of the following would be taken into consideration when a tooth is shaded?

Accepted Answer

A)  Translucency 
B)  Texture 
C)  Luster 
D)  All of the above 
A)  Translucency 
B)  Texture 
C)  Luster 
D)  All of the above

Question 16

What is the ideal color of the surrounding area during shade matching?

Accepted Answer

A)  Tan 
B)  Gray 
C)  Black 
D)  White 
A)  Tan 
B)  Gray 
C)  Black 
D)  White

What is the major drawback of all-ceramic restorations in the posterior of the mouth?

What is the primary cause of porcelain failure?

Why do all-ceramic crowns have a more lifelike appearance than porcelain-bonded-to-metal crowns?

Match the items with the correct description below. -Violet color

_____ is the amount or intensity of the color present.

Match the items with the correct description below. -An intense color

Match the items with the correct description below. -Red color

Which of the following is most challenging when placing veneers?

Porcelain veneers may be slightly translucent to let the color of the underlying tooth come through or more _____ to hide the color of a darker natural tooth.

The inside of the veneer is conditioned using what solution?

An extra light bleached tooth will have _ chroma and _ value.

Match the items with the correct description below. -A lighter color

When porcelain particles are melted and fused to metal,what is the process known as?

Which of the following ceramic dental materials has a zirconium oxide or aluminum oxide matrix with fillers composed of modified atoms? 1)Most glass ceramic 2)Particle-filled glass ceramic 3)Polycrystalline ceramic

Which of the following would be taken into consideration when a tooth is shaded?

What is the ideal color of the surrounding area during shade matching?

Introduction to Dental Materials

Oral Environment and Patient Considerations

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 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 9: Dental Ceramics

What is the major drawback of all-ceramic restorations in the posterior of the mouth?

What is the primary cause of porcelain failure?

Why do all-ceramic crowns have a more lifelike appearance than porcelain-bonded-to-metal crowns?

Match the items with the correct description below. -Violet color

_____ is the amount or intensity of the color present.

Match the items with the correct description below. -An intense color

Match the items with the correct description below. -Red color

Which of the following is most challenging when placing veneers?

Porcelain veneers may be slightly translucent to let the color of the underlying tooth come through or more _____ to hide the color of a darker natural tooth.

The inside of the veneer is conditioned using what solution?

An extra light bleached tooth will have _____ chroma and _____ value.

Match the items with the correct description below. -A lighter color

When porcelain particles are melted and fused to metal,what is the process known as?

Which of the following ceramic dental materials has a zirconium oxide or aluminum oxide matrix with fillers composed of modified atoms? 1)Most glass ceramic 2)Particle-filled glass ceramic 3)Polycrystalline ceramic

Which of the following would be taken into consideration when a tooth is shaded?

What is the ideal color of the surrounding area during shade matching?

Introduction to Dental Materials

Oral Environment and Patient Considerations

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 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

An extra light bleached tooth will have _ chroma and _ value.