Question 1

Which of the following abrasive agents commonly used in dentistry for polishing and cleansing is derived from diatoms?

Accepted Answer

A)  Calcite 
B)  Kieselguhr 
C)  Pumice 
D)  Rouge 
A)  Calcite 
B)  Kieselguhr 
C)  Pumice 
D)  Rouge

Question 2

Finishing and polishing techniques are meant to:

Accepted Answer

A)  remove plaque and calculus from restorations. 
B)  burnish the margins of gold castings. 
C)  remove excess material and to smooth roughened surfaces. 
D)  work-harden metal surfaces. 
A)  remove plaque and calculus from restorations. 
B)  burnish the margins of gold castings. 
C)  remove excess material and to smooth roughened surfaces. 
D)  work-harden metal surfaces.

Question 3

What is the purpose of a humectant in toothpaste?

Accepted Answer

A)  Function as an abrasive 
B)  Prevent dehydration 
C)  Function as a binder 
D)  Prevent dental caries 
E)  Reduce the rate of formation of supragingival calculus 
A)  Function as an abrasive 
B)  Prevent dehydration 
C)  Function as a binder 
D)  Prevent dental caries 
E)  Reduce the rate of formation of supragingival calculus

Question 4

Fine abrasives are used to:

Accepted Answer

A)  remove excess material. 
B)  contour the restoration. 
C)  reduce scratches. 
D)  provide detailed anatomy. 
A)  remove excess material. 
B)  contour the restoration. 
C)  reduce scratches. 
D)  provide detailed anatomy.

Question 5

Dentifrice products that contain pumice and quartz show lower cleansing values.Dentifrice products that contain pumice and quartz show lower abrasion to tooth surfaces.

Accepted Answer

A)  The first statement is true; the second statement is true. 
B)  The first statement is true; the second statement is false. 
C)  The first statement is false; the second statement is false. 
D)  The first statement is false; the second statement is true. 
A)  The first statement is true; the second statement is true. 
B)  The first statement is true; the second statement is false. 
C)  The first statement is false; the second statement is false. 
D)  The first statement is false; the second statement is true.

Question 6

The rate of abrasion is affected by the:

Accepted Answer

A)  depth of the material. 
B)  rate of speed. 
C)  type of material. 
D)  number of filler particles. 
A)  depth of the material. 
B)  rate of speed. 
C)  type of material. 
D)  number of filler particles.

Question 7

What is the purpose of using glycerin with polishing agents?

Accepted Answer

A)  Maintains consistency 
B)  Improves polish 
C)  Evaporates 
D)  Provides gloss 
A)  Maintains consistency 
B)  Improves polish 
C)  Evaporates 
D)  Provides gloss

Question 8

Which of the following is not one of the criteria for an ideal denture cleanser?

Accepted Answer

A)  Be stable during storage 
B)  Be able to remineralize worn acrylic denture teeth 
C)  Be able to attack or dissolve both the organic and inorganic portions of denture deposits 
D)  Preferably be bactericidal and fungicidal 
A)  Be stable during storage 
B)  Be able to remineralize worn acrylic denture teeth 
C)  Be able to attack or dissolve both the organic and inorganic portions of denture deposits 
D)  Preferably be bactericidal and fungicidal

Question 9

The smoothest surface on a composite restoration is produced by:

Accepted Answer

A)  diamond stones. 
B)  twelve-blade carbide burs. 
C)  curing against a polyester matrix. 
D)  green stones. 
E)  white stones. 
A)  diamond stones. 
B)  twelve-blade carbide burs. 
C)  curing against a polyester matrix. 
D)  green stones. 
E)  white stones.

Question 10

The smoothest surface of a gold casting can be produced with a:

Accepted Answer

A)  chamois. 
B)  fine cuttle disk. 
C)  crocus disk with rouge. 
D)  polished wax, pickled casting. 
A)  chamois. 
B)  fine cuttle disk. 
C)  crocus disk with rouge. 
D)  polished wax, pickled casting.

Question 11

Which of the following techniques are recommended for cleaning dentures and prosthetic appliances fabricated from base metals such as cobalt-chromium alloy?

Accepted Answer

A)  Light brushing 
B)  Immersion in a solution containing 1 teaspoon of a hypochlorite (Clorox) and 2 teaspoons of a glassy phosphate (Calgon) in one-half glass of water 
C)  Soaking in hot water 
D)  A, B, and C 
E)  A and C 
A)  Light brushing 
B)  Immersion in a solution containing 1 teaspoon of a hypochlorite (Clorox) and 2 teaspoons of a glassy phosphate (Calgon) in one-half glass of water 
C)  Soaking in hot water 
D)  A, B, and C 
E)  A and C

Question 12

Which of the following procedures are recommended in order to maintain infection control when using pumice to polish acrylic denture base material?

Accepted Answer

A)  Use a separate pumice pan for each patient. 
B)  Mix pumice with a liquid disinfectant such as 5 parts sodium hypochlorite to 100 parts distilled water. 
C)  Change pumice daily. 
D)  A, B, and C are all recommended. 
E)  Only A and C are recommended. 
A)  Use a separate pumice pan for each patient. 
B)  Mix pumice with a liquid disinfectant such as 5 parts sodium hypochlorite to 100 parts distilled water. 
C)  Change pumice daily. 
D)  A, B, and C are all recommended. 
E)  Only A and C are recommended.

Question 13

_____ abrasive disks are beige.

Accepted Answer

A)  Aluminum oxide 
B)  Garnet 
C)  Cuttle 
D)  Silicon carbide 
A)  Aluminum oxide 
B)  Garnet 
C)  Cuttle 
D)  Silicon carbide

Question 14

A rag wheel and pumice should be:

Accepted Answer

A)  used on the tongue side of the prosthetic. 
B)  disposed of after each patient use. 
C)  sterilized before the next patient use. 
D)  only A and B. 
A)  used on the tongue side of the prosthetic. 
B)  disposed of after each patient use. 
C)  sterilized before the next patient use. 
D)  only A and B.

Question 15

The soft liner of a denture should be cleaned with:

Accepted Answer

A)  a brush with hard, stiff bristles. 
B)  an organic solvent such as chloroform. 
C)  a soaking type of denture cleanser. 
D)  cotton under cold water. 
E)  immersion in sodium hypochlorite followed by light brushing. 
A)  a brush with hard, stiff bristles. 
B)  an organic solvent such as chloroform. 
C)  a soaking type of denture cleanser. 
D)  cotton under cold water. 
E)  immersion in sodium hypochlorite followed by light brushing.

Question 16

Which of the following materials is the most difficult to remove from a tooth surface during tooth prophylaxis?

Accepted Answer

A)  Acquired pellicle 
B)  Food debris 
C)  Plaque 
D)  Calculus 
A)  Acquired pellicle 
B)  Food debris 
C)  Plaque 
D)  Calculus

Question 17

Which of the following cleaning techniques would be most effective for cleaning stain and plaque from dentures?

Accepted Answer

A)  A 15-minute soak daily with a chemical tablet 
B)  Using a toothbrush and fluoridated toothpaste 
C)  Using a denture brush and denture paste 
D)  Periodic emersions in an ultrasonic cleaner 
A)  A 15-minute soak daily with a chemical tablet 
B)  Using a toothbrush and fluoridated toothpaste 
C)  Using a denture brush and denture paste 
D)  Periodic emersions in an ultrasonic cleaner

Question 18

Side effects of tooth whitening procedures include:

Accepted Answer

A)  sloughing of the gingiva. 
B)  lightening esthetic restorations. 
C)  tooth hypersensitivity. 
D)  all of the above. 
E)  only A and C. 
A)  sloughing of the gingiva. 
B)  lightening esthetic restorations. 
C)  tooth hypersensitivity. 
D)  all of the above. 
E)  only A and C.

Which of the following abrasive agents commonly used in dentistry for polishing and cleansing is derived from diatoms?

Finishing and polishing techniques are meant to:

What is the purpose of a humectant in toothpaste?

Fine abrasives are used to:

Dentifrice products that contain pumice and quartz show lower cleansing values.Dentifrice products that contain pumice and quartz show lower abrasion to tooth surfaces.

The rate of abrasion is affected by the:

What is the purpose of using glycerin with polishing agents?

Which of the following is not one of the criteria for an ideal denture cleanser?

The smoothest surface on a composite restoration is produced by:

The smoothest surface of a gold casting can be produced with a:

Which of the following techniques are recommended for cleaning dentures and prosthetic appliances fabricated from base metals such as cobalt-chromium alloy?

Which of the following procedures are recommended in order to maintain infection control when using pumice to polish acrylic denture base material?

_____ abrasive disks are beige.

A rag wheel and pumice should be:

The soft liner of a denture should be cleaned with:

Which of the following materials is the most difficult to remove from a tooth surface during tooth prophylaxis?

Which of the following cleaning techniques would be most effective for cleaning stain and plaque from dentures?

Side effects of tooth whitening procedures include:

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, wrought Alloys, and Solders

Casting and Soldering

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters

Exam 6: Finishing, polishing, and Cleansing Materials

Which of the following abrasive agents commonly used in dentistry for polishing and cleansing is derived from diatoms?

Finishing and polishing techniques are meant to:

What is the purpose of a humectant in toothpaste?

Fine abrasives are used to:

Dentifrice products that contain pumice and quartz show lower cleansing values.Dentifrice products that contain pumice and quartz show lower abrasion to tooth surfaces.

The rate of abrasion is affected by the:

What is the purpose of using glycerin with polishing agents?

Which of the following is not one of the criteria for an ideal denture cleanser?

The smoothest surface on a composite restoration is produced by:

The smoothest surface of a gold casting can be produced with a:

Which of the following techniques are recommended for cleaning dentures and prosthetic appliances fabricated from base metals such as cobalt-chromium alloy?

Which of the following procedures are recommended in order to maintain infection control when using pumice to polish acrylic denture base material?

_____ abrasive disks are beige.

A rag wheel and pumice should be:

The soft liner of a denture should be cleaned with:

Which of the following materials is the most difficult to remove from a tooth surface during tooth prophylaxis?

Which of the following cleaning techniques would be most effective for cleaning stain and plaque from dentures?

Side effects of tooth whitening procedures include:

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, wrought Alloys, and Solders

Casting and Soldering

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters