Question 1

Compare and contrast in-office and home whitening materials.

Accepted Answer

Whitening agents used in the office comm

Question 2

Which of the following restorative materials is most subject to wear during a prophylactic procedure?

Accepted Answer

A)  Resin composites 
B)  Dental amalgam 
C)  Cast gold 
D)  Ceramic 
A)  Resin composites 
B)  Dental amalgam 
C)  Cast gold 
D)  Ceramic

Question 3

When are fine abrasives used?

Accepted Answer

A)  Reduce scratches 
B)  Contour the restoration 
C)  Remove excess material 
D)  Provide detailed anatomy 
A)  Reduce scratches 
B)  Contour the restoration 
C)  Remove excess material 
D)  Provide detailed anatomy

Question 4

Explain the guidelines for helping a patient choose the correct dentifrice for his/her needs.

Accepted Answer

The best available guidelines to follow

Question 5

Which of the following types of abrasive materials found in prophy paste, wear during use but continue to abrade, producing an increasingly smoother surface?

Accepted Answer

A)  Perlite 
B)  Silicon dioxide 
C)  Zirconium silicate 
D)  Diatomaceous silicon dioxide 
E)  Sodium-potassium-aluminum silicate 
A)  Perlite 
B)  Silicon dioxide 
C)  Zirconium silicate 
D)  Diatomaceous silicon dioxide 
E)  Sodium-potassium-aluminum silicate

Question 6

At what point can high-copper amalgams be polished?

Accepted Answer

A)  Should not be polished 
B)  Can be polished after 8 to 12 minutes 
C)  Should be polished after 24 hours 
A)  Should not be polished 
B)  Can be polished after 8 to 12 minutes 
C)  Should be polished after 24 hours

Question 7

What are the three categories of abrasives used in dentistry?

Accepted Answer

A)  Tin oxide and rouge 
B)  Light, medium, and coarse pumice 
C)  Smoothing, wearing, and adhering 
D)  Finishing, polishing, and cleansing 
A)  Tin oxide and rouge 
B)  Light, medium, and coarse pumice 
C)  Smoothing, wearing, and adhering 
D)  Finishing, polishing, and cleansing

Question 8

After polishing, a denture should be stored _____ until delivery to the patient.

Accepted Answer

A)  dry 
B)  moist 
C)  in glycerin 
D)  in ultrasonic cleaning solution 
A)  dry 
B)  moist 
C)  in glycerin 
D)  in ultrasonic cleaning solution

Question 9

Which of the following is true about rag wheels and pumice?

Accepted Answer

A)  Disposed of after each patient use 
B)  Sterilized before the next patient use 
C)  Used on the tongue side of the prosthetic 
D)  Only A and B 
E)  All of the above 
A)  Disposed of after each patient use 
B)  Sterilized before the next patient use 
C)  Used on the tongue side of the prosthetic 
D)  Only A and B 
E)  All of the above

Question 10

Which of the following statements is true when using abrasives?

Accepted Answer

A)  The area being finished and polished should be rinsed with each successive change of abrasive. 
B)  Dry polishing will increase the danger of overheating the surface. 
C)  Dry polishing will increase the efficiency of the abrasive. 
D)  Both A and C are correct statements. 
A)  The area being finished and polished should be rinsed with each successive change of abrasive. 
B)  Dry polishing will increase the danger of overheating the surface. 
C)  Dry polishing will increase the efficiency of the abrasive. 
D)  Both A and C are correct statements.

Question 11

Which statement is true regarding the smooth surface of a restoration?

Accepted Answer

A)  Allows stain formation 
B)  Reduces retention of bacteria 
C)  Increases retention of bacteria 
D)  Produces a dull, nonreflective appearance 
A)  Allows stain formation 
B)  Reduces retention of bacteria 
C)  Increases retention of bacteria 
D)  Produces a dull, nonreflective appearance

Question 12

For an abrasive, the higher the speed, the greater the frequency per unit of time the particle contacts the surface. In a clinical situation it is easiest to control pressure rather than speed to vary the rate of abrasion.

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 13

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)  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 14

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)  Soaking in hot water 
C)  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 
D)  A, B, and C 
E)  A and C 
A)  Light brushing 
B)  Soaking in hot water 
C)  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 
D)  A, B, and C 
E)  A and C

Question 15

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

Question 16

Which technique will produce the smoothest surface of a gold casting?

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 17

Which of the following choices represent(s) an effective means of improving denture cleanliness?

Accepted Answer

A)  Fifteen-minute soaking 
B)  Ultrasonic vibration 
C)  Chemical cleansers 
D)  Brushing 
E)  C and D 
A)  Fifteen-minute soaking 
B)  Ultrasonic vibration 
C)  Chemical cleansers 
D)  Brushing 
E)  C and D

Question 18

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

Accepted Answer

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

Question 19

Why are finishing and polishing techniques so important in restorative dentistry?

Accepted Answer

A)  Remove excess material and to smooth roughened surfaces 
B)  Remove plaque and calculus from restorations 
C)  Burnish the margins of gold castings 
D)  Work-harden metal surfaces 
A)  Remove excess material and to smooth roughened surfaces 
B)  Remove plaque and calculus from restorations 
C)  Burnish the margins of gold castings 
D)  Work-harden metal surfaces

Question 20

Which statement is correct about the finish on a glass ionomer restoration?

Accepted Answer

A)  Rougher than a compomer 
B)  The same as composite resin 
C)  Smoother than a compomer 
D)  Smoother than composite resin 
A)  Rougher than a compomer 
B)  The same as composite resin 
C)  Smoother than a compomer 
D)  Smoother than composite resin

Compare and contrast in-office and home whitening materials.

Which of the following restorative materials is most subject to wear during a prophylactic procedure?

When are fine abrasives used?

Explain the guidelines for helping a patient choose the correct dentifrice for his/her needs.

Which of the following types of abrasive materials found in prophy paste, wear during use but continue to abrade, producing an increasingly smoother surface?

At what point can high-copper amalgams be polished?

What are the three categories of abrasives used in dentistry?

After polishing, a denture should be stored _____ until delivery to the patient.

Which of the following is true about rag wheels and pumice?

Which of the following statements is true when using abrasives?

Which statement is true regarding the smooth surface of a restoration?

For an abrasive, the higher the speed, the greater the frequency per unit of time the particle contacts the surface. In a clinical situation it is easiest to control pressure rather than speed to vary the rate of abrasion.

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

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?

Which technique will produce the smoothest surface of a gold casting?

Which of the following choices represent(s) an effective means of improving denture cleanliness?

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

Why are finishing and polishing techniques so important in restorative dentistry?

Which statement is correct about the finish on a glass ionomer restoration?

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, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters

Exam 6: Finishing, Polishing, and Cleansing Materials

Compare and contrast in-office and home whitening materials.

Which of the following restorative materials is most subject to wear during a prophylactic procedure?

When are fine abrasives used?

Explain the guidelines for helping a patient choose the correct dentifrice for his/her needs.

Which of the following types of abrasive materials found in prophy paste, wear during use but continue to abrade, producing an increasingly smoother surface?

At what point can high-copper amalgams be polished?

What are the three categories of abrasives used in dentistry?

After polishing, a denture should be stored _____ until delivery to the patient.

Which of the following is true about rag wheels and pumice?

Which of the following statements is true when using abrasives?

Which statement is true regarding the smooth surface of a restoration?

For an abrasive, the higher the speed, the greater the frequency per unit of time the particle contacts the surface. In a clinical situation it is easiest to control pressure rather than speed to vary the rate of abrasion.

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

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?

Which technique will produce the smoothest surface of a gold casting?

Which of the following choices represent(s) an effective means of improving denture cleanliness?

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

Why are finishing and polishing techniques so important in restorative dentistry?

Which statement is correct about the finish on a glass ionomer restoration?

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, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters