Question 1

The three categories of abrasives used in dentistry are:

Accepted Answer

A)  pumice, tin-oxide, and rouge. 
B)  finishing, polishing, and cleansing. 
C)  light, medium, and course. 
D)  smoothing, wearing, and adhering. 
A)  pumice, tin-oxide, and rouge. 
B)  finishing, polishing, and cleansing. 
C)  light, medium, and course. 
D)  smoothing, wearing, and adhering. B

Question 2

The smooth surface of a restoration will:

Accepted Answer

A)  reduce retention of bacteria. 
B)  increase retention of bacteria. 
C)  allow stain formation. 
D)  produce a dull, nonreflective appearance. 
A)  reduce retention of bacteria. 
B)  increase retention of bacteria. 
C)  allow stain formation. 
D)  produce a dull, nonreflective appearance. A

Question 3

High-copper dental amalgam:

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. B

Question 4

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

Accepted Answer

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

Question 5

Home bleaching agents typically contain 10% to 22% _____ peroxide.

Accepted Answer

A)  hydrogen 
B)  carbamide 
C)  sodium 
D)  calcium 
A)  hydrogen 
B)  carbamide 
C)  sodium 
D)  calcium

Question 6

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

Accepted Answer

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

Question 7

The materials used for finishing and polishing are primarily:

Accepted Answer

A)  surfactants. 
B)  humectants. 
C)  astringents. 
D)  abrasives. 
A)  surfactants. 
B)  humectants. 
C)  astringents. 
D)  abrasives.

Question 8

The amount of pressure exerted when using an abrasive material will:

Accepted Answer

A)  cause the finish to be glossy as it increases. 
B)  cause the material to fracture if excessive. 
C)  cause deeper grooves in the finished restoration. 
D)  eliminate intrinsic stains in the surrounding enamel. 
A)  cause the finish to be glossy as it increases. 
B)  cause the material to fracture if excessive. 
C)  cause deeper grooves in the finished restoration. 
D)  eliminate intrinsic stains in the surrounding enamel.

Question 9

Some fast-setting,high-copper amalgams can be polished about 8 to 12 minutes after placement with a _____ paste of extra-fine _____ and water in a rubber cup.

Accepted Answer

A)  dry; silex 
B)  dry; tin oxide 
C)  creamy; silex 
D)  creamy; tin oxide 
A)  dry; silex 
B)  dry; tin oxide 
C)  creamy; silex 
D)  creamy; tin oxide

Question 10

Which of the following represents an appropriate sequence for finishing and polishing an acrylic denture base?

Accepted Answer

A)  Pumice slurry, finishing bur, tripoli 
B)  Pumice slurry, tripoli, finishing bur 
C)  Finishing bur, tripoli, pumice slurry 
D)  Finishing bur, pumice slurry, tripoli 
E)  Tripoli, finishing bur, pumice slurry 
A)  Pumice slurry, finishing bur, tripoli 
B)  Pumice slurry, tripoli, finishing bur 
C)  Finishing bur, tripoli, pumice slurry 
D)  Finishing bur, pumice slurry, tripoli 
E)  Tripoli, finishing bur, pumice slurry

Question 11

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

Question 12

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 efficiency of the abrasive. 
C)  Dry polishing will increase the danger of overheating the surface. 
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 efficiency of the abrasive. 
C)  Dry polishing will increase the danger of overheating the surface. 
D)  Both A and C are correct statements.

Question 13

Which of the following statements is true of bleaching agents?

Accepted Answer

A)  They will adversely affect restorative materials such as gold alloys, amalgam, microfilled composites, or porcelain. 
B)  Bleach should come in contact with dentin in order to bleach the yellow shade. 
C)  Some microhybrid composites, hybrid ionomers, and glass ionomers have been roughened slightly by bleaching gels. 
D)  Yellow, orange, or light brown stains are the least responsive to bleaching. 
A)  They will adversely affect restorative materials such as gold alloys, amalgam, microfilled composites, or porcelain. 
B)  Bleach should come in contact with dentin in order to bleach the yellow shade. 
C)  Some microhybrid composites, hybrid ionomers, and glass ionomers have been roughened slightly by bleaching gels. 
D)  Yellow, orange, or light brown stains are the least responsive to bleaching.

Question 14

Diamond stones are:

Accepted Answer

A)  created using diamond chips. 
B)  chips added to a binder. 
C)  formed into discs, cups, or points. 
D)  all of the above. 
A)  created using diamond chips. 
B)  chips added to a binder. 
C)  formed into discs, cups, or points. 
D)  all of the above.

Question 15

The finish on a glass ionomer restoration is:

Accepted Answer

A)  rougher than a compomer. 
B)  smoother than a compomer. 
C)  smoother than composite resin. 
D)  the same as composite resin. 
A)  rougher than a compomer. 
B)  smoother than a compomer. 
C)  smoother than composite resin. 
D)  the same as composite resin.

Question 16

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

Accepted Answer

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

Question 17

Sand disks should not be used interchangeably with _____ disks.

Accepted Answer

A)  silicon carbide 
B)  cuttle 
C)  diamond 
D)  aluminum oxide 
A)  silicon carbide 
B)  cuttle 
C)  diamond 
D)  aluminum oxide

Question 18

_____ abrasives are generally hard,coarse abrasives used primarily for development of desired contours of a restoration or tooth preparation and for removal of gross irregularities on a surface.

Accepted Answer

A)  Cleansing 
B)  Finishing 
C)  Polishing 
D)  A and B 
E)  B and C 
A)  Cleansing 
B)  Finishing 
C)  Polishing 
D)  A and B 
E)  B and C

Question 19

Which of the following would represent an appropriate sequence for finishing and polishing an amalgam restoration?

Accepted Answer

A)  Finishing bur, green stone, tin oxide, silex 
B)  Green stone, finishing bur, silex, tin oxide 
C)  Green stone, finishing bur, tin oxide, silex 
D)  Tin oxide, silex, green stone, finishing bur 
A)  Finishing bur, green stone, tin oxide, silex 
B)  Green stone, finishing bur, silex, tin oxide 
C)  Green stone, finishing bur, tin oxide, silex 
D)  Tin oxide, silex, green stone, finishing bur

Question 20

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

The three categories of abrasives used in dentistry are:

The smooth surface of a restoration will:

High-copper dental amalgam:

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

Home bleaching agents typically contain 10% to 22% _____ peroxide.

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

The materials used for finishing and polishing are primarily:

The amount of pressure exerted when using an abrasive material will:

Some fast-setting,high-copper amalgams can be polished about 8 to 12 minutes after placement with a _ paste of extra-fine _ and water in a rubber cup.

Which of the following represents an appropriate sequence for finishing and polishing an acrylic denture base?

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

Which of the following statements is true when using abrasives?

Which of the following statements is true of bleaching agents?

Diamond stones are:

The finish on a glass ionomer restoration is:

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

Sand disks should not be used interchangeably with _____ disks.

_____ abrasives are generally hard,coarse abrasives used primarily for development of desired contours of a restoration or tooth preparation and for removal of gross irregularities on a surface.

Which of the following would represent an appropriate sequence for finishing and polishing an amalgam 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.

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

The three categories of abrasives used in dentistry are:

The smooth surface of a restoration will:

High-copper dental amalgam:

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

Home bleaching agents typically contain 10% to 22% _____ peroxide.

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

The materials used for finishing and polishing are primarily:

The amount of pressure exerted when using an abrasive material will:

Some fast-setting,high-copper amalgams can be polished about 8 to 12 minutes after placement with a _____ paste of extra-fine _____ and water in a rubber cup.

Which of the following represents an appropriate sequence for finishing and polishing an acrylic denture base?

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

Which of the following statements is true when using abrasives?

Which of the following statements is true of bleaching agents?

Diamond stones are:

The finish on a glass ionomer restoration is:

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

Sand disks should not be used interchangeably with _____ disks.

_____ abrasives are generally hard,coarse abrasives used primarily for development of desired contours of a restoration or tooth preparation and for removal of gross irregularities on a surface.

Which of the following would represent an appropriate sequence for finishing and polishing an amalgam 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.

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

Some fast-setting,high-copper amalgams can be polished about 8 to 12 minutes after placement with a _ paste of extra-fine _ and water in a rubber cup.