Question 1

Match the items with the correct description below.
-This is the active ingredient in power-whitening products used in the dental office.

Accepted Answer

A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid 
A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid C

Question 2

Which of the following is/are a potential side effect(s)of bleaching?

Accepted Answer

A)  Condyle pain 
B)  Tooth sensitivity 
C)  Gum irritation 
D)  All of the above 
A)  Condyle pain 
B)  Tooth sensitivity 
C)  Gum irritation 
D)  All of the above D

Question 3

Which of the following statements regarding power-whitening is correct?

Accepted Answer

A)  The patient must return several times in order to get the desired effect. 
B)  Power-whitening is a permanent procedure. 
C)  Patients are sent home with custom trays and additional whitening materials. 
D)  Power-whitening does not cause tooth sensitivity. 
A)  The patient must return several times in order to get the desired effect. 
B)  Power-whitening is a permanent procedure. 
C)  Patients are sent home with custom trays and additional whitening materials. 
D)  Power-whitening does not cause tooth sensitivity. C

Question 4

Bleaching materials often contain _____ to help cut down on tooth sensitivity.

Accepted Answer

A)  potassium nitrate 
B)  fluoride 
C)  eugenol 
D)  calcium hydroxide 
A)  potassium nitrate 
B)  fluoride 
C)  eugenol 
D)  calcium hydroxide

Question 5

In addition to pumice,what substance is used to perform enamel microabrasion?

Accepted Answer

A)  Carbamide peroxide 
B)  Hydrogen peroxide 
C)  Hydrochloric acid 
D)  Phosphoric acid 
A)  Carbamide peroxide 
B)  Hydrogen peroxide 
C)  Hydrochloric acid 
D)  Phosphoric acid

Question 6

Match the items with the correct description below.
-This is the active ingredient in at-home bleaching kits.

Accepted Answer

A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid 
A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid

Question 7

Match the items with the correct description below.
-These stains are caused by medications or developmental disturbances in the developing tooth bud.

Accepted Answer

A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid 
A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid

Question 8

Which item listed is not a side effect of in-home bleaching?

Accepted Answer

A)  Tooth sensitivity 
B)  Irritated gingiva 
C)  Sore muscles of the jaw 
D)  Broken esthetic restorations 
A)  Tooth sensitivity 
B)  Irritated gingiva 
C)  Sore muscles of the jaw 
D)  Broken esthetic restorations

Question 9

Why should a leaking restoration be replaced before the bleaching process is started?

Accepted Answer

A)  Ensure a correct shade match 
B)  Prevent a line of black stain around the restorations 
C)  Be certain that restorative needs are treated before esthetic needs 
D)  Prevent excessive penetration of bleach through dentinal tubules that might irritate the pulp and cause sensitivity 
A)  Ensure a correct shade match 
B)  Prevent a line of black stain around the restorations 
C)  Be certain that restorative needs are treated before esthetic needs 
D)  Prevent excessive penetration of bleach through dentinal tubules that might irritate the pulp and cause sensitivity

Question 10

Which of the following statements is true regarding types of tooth stains?

Accepted Answer

A)  Intrinsic stains are on the tooth surface. 
B)  All extrinsic stains can be removed by hand or ultrasonic scaling and coronal polishing. 
C)  In general,yellow-brown discolorations are easier to bleach than blue-gray and black colors. 
D)  Tetracycline derivatives such as minocycline will cause discoloration of teeth in children but not in adults. 
A)  Intrinsic stains are on the tooth surface. 
B)  All extrinsic stains can be removed by hand or ultrasonic scaling and coronal polishing. 
C)  In general,yellow-brown discolorations are easier to bleach than blue-gray and black colors. 
D)  Tetracycline derivatives such as minocycline will cause discoloration of teeth in children but not in adults.

Question 11

Which stains are most effectively removed by bleaching of vital teeth?

Accepted Answer

A)  Black stains 
B)  Green stains 
C)  Blue-gray stains 
D)  Yellow-brown stains 
A)  Black stains 
B)  Green stains 
C)  Blue-gray stains 
D)  Yellow-brown stains

Question 12

Which stains have the best chance of removal when a bleaching product is used?

Accepted Answer

A)  Iron 
B)  Food 
C)  Coffee 
D)  Antibiotics 
A)  Iron 
B)  Food 
C)  Coffee 
D)  Antibiotics

Question 13

Which of the following is considered to be an intrinsic stain?

Accepted Answer

A)  Coffee 
B)  Black line 
C)  Tetracycline 
D)  Chlorhexidine 
A)  Coffee 
B)  Black line 
C)  Tetracycline 
D)  Chlorhexidine

Question 14

What is the active ingredient used for in-office bleaching materials?

Accepted Answer

A)  Sodium nitrate 
B)  Phosphoric acid 
C)  Hydrogen peroxide 
D)  Carbamide peroxide 
A)  Sodium nitrate 
B)  Phosphoric acid 
C)  Hydrogen peroxide 
D)  Carbamide peroxide

Question 15

Which of the following statements is true regarding home bleaching prescribed by the dentist?

Accepted Answer

A)  The material consists of clear,flexible strips containing a peroxide gel that are adapted over the teeth and worn for 30 minutes at a time once or twice a day. 
B)  Only the anterior six teeth are covered. 
C)  The gel is placed in a custom-formed soft,thin plastic tray and is worn by the patient for periods as short as 30 minutes twice daily or as long as overnight. 
D)  The home bleaching process is less effective than the in-office process. 
A)  The material consists of clear,flexible strips containing a peroxide gel that are adapted over the teeth and worn for 30 minutes at a time once or twice a day. 
B)  Only the anterior six teeth are covered. 
C)  The gel is placed in a custom-formed soft,thin plastic tray and is worn by the patient for periods as short as 30 minutes twice daily or as long as overnight. 
D)  The home bleaching process is less effective than the in-office process.

Question 16

Match the items with the correct description below.
-These stains form on the surface of the teeth and are caused by food,drink,smoking,and a variety of other sources.

Accepted Answer

A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid 
A) Extrinsic stains 
B) Intrinsic stains 
C) Hydrogen peroxide 
D) Carbamide peroxide 
E) Hydrochloric acid

Question 17

How does tooth whitening work?

Accepted Answer

A)  Dissolves stain from tooth enamel 
B)  Works as an abrasive against stains 
C)  Passes through enamel to lighten dentin 
D)  Forms free radicals on the tooth surface 
A)  Dissolves stain from tooth enamel 
B)  Works as an abrasive against stains 
C)  Passes through enamel to lighten dentin 
D)  Forms free radicals on the tooth surface

Question 18

What is the role of the dental assistant or dental hygienist in the delivery of whitening services for the patient?

Accepted Answer

In addition to chairside assisting for i

Question 19

What is the best way to protect oral tissues during a power-whitening appointment?

Accepted Answer

A)  Isolight 
B)  Dry angles 
C)  Cotton rolls 
D)  Rubber dam 
A)  Isolight 
B)  Dry angles 
C)  Cotton rolls 
D)  Rubber dam

Question 20

When should tooth whitening be done if the patient needs to have restorative work?

Accepted Answer

A)  After the restorative is completed 
B)  At the same time as the restorative 
C)  Before the restorative is completed 
A)  After the restorative is completed 
B)  At the same time as the restorative 
C)  Before the restorative is completed

Match the items with the correct description below. -This is the active ingredient in power-whitening products used in the dental office.

Which of the following is/are a potential side effect(s)of bleaching?

Which of the following statements regarding power-whitening is correct?

Bleaching materials often contain _____ to help cut down on tooth sensitivity.

In addition to pumice,what substance is used to perform enamel microabrasion?

Match the items with the correct description below. -This is the active ingredient in at-home bleaching kits.

Match the items with the correct description below. -These stains are caused by medications or developmental disturbances in the developing tooth bud.

Which item listed is not a side effect of in-home bleaching?

Why should a leaking restoration be replaced before the bleaching process is started?

Which of the following statements is true regarding types of tooth stains?

Which stains are most effectively removed by bleaching of vital teeth?

Which stains have the best chance of removal when a bleaching product is used?

Which of the following is considered to be an intrinsic stain?

What is the active ingredient used for in-office bleaching materials?

Which of the following statements is true regarding home bleaching prescribed by the dentist?

Match the items with the correct description below. -These stains form on the surface of the teeth and are caused by food,drink,smoking,and a variety of other sources.

How does tooth whitening work?

What is the role of the dental assistant or dental hygienist in the delivery of whitening services for the patient?

What is the best way to protect oral tissues during a power-whitening appointment?

When should tooth whitening be done if the patient needs to have restorative work?

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

Dental Ceramics

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 8: Teeth Whitening Materials and Procedures

Match the items with the correct description below. -This is the active ingredient in power-whitening products used in the dental office.

Which of the following is/are a potential side effect(s)of bleaching?

Which of the following statements regarding power-whitening is correct?

Bleaching materials often contain _____ to help cut down on tooth sensitivity.

In addition to pumice,what substance is used to perform enamel microabrasion?

Match the items with the correct description below. -This is the active ingredient in at-home bleaching kits.

Match the items with the correct description below. -These stains are caused by medications or developmental disturbances in the developing tooth bud.

Which item listed is not a side effect of in-home bleaching?

Why should a leaking restoration be replaced before the bleaching process is started?

Which of the following statements is true regarding types of tooth stains?

Which stains are most effectively removed by bleaching of vital teeth?

Which stains have the best chance of removal when a bleaching product is used?

Which of the following is considered to be an intrinsic stain?

What is the active ingredient used for in-office bleaching materials?

Which of the following statements is true regarding home bleaching prescribed by the dentist?

Match the items with the correct description below. -These stains form on the surface of the teeth and are caused by food,drink,smoking,and a variety of other sources.

How does tooth whitening work?

What is the role of the dental assistant or dental hygienist in the delivery of whitening services for the patient?

What is the best way to protect oral tissues during a power-whitening appointment?

When should tooth whitening be done if the patient needs to have restorative work?

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

Dental Ceramics

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