Question 1

Sealants polymerized by visible light are ______-component systems that _____ require mixing.

Accepted Answer

A)  one; do 
B)  one; do not 
C)  two; do 
D)  two; do not 
A)  one; do 
B)  one; do not 
C)  two; do 
D)  two; do not

Question 2

Which of the following is considered to be a preventive dental material?

Accepted Answer

A)  Pit and fissure sealant 
B)  Dental amalgam 
C)  Ceramic veneer 
D)  Full gold crown 
A)  Pit and fissure sealant 
B)  Dental amalgam 
C)  Ceramic veneer 
D)  Full gold crown

Question 3

A preventive resin restoration involves the use of _____ to restore the teeth.

Accepted Answer

A)  flowable composite 
B)  hybrid ionomer 
C)  glass ionomer 
D)  compomer 
E)  ceramic 
A)  flowable composite 
B)  hybrid ionomer 
C)  glass ionomer 
D)  compomer 
E)  ceramic

Question 4

How does acid etching of the enamel surface improve the retention of a sealant?

Accepted Answer

A)  Decreases the surface area 
B)  Cleans the area to be sealed 
C)  Improves the wettability of the enamel 
D)  A, B, and C are all correct. 
E)  Only B and C are correct. 
A)  Decreases the surface area 
B)  Cleans the area to be sealed 
C)  Improves the wettability of the enamel 
D)  A, B, and C are all correct. 
E)  Only B and C are correct.

Question 5

Which of the following terms describes a neutral fluoride gel containing thickening agents?

Accepted Answer

A)  Wetting 
B)  Viscous 
C)  Flowable 
D)  Thixotropic 
A)  Wetting 
B)  Viscous 
C)  Flowable 
D)  Thixotropic

Question 6

Fluoride varnishes are available that contain ________ fluoride.

Accepted Answer

A)  1% sodium 
B)  5% sodium 
C)  1% stannous 
D)  5% stannous 
E)  2.34% acidulated phosphate-fluoride (APF) 
A)  1% sodium 
B)  5% sodium 
C)  1% stannous 
D)  5% stannous 
E)  2.34% acidulated phosphate-fluoride (APF)

Question 7

It can be difficult to fill a fissure completely with sealant due to _____ trapped in the fissure.

Accepted Answer

A)  air 
B)  debris 
C)  moisture 
D)  all of the above 
A)  air 
B)  debris 
C)  moisture 
D)  all of the above

Question 8

A mouth protector thickness of _____ mm of material over incisal edges and cusps of teeth is recommended for best protection and acceptable comfort.

Accepted Answer

A)  0.5 
B)  1.0 
C)  2.0 
D)  4.0 
E)  8.0 
A)  0.5 
B)  1.0 
C)  2.0 
D)  4.0 
E)  8.0

Question 9

As the thickness of mouth protector material increases, the energy forces _____, and the transmitted forces _____.

Accepted Answer

A)  increase; decrease 
B)  increase; increase 
C)  decrease; increase 
D)  decrease; decrease 
A)  increase; decrease 
B)  increase; increase 
C)  decrease; increase 
D)  decrease; decrease

Question 10

Which of the following represents the correct sequential order for manipulation of pit and fissure sealants that require etching with phosphoric acid? 1. Cleansing and etching the occlusal surfaces
2) Drying the occlusal surfaces
3) Washing the occlusal surfaces
4) Finishing the occlusal surfaces
5) Polymerizing
6) Applying sealant to the pits and fissures

Accepted Answer

A)  2, 1, 3, 4, 6, 5 
B)  1, 2, 4, 3, 5, 6 
C)  1, 3, 2, 6, 4, 5 
D)  1, 3, 2, 6, 5, 4 
E)  3, 1, 2, 6, 4, 5 
A)  2, 1, 3, 4, 6, 5 
B)  1, 2, 4, 3, 5, 6 
C)  1, 3, 2, 6, 4, 5 
D)  1, 3, 2, 6, 5, 4 
E)  3, 1, 2, 6, 4, 5

Question 11

Which statement(s) is/are true of custom-made mouth protectors?

Accepted Answer

A)  Athletes prefer the custom-made mouth protector over mouth-formed and stock mouth protectors. 
B)  Custom-made mouth protectors are less expensive than mouth-formed or stock mouth protectors. 
C)  Custom-made mouth protectors are less likely to interfere with speech than mouth-formed or stock mouth protectors. 
D)  A and B are correct. 
E)  A and C are correct. 
A)  Athletes prefer the custom-made mouth protector over mouth-formed and stock mouth protectors. 
B)  Custom-made mouth protectors are less expensive than mouth-formed or stock mouth protectors. 
C)  Custom-made mouth protectors are less likely to interfere with speech than mouth-formed or stock mouth protectors. 
D)  A and B are correct. 
E)  A and C are correct.

Question 12

Teeth should be etched with a _____ phosphoric solution for _____ seconds.

Accepted Answer

A)  18%; 15 
B)  23%; 30 
C)  37%; 60 
D)  42%; 45 
A)  18%; 15 
B)  23%; 30 
C)  37%; 60 
D)  42%; 45

Question 13

Application of fluoride is least effective in preventing caries on which of the following surfaces of posterior teeth?

Accepted Answer

A)  Distal 
B)  Mesial 
C)  Buccal 
D)  Lingual 
E)  Occlusal 
A)  Distal 
B)  Mesial 
C)  Buccal 
D)  Lingual 
E)  Occlusal

Question 14

Which type of fluoride treatment is best to use for a patient with dentinal hypersensitivity (has a neutral pH)?

Accepted Answer

A)  Acidulated phosphate fluoride 
B)  Stannous fluoride 
C)  Sodium fluoride 
D)  A and C 
E)  B and C 
A)  Acidulated phosphate fluoride 
B)  Stannous fluoride 
C)  Sodium fluoride 
D)  A and C 
E)  B and C

Question 15

Compare and contrast the three types of mouth protectors available for athletes to use.

Accepted Answer

There are three types of mouth protector

Question 16

Current evidence indicates that sealants should not be used on the teeth of which type of patient?

Accepted Answer

A)  Cooperates in maintaining good oral hygiene 
B)  Has pits and fissures on occlusal surfaces 
C)  Has been free of caries for several years 
D)  Has no proximal lesions 
A)  Cooperates in maintaining good oral hygiene 
B)  Has pits and fissures on occlusal surfaces 
C)  Has been free of caries for several years 
D)  Has no proximal lesions

Question 17

Pit and fissure sealants may be used to prevent caries in _____ teeth.

Accepted Answer

A)  deciduous but not permanent 
B)  permanent but not deciduous 
C)  both deciduous and permanent 
D)  neither deciduous nor permanent 
A)  deciduous but not permanent 
B)  permanent but not deciduous 
C)  both deciduous and permanent 
D)  neither deciduous nor permanent

Question 18

Which of the following statements is true about pits and fissures?

Accepted Answer

A)  A smooth-based depression on the occlusal surface of a tooth. 
B)  The result of noncoalescence of dentin during tooth formation. 
C)  The result of noncoalescence of enamel during tooth formation. 
D)  May be cleansed by the excursion of food or a toothbrush bristle. 
A)  A smooth-based depression on the occlusal surface of a tooth. 
B)  The result of noncoalescence of dentin during tooth formation. 
C)  The result of noncoalescence of enamel during tooth formation. 
D)  May be cleansed by the excursion of food or a toothbrush bristle.

Question 19

Approximately ____% of dental caries in children 5 to 17 years of age involves pits.

Accepted Answer

A)  11 
B)  24 
C)  49 
D)  74 
E)  84 
A)  11 
B)  24 
C)  49 
D)  74 
E)  84

Question 20

Which type of fluoride will not etch restorations?

Accepted Answer

A)  Acidulated phosphate fluoride 
B)  Stannous fluoride 
C)  Sodium fluoride 
D)  A and B 
E)  B and C 
A)  Acidulated phosphate fluoride 
B)  Stannous fluoride 
C)  Sodium fluoride 
D)  A and B 
E)  B and C

Sealants polymerized by visible light are __-component systems that _ require mixing.

Which of the following is considered to be a preventive dental material?

A preventive resin restoration involves the use of _____ to restore the teeth.

How does acid etching of the enamel surface improve the retention of a sealant?

Which of the following terms describes a neutral fluoride gel containing thickening agents?

Fluoride varnishes are available that contain ________ fluoride.

It can be difficult to fill a fissure completely with sealant due to _____ trapped in the fissure.

A mouth protector thickness of _____ mm of material over incisal edges and cusps of teeth is recommended for best protection and acceptable comfort.

As the thickness of mouth protector material increases, the energy forces _, and the transmitted forces _.

Which statement(s) is/are true of custom-made mouth protectors?

Teeth should be etched with a _ phosphoric solution for _ seconds.

Application of fluoride is least effective in preventing caries on which of the following surfaces of posterior teeth?

Which type of fluoride treatment is best to use for a patient with dentinal hypersensitivity (has a neutral pH)?

Compare and contrast the three types of mouth protectors available for athletes to use.

Current evidence indicates that sealants should not be used on the teeth of which type of patient?

Pit and fissure sealants may be used to prevent caries in _____ teeth.

Which of the following statements is true about pits and fissures?

Approximately ____% of dental caries in children 5 to 17 years of age involves pits.

Which type of fluoride will not etch restorations?

Introduction to Restorative Dental Materials

Properties of Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

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 3: Preventive Dental Materials

Sealants polymerized by visible light are ______-component systems that _____ require mixing.

Which of the following is considered to be a preventive dental material?

A preventive resin restoration involves the use of _____ to restore the teeth.

How does acid etching of the enamel surface improve the retention of a sealant?

Which of the following terms describes a neutral fluoride gel containing thickening agents?

Fluoride varnishes are available that contain ________ fluoride.

It can be difficult to fill a fissure completely with sealant due to _____ trapped in the fissure.

A mouth protector thickness of _____ mm of material over incisal edges and cusps of teeth is recommended for best protection and acceptable comfort.

As the thickness of mouth protector material increases, the energy forces _____, and the transmitted forces _____.

Which statement(s) is/are true of custom-made mouth protectors?

Teeth should be etched with a _____ phosphoric solution for _____ seconds.

Application of fluoride is least effective in preventing caries on which of the following surfaces of posterior teeth?

Which type of fluoride treatment is best to use for a patient with dentinal hypersensitivity (has a neutral pH)?

Compare and contrast the three types of mouth protectors available for athletes to use.

Current evidence indicates that sealants should not be used on the teeth of which type of patient?

Pit and fissure sealants may be used to prevent caries in _____ teeth.

Which of the following statements is true about pits and fissures?

Approximately ____% of dental caries in children 5 to 17 years of age involves pits.

Which type of fluoride will not etch restorations?

Introduction to Restorative Dental Materials

Properties of Materials

Direct Esthetic Restorative Materials

Dental Amalgam

Finishing, Polishing, and Cleansing Materials

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

Sealants polymerized by visible light are __-component systems that _ require mixing.

As the thickness of mouth protector material increases, the energy forces _, and the transmitted forces _.

Teeth should be etched with a _ phosphoric solution for _ seconds.