Question 1

Which of the following statements is true of the manipulation of fluoride foams and gels during their application for office fluoride treatment?

Accepted Answer

A)  They should be applied prior to dental prophylaxis. 
B)  The teeth are to be kept as free from saliva as possible before application of the tray. 
C)  The troughs of the maxillary and mandibular trays should be completely filled with the gel. 
D)  After application of the gel, the patient is instructed not to eat for 4 hours. 
E)  Rinses are recommended for children under six years old. 
A)  They should be applied prior to dental prophylaxis. 
B)  The teeth are to be kept as free from saliva as possible before application of the tray. 
C)  The troughs of the maxillary and mandibular trays should be completely filled with the gel. 
D)  After application of the gel, the patient is instructed not to eat for 4 hours. 
E)  Rinses are recommended for children under six years old.

Question 2

Which of the following statements is true of the pit and fissure?

Accepted Answer

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

Question 3

Which of the following statements 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 more 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, B and C are true. 
E)  A and C are true. 
A)  Athletes prefer the custom-made mouth protector over mouth-formed and stock mouth protectors. 
B)  Custom-made mouth protectors are more 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, B and C are true. 
E)  A and C are true.

Question 4

Current evidence indicates that sealants should not be used on the teeth of a patient:

Accepted Answer

A)  who cooperates in maintaining good oral hygiene. 
B)  who has pits and fissures on occlusal surfaces. 
C)  who has been free of caries for several years. 
D)  with no proximal lesions. 
A)  who cooperates in maintaining good oral hygiene. 
B)  who has pits and fissures on occlusal surfaces. 
C)  who has been free of caries for several years. 
D)  with no proximal lesions.

Question 5

______ fluoride may be responsible for depositing stains on teeth and restorations.

Accepted Answer

A)  Stannous 
B)  Acidulated phosphate 
C)  Neutral sodium 
D)  Sodium 
A)  Stannous 
B)  Acidulated phosphate 
C)  Neutral sodium 
D)  Sodium

Question 6

Benzoyl peroxide is the:

Accepted Answer

A)  initiator of a one-component sealant system. 
B)  initiator of a two-component sealant system. 
C)  inorganic filler. 
D)  organic amine accelerator of a one-component sealant system. 
E)  monomer. 
A)  initiator of a one-component sealant system. 
B)  initiator of a two-component sealant system. 
C)  inorganic filler. 
D)  organic amine accelerator of a one-component sealant system. 
E)  monomer.

Question 7

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 8

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

Accepted Answer

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

Question 9

Eighty-five percent of dental caries on posterior teeth of children ages 5 to 17 occur on which surface?

Accepted Answer

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

Question 10

Which of the following statements is true of 4-minute versus 1-minute application of a fluoride treatment? A 4-minute application is:

Accepted Answer

A)  less effective than a 1-minute application. 
B)  equally effective as a 1-minute application. 
C)  more effective than a 1-minute application. 
D)  not currently recommended. 
A)  less effective than a 1-minute application. 
B)  equally effective as a 1-minute application. 
C)  more effective than a 1-minute application. 
D)  not currently recommended.

Question 11

Thixotropic means the:

Accepted Answer

A)  viscosity of the material is changeable. 
B)  material will adhere to an intraoral surface. 
C)  setting time of the material is affected by glove powder. 
D)  grain size of cast gold is affected by quenching. 
A)  viscosity of the material is changeable. 
B)  material will adhere to an intraoral surface. 
C)  setting time of the material is affected by glove powder. 
D)  grain size of cast gold is affected by quenching.

Question 12

The chemistry of sealants is similar to:

Accepted Answer

A)  acidulated phosphate-fluoride (APF). 
B)  composite restorative material. 
C)  ceramic restorative material. 
D)  glass ionomer cement. 
A)  acidulated phosphate-fluoride (APF). 
B)  composite restorative material. 
C)  ceramic restorative material. 
D)  glass ionomer cement.

Question 13

Surveys report that orofacial injuries most frequently occur in _____ when the athlete is not wearing a mouth protector.

Accepted Answer

A)  basketball 
B)  hockey 
C)  football 
D)  skiing 
E)  golf 
A)  basketball 
B)  hockey 
C)  football 
D)  skiing 
E)  golf

Question 14

Of the following,which would not be a sign of mouth-protector deterioration?

Accepted Answer

A)  Bite-through 
B)  Tearing 
C)  Discoloration 
D)  General wear 
A)  Bite-through 
B)  Tearing 
C)  Discoloration 
D)  General wear

Question 15

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 16

If teeth become contaminated with saliva after they are etched,the operator should:

Accepted Answer

A)  rinse the area again and dry it. 
B)  re-etch, rinse, and dry. 
C)  use the high velocity suction to dry. 
D)  add more cotton rolls for moisture control. 
A)  rinse the area again and dry it. 
B)  re-etch, rinse, and dry. 
C)  use the high velocity suction to dry. 
D)  add more cotton rolls for moisture control.

Question 17

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 18

Identify four criteria for not using a pit and fissure sealant.

Accepted Answer

Current evidence indicates that sealants

Question 19

Sealants are polymerized by using a(n)_____ spectrum light.

Accepted Answer

A)  ultraviolet. 
B)  incandescent. 
C)  fluorescent. 
D)  visible. 
A)  ultraviolet. 
B)  incandescent. 
C)  fluorescent. 
D)  visible.

Which of the following statements is true of the manipulation of fluoride foams and gels during their application for office fluoride treatment?

Which of the following statements is true of the pit and fissure?

Which of the following statements is(are)true of custom-made mouth protectors?

Current evidence indicates that sealants should not be used on the teeth of a patient:

______ fluoride may be responsible for depositing stains on teeth and restorations.

Benzoyl peroxide is the:

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

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

Eighty-five percent of dental caries on posterior teeth of children ages 5 to 17 occur on which surface?

Which of the following statements is true of 4-minute versus 1-minute application of a fluoride treatment? A 4-minute application is:

Thixotropic means the:

The chemistry of sealants is similar to:

Surveys report that orofacial injuries most frequently occur in _____ when the athlete is not wearing a mouth protector.

Of the following,which would not be a sign of mouth-protector deterioration?

Fluoride varnishes are available that contain _____ fluoride.

If teeth become contaminated with saliva after they are etched,the operator should:

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

Identify four criteria for not using a pit and fissure sealant.

Sealants are polymerized by using a(n)_____ spectrum light.

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 and Soldering

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters

Exam 3: Preventive Dental Materials

Which of the following statements is true of the manipulation of fluoride foams and gels during their application for office fluoride treatment?

Which of the following statements is true of the pit and fissure?

Which of the following statements is(are)true of custom-made mouth protectors?

Current evidence indicates that sealants should not be used on the teeth of a patient:

______ fluoride may be responsible for depositing stains on teeth and restorations.

Benzoyl peroxide is the:

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

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

Eighty-five percent of dental caries on posterior teeth of children ages 5 to 17 occur on which surface?

Which of the following statements is true of 4-minute versus 1-minute application of a fluoride treatment? A 4-minute application is:

Thixotropic means the:

The chemistry of sealants is similar to:

Surveys report that orofacial injuries most frequently occur in _____ when the athlete is not wearing a mouth protector.

Of the following,which would not be a sign of mouth-protector deterioration?

Fluoride varnishes are available that contain _____ fluoride.

If teeth become contaminated with saliva after they are etched,the operator should:

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

Identify four criteria for not using a pit and fissure sealant.

Sealants are polymerized by using a(n)_____ spectrum light.

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 and Soldering

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters

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