Question 1

What is the provisional of choice if an anterior tooth is fractured or badly decayed before the crown preparation process?

Accepted Answer

A)  Custom made 
B)  Polycarbonate 
C)  Stainless steel 
D)  Zinc oxide eugenol 
A)  Custom made 
B)  Polycarbonate 
C)  Stainless steel 
D)  Zinc oxide eugenol

Question 2

Which of the following provisional materials is limited to intracoronal placement?

Accepted Answer

A)  Provisional cement 
B)  Provisional acrylic 
C)  Provisional composite 
D)  Provisional polycarbonate crown 
A)  Provisional cement 
B)  Provisional acrylic 
C)  Provisional composite 
D)  Provisional polycarbonate crown

Question 3

List and describe the four criteria for provisional coverage.

Accepted Answer

•Maintain prepared tooth position to adj

Question 4

A/An _____ provisional crown is crimped and contoured at the contact and margins with crimping and contouring pliers.

Accepted Answer

A)  polycarbonate 
B)  celluloid crown form lined with composite 
C)  aluminum shell 
D)  stainless steel 
A)  polycarbonate 
B)  celluloid crown form lined with composite 
C)  aluminum shell 
D)  stainless steel

Question 5

Match the items with the correct description below.
-Finish line

Accepted Answer

A) The continuous margin that borders the preparation to which the restoration is fit or finished 
B) A restoration that covers all or part of the external surface of the tooth and may extend over the cusp tips on facial or lingual surfaces or include the removal of cusps 
C) Provisional restoration made on a cast outside the patient's mouth 
D) A restoration within the crown of the tooth,such as an inlay 
E) Provisional restoration made directly inside the patient's mouth 
A) The continuous margin that borders the preparation to which the restoration is fit or finished 
B) A restoration that covers all or part of the external surface of the tooth and may extend over the cusp tips on facial or lingual surfaces or include the removal of cusps 
C) Provisional restoration made on a cast outside the patient's mouth 
D) A restoration within the crown of the tooth,such as an inlay 
E) Provisional restoration made directly inside the patient's mouth

Question 6

_____ generated during the polymerization of chemical-cured acrylic can potentially damage the pulp or burn soft tissues.

Accepted Answer

A)  Heat 
B)  Off-gassing 
C)  Chemical by-products 
D)  Hydroquinone 
A)  Heat 
B)  Off-gassing 
C)  Chemical by-products 
D)  Hydroquinone

Question 7

Why are one or two small holes usually placed in the occlusal portion of the preformed celluloid or polymer crown form?

Accepted Answer

A)  To establish occlusion with the opposing dentition 
B)  To create a proximal contact with the adjacent tooth 
C)  To capture the occlusal contour of the opposing dentition 
D)  To allow excess resin or composite material to flow out when the crown form is seated 
A)  To establish occlusion with the opposing dentition 
B)  To create a proximal contact with the adjacent tooth 
C)  To capture the occlusal contour of the opposing dentition 
D)  To allow excess resin or composite material to flow out when the crown form is seated

Question 8

Which of the following is the primary disadvantage of the use of acrylic provisional materials?

Accepted Answer

A)  High cost 
B)  Poor esthetics 
C)  High shrinkage 
D)  Difficult manipulation 
A)  High cost 
B)  Poor esthetics 
C)  High shrinkage 
D)  Difficult manipulation

Question 9

If a provisional crown comes off during a time that the dental office is closed,the patient can be instructed to replace it after cleaning the interior of the crown and placing a small amount of _____ into the crown.

Accepted Answer

A)  cyanoacrylate (super glue) 
B)  liquid nails cement 
C)  denture adhesive 
D)  chewing gum 
A)  cyanoacrylate (super glue) 
B)  liquid nails cement 
C)  denture adhesive 
D)  chewing gum

Question 10

Which of the following is the most durable of the preformed crowns?

Accepted Answer

A)  Polycarbonate crown 
B)  Stainless steel crown 
C)  Aluminum shell crown 
D)  Celluloid crown form lined with acrylic or composite materials 
A)  Polycarbonate crown 
B)  Stainless steel crown 
C)  Aluminum shell crown 
D)  Celluloid crown form lined with acrylic or composite materials

Question 11

Which factor,associated with a provisional restoration,is responsible for irritation,inflammation,and recession of the gingiva?

Accepted Answer

A)  Chewing hard foods 
B)  Poor marginal coverage 
C)  Contour of the provisional 
D)  Brushing and flossing the provisional 
A)  Chewing hard foods 
B)  Poor marginal coverage 
C)  Contour of the provisional 
D)  Brushing and flossing the provisional

Question 12

Match the items with the correct description below.
-Extracoronal restoration

Accepted Answer

A) The continuous margin that borders the preparation to which the restoration is fit or finished 
B) A restoration that covers all or part of the external surface of the tooth and may extend over the cusp tips on facial or lingual surfaces or include the removal of cusps 
C) Provisional restoration made on a cast outside the patient's mouth 
D) A restoration within the crown of the tooth,such as an inlay 
E) Provisional restoration made directly inside the patient's mouth 
A) The continuous margin that borders the preparation to which the restoration is fit or finished 
B) A restoration that covers all or part of the external surface of the tooth and may extend over the cusp tips on facial or lingual surfaces or include the removal of cusps 
C) Provisional restoration made on a cast outside the patient's mouth 
D) A restoration within the crown of the tooth,such as an inlay 
E) Provisional restoration made directly inside the patient's mouth

Question 13

If the provisional restoration itself is too high,the results may be those associated with:

Accepted Answer

A)  trauma from occlusion. 
B)  occlusal drifting of the prepared tooth. 
C)  gingival irritation from food impaction. 
D)  lateral migration of the prepared tooth. 
A)  trauma from occlusion. 
B)  occlusal drifting of the prepared tooth. 
C)  gingival irritation from food impaction. 
D)  lateral migration of the prepared tooth.

Question 14

Which of the following would not occur if the provisional crown does not contact the adjacent teeth?

Accepted Answer

A)  Tooth may migrate laterally 
B)  Tooth will supererupt 
C)  Gingival irritation 
D)  Food impaction 
A)  Tooth may migrate laterally 
B)  Tooth will supererupt 
C)  Gingival irritation 
D)  Food impaction

Question 15

Cement provisionals are most frequently fabricated with which material?

Accepted Answer

A)  Zinc polycarboxylate 
B)  Zinc oxide eugenol 
C)  Calcium hydroxide 
D)  Zinc phosphate 
A)  Zinc polycarboxylate 
B)  Zinc oxide eugenol 
C)  Calcium hydroxide 
D)  Zinc phosphate

Question 16

Which of the following would not be a necessary function of a posterior provisional restoration?

Accepted Answer

A)  Esthetics 
B)  Reduced sensitivity 
C)  Maintaining occlusion 
D)  Eliminating migration 
A)  Esthetics 
B)  Reduced sensitivity 
C)  Maintaining occlusion 
D)  Eliminating migration

What is the provisional of choice if an anterior tooth is fractured or badly decayed before the crown preparation process?

Which of the following provisional materials is limited to intracoronal placement?

List and describe the four criteria for provisional coverage.

A/An _____ provisional crown is crimped and contoured at the contact and margins with crimping and contouring pliers.

Match the items with the correct description below. -Finish line

_____ generated during the polymerization of chemical-cured acrylic can potentially damage the pulp or burn soft tissues.

Why are one or two small holes usually placed in the occlusal portion of the preformed celluloid or polymer crown form?

Which of the following is the primary disadvantage of the use of acrylic provisional materials?

If a provisional crown comes off during a time that the dental office is closed,the patient can be instructed to replace it after cleaning the interior of the crown and placing a small amount of _____ into the crown.

Which of the following is the most durable of the preformed crowns?

Which factor,associated with a provisional restoration,is responsible for irritation,inflammation,and recession of the gingiva?

Match the items with the correct description below. -Extracoronal restoration

If the provisional restoration itself is too high,the results may be those associated with:

Which of the following would not occur if the provisional crown does not contact the adjacent teeth?

Cement provisionals are most frequently fabricated with which material?

Which of the following would not be a necessary function of a posterior provisional restoration?

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

Teeth Whitening Materials and Procedures

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

Preventive and Corrective Oral Appliances

Filters

Exam 18: Provisional Restorations

What is the provisional of choice if an anterior tooth is fractured or badly decayed before the crown preparation process?

Which of the following provisional materials is limited to intracoronal placement?

List and describe the four criteria for provisional coverage.

A/An _____ provisional crown is crimped and contoured at the contact and margins with crimping and contouring pliers.

Match the items with the correct description below. -Finish line

_____ generated during the polymerization of chemical-cured acrylic can potentially damage the pulp or burn soft tissues.

Why are one or two small holes usually placed in the occlusal portion of the preformed celluloid or polymer crown form?

Which of the following is the primary disadvantage of the use of acrylic provisional materials?

If a provisional crown comes off during a time that the dental office is closed,the patient can be instructed to replace it after cleaning the interior of the crown and placing a small amount of _____ into the crown.

Which of the following is the most durable of the preformed crowns?

Which factor,associated with a provisional restoration,is responsible for irritation,inflammation,and recession of the gingiva?

Match the items with the correct description below. -Extracoronal restoration

If the provisional restoration itself is too high,the results may be those associated with:

Which of the following would not occur if the provisional crown does not contact the adjacent teeth?

Cement provisionals are most frequently fabricated with which material?

Which of the following would not be a necessary function of a posterior provisional restoration?

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

Teeth Whitening Materials and Procedures

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

Preventive and Corrective Oral Appliances

Filters