Question 1

Which material could be used for a core buildup?

Accepted Answer

A) Self-curing composite material 
B) Reinforced glass ionomer cement 
C) Amalgam 
D) Any of the above 
A) Self-curing composite material 
B) Reinforced glass ionomer cement 
C) Amalgam 
D) Any of the above D

Question 2

Which statement best defines the qualifications of a prosthodontist?

Accepted Answer

A) A dentist who is dedicated to restoring and replacing teeth focusing on fixed or removable prosthodontics. 
B) Has received an additional 3 years of training in a program accredited by the American Dental Association. 
C) A general dentist who works mostly with crowns, inlays, onlays, and bridges. 
D) Both a and b are correct statements. 
A) A dentist who is dedicated to restoring and replacing teeth focusing on fixed or removable prosthodontics. 
B) Has received an additional 3 years of training in a program accredited by the American Dental Association. 
C) A general dentist who works mostly with crowns, inlays, onlays, and bridges. 
D) Both a and b are correct statements. D

Question 3

When one or more teeth are missing from the same arch,which permanent restoration is recommended?

Accepted Answer

A) Partial denture 
B) Fixed bridge 
C) Porcelain-fused-to-metal crown 
D) Denture 
A) Partial denture 
B) Fixed bridge 
C) Porcelain-fused-to-metal crown 
D) Denture B

Question 4

Which statement is incorrect about retention pins?

Accepted Answer

A) Retention pins may be necessary to add strength to the core buildup. 
B) The location of the pulp determines the exact location of the placement of the pins. 
C) Retention pins can be used only if the tooth has been treated endodontically. 
D) The type of crown being fabricated is a determining factor for the placement of the pins. 
A) Retention pins may be necessary to add strength to the core buildup. 
B) The location of the pulp determines the exact location of the placement of the pins. 
C) Retention pins can be used only if the tooth has been treated endodontically. 
D) The type of crown being fabricated is a determining factor for the placement of the pins.

Question 5

Which statement best represents an important step in the construction and placement of veneers?

Accepted Answer

A) Make a provisional to be worn while the veneer is being made. 
B) Match the tooth color of the veneer to the adjacent teeth. 
C) Ensure that the veneer is thick enough obscure any underlying colors. 
D) Make the cement used a shade darker than the veneer. 
A) Make a provisional to be worn while the veneer is being made. 
B) Match the tooth color of the veneer to the adjacent teeth. 
C) Ensure that the veneer is thick enough obscure any underlying colors. 
D) Make the cement used a shade darker than the veneer.

Question 6

What is the name for a crown that is covered in a thin layer of porcelain?

Accepted Answer

A) Porcelain jacket crown 
B) Porcelain-fused-to-metal crown 
C) Onlay 
D) Three-quarter crown 
A) Porcelain jacket crown 
B) Porcelain-fused-to-metal crown 
C) Onlay 
D) Three-quarter crown

Question 7

A cast post is associated with which statement?

Accepted Answer

A) It is cemented into the pulp canal. 
B) It is used to add height to the core buildup. 
C) It is made from an acrylic pattern by a dental laboratory technician. 
D) Both a and c are correct statements. 
A) It is cemented into the pulp canal. 
B) It is used to add height to the core buildup. 
C) It is made from an acrylic pattern by a dental laboratory technician. 
D) Both a and c are correct statements.

Question 8

What occurs at the final appointment in the crown and bridge process?

Accepted Answer

A) Cementation of a permanent crown 
B) Casting try-in 
C) Choose a shade 
D) Writing the laboratory prescription 
A) Cementation of a permanent crown 
B) Casting try-in 
C) Choose a shade 
D) Writing the laboratory prescription

Question 9

Which of the following statements is correct concerning porcelain veneers?

Accepted Answer

A) Veneers are usually recommended to improve chewing efficiency of posterior teeth. 
B) The color of the finished veneer can be affected by the shade of the underlying tooth structure and by the color of the luting agent. 
C) Porcelain veneers do not involve preparation of tooth structure. 
D) Provisional coverage is required following impressions for porcelain veneers. 
A) Veneers are usually recommended to improve chewing efficiency of posterior teeth. 
B) The color of the finished veneer can be affected by the shade of the underlying tooth structure and by the color of the luting agent. 
C) Porcelain veneers do not involve preparation of tooth structure. 
D) Provisional coverage is required following impressions for porcelain veneers.

Question 10

Which material is placed under a porcelain restoration to mask tooth discoloration?

Accepted Answer

A) Composite resin 
B) Glass ionomer 
C) Opaque liner 
D) Luting agent 
A) Composite resin 
B) Glass ionomer 
C) Opaque liner 
D) Luting agent

Question 11

Why would the operator "blow" a light stream of air onto the placed light-bodied impression material before seating the tray with heavy bodied material?

Accepted Answer

A) It dries the area. 
B) Doing so makes it easier for the operator to see the margins of the preparation. 
C) Doing so makes it easier to set the impression tray. 
D) It thins the material to allow it to flow better within the sulcus and around the margins. 
A) It dries the area. 
B) Doing so makes it easier for the operator to see the margins of the preparation. 
C) Doing so makes it easier to set the impression tray. 
D) It thins the material to allow it to flow better within the sulcus and around the margins.

Question 12

What is the term for each component of a fixed bridge?

Accepted Answer

A) Tooth 
B) Crown 
C) Unit 
D) Core 
A) Tooth 
B) Crown 
C) Unit 
D) Core

Question 13

Which component of a fixed bridge replaces a missing tooth?

Accepted Answer

A) Abutment 
B) Pontic 
C) Unit 
D) Core 
A) Abutment 
B) Pontic 
C) Unit 
D) Core

Question 14

Which of the following is an example of a fixed prosthesis?

Accepted Answer

A) Partial denture 
B) Silver amalgam core 
C) Three-unit bridge 
D) Pin-retained amalgam 
A) Partial denture 
B) Silver amalgam core 
C) Three-unit bridge 
D) Pin-retained amalgam

Question 15

Which type of crown does not cover the entire anatomic portion of the tooth?

Accepted Answer

A) Full 
B) Three-quarter 
C) Porcelain-fused-to-metal 
D) Gold 
A) Full 
B) Three-quarter 
C) Porcelain-fused-to-metal 
D) Gold

Question 16

Which type of retraction cord is contraindicated for patients with a history of cardiovascular disease?

Accepted Answer

A) Plain cord 
B) Cord impregnated with epinephrine 
C) Cord is contraindicated 
D) Infuser is advised 
A) Plain cord 
B) Cord impregnated with epinephrine 
C) Cord is contraindicated 
D) Infuser is advised

Question 17

What is the purpose of a core buildup? (Select all that apply.)

Accepted Answer

A) To allows the crown to be less bulky 
B) To provide a larger area of surface retention for cementation 
C) To replace large areas of missing tooth structure 
D) To opaque out discolored tooth structure 
E) To support the cast crown 
A) To allows the crown to be less bulky 
B) To provide a larger area of surface retention for cementation 
C) To replace large areas of missing tooth structure 
D) To opaque out discolored tooth structure 
E) To support the cast crown

Question 18

Which statement is correct when packing retraction cord?

Accepted Answer

A) It is important to place the retraction cord into the sulcus without damaging the surrounding gingival tissues. 
B) The placement and removal of gingival retraction cord are expanded functions and may be performed by a dental assistant trained in expanded functions. 
C) Generally, the operator removes the cord while the assistant prepares the impression material. 
D) All of the above are correct. 
A) It is important to place the retraction cord into the sulcus without damaging the surrounding gingival tissues. 
B) The placement and removal of gingival retraction cord are expanded functions and may be performed by a dental assistant trained in expanded functions. 
C) Generally, the operator removes the cord while the assistant prepares the impression material. 
D) All of the above are correct.

Question 19

Which items should be included on the laboratory prescription?

Accepted Answer

A) Dentist's name, license number, address, and signature 
B) Type of prosthesis requested 
C) Date when the case is expected back 
D) All of the above 
A) Dentist's name, license number, address, and signature 
B) Type of prosthesis requested 
C) Date when the case is expected back 
D) All of the above

Question 20

Which indirect restoration is minimally invasive and can be used in selected situations,such as a replacement for a congenitally missing lateral incisor? (Select all that apply.)

Accepted Answer

A) A resin-bonded bridge 
B) A Maryland bridge 
C) A crown 
D) A 3-unit fixed bridge 
E) An implant 
A) A resin-bonded bridge 
B) A Maryland bridge 
C) A crown 
D) A 3-unit fixed bridge 
E) An implant

Exam 50: Fixed Prosthodontics

Which material could be used for a core buildup?

Which statement best defines the qualifications of a prosthodontist?

When one or more teeth are missing from the same arch,which permanent restoration is recommended?

Which statement is incorrect about retention pins?

Which statement best represents an important step in the construction and placement of veneers?

What is the name for a crown that is covered in a thin layer of porcelain?

A cast post is associated with which statement?

What occurs at the final appointment in the crown and bridge process?

Which of the following statements is correct concerning porcelain veneers?

Which material is placed under a porcelain restoration to mask tooth discoloration?

Why would the operator "blow" a light stream of air onto the placed light-bodied impression material before seating the tray with heavy bodied material?

What is the term for each component of a fixed bridge?

Which component of a fixed bridge replaces a missing tooth?

Which of the following is an example of a fixed prosthesis?

Which type of crown does not cover the entire anatomic portion of the tooth?

Which type of retraction cord is contraindicated for patients with a history of cardiovascular disease?

What is the purpose of a core buildup? (Select all that apply.)

Which statement is correct when packing retraction cord?

Which items should be included on the laboratory prescription?

Which indirect restoration is minimally invasive and can be used in selected situations,such as a replacement for a congenitally missing lateral incisor? (Select all that apply.)

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics