Question 1

A _____ 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 2

An indication for prescribing fixed prosthodontics is that:

Accepted Answer

A) the patient wants it. 
B) one or two adjacent teeth are missing in the mouth. 
C) supportive teeth are healthy. 
D) all of the above. 
A) the patient wants it. 
B) one or two adjacent teeth are missing in the mouth. 
C) supportive teeth are healthy. 
D) all of the above.

Question 3

Which statement is true of a fixed bridge?

Accepted Answer

A) There are at least two abutment teeth in a fixed bridge. 
B) The fixed bridge is described by the number of units involved. 
C) A fixed bridge consists of at least one abutment and one pontic. 
D) Both b and c are true statements. 
A) There are at least two abutment teeth in a fixed bridge. 
B) The fixed bridge is described by the number of units involved. 
C) A fixed bridge consists of at least one abutment and one pontic. 
D) Both b and c are true statements.

Question 4

When assisting with the final impression in a crown and bridge preparation,the operator may "blow" around the light-bodied impression material before inserting the heavy-bodied material.The purpose of this procedure is to:

Accepted Answer

A) dry the area off. 
B) make it easier for the operator to see the margins of the preparation. 
C) make it easier to set the impression tray. 
D) thin out the material to allow it to flow better within the sulcus and around the margins. 
A) dry the area off. 
B) make it easier for the operator to see the margins of the preparation. 
C) make it easier to set the impression tray. 
D) thin out the material to allow it to flow better within the sulcus and around the margins.

Question 5

A Maryland bridge is held in place by:

Accepted Answer

A) abutments on either side of the pontic. 
B) wing-like extensions bonded onto the lingual surfaces of the adjacent teeth. 
C) clasps that are attached to the adjacent teeth. 
D) shoulders that extend to the adjacent teeth. 
A) abutments on either side of the pontic. 
B) wing-like extensions bonded onto the lingual surfaces of the adjacent teeth. 
C) clasps that are attached to the adjacent teeth. 
D) shoulders that extend to the adjacent teeth.

Question 6

The metal of choice for inlay and onlay cast restorations is:

Accepted Answer

A) porcelain. 
B) ceramics. 
C) gold. 
D) amalgam. 
A) porcelain. 
B) ceramics. 
C) gold. 
D) amalgam.

Question 7

If a patient has a medical history of cardiovascular disease,the use of:

Accepted Answer

A) plain cords is advised. 
B) cords impregnated with epinephrine is contraindicated. 
C) cords is contraindicated and an alternative method is advised. 
D) an infuser is advised. 
A) plain cords is advised. 
B) cords impregnated with epinephrine is contraindicated. 
C) cords is contraindicated and an alternative method is advised. 
D) an infuser is advised.

Question 8

Materials used for a core buildup include:

Accepted Answer

A) self-curing composite material. 
B) reinforced glass ionomer cement. 
C) amalgam. 
D) any of the above may be used. 
A) self-curing composite material. 
B) reinforced glass ionomer cement. 
C) amalgam. 
D) any of the above may be used.

Question 9

A cast post is:

Accepted Answer

A) cemented into the pulp canal. 
B) made from an acrylic pattern by a dental laboratory technician. 
C) both a and b. 
D) used to add height to the core buildup. 
A) cemented into the pulp canal. 
B) made from an acrylic pattern by a dental laboratory technician. 
C) both a and b. 
D) used to add height to the core buildup.

Question 10

The final appointment in the crown and bridge process involves:

Accepted Answer

A) cementation of a permanent crown. 
B) try-in of the casting. 
C) picking a shade. 
D) writing the laboratory prescription. 
A) cementation of a permanent crown. 
B) try-in of the casting. 
C) picking a shade. 
D) writing the laboratory prescription.

Question 11

The material placed under a porcelain restoration to mask tooth discoloration is a(n):

Accepted Answer

A) pontic. 
B) abutment. 
C) opaque. 
D) luting agent. 
A) pontic. 
B) abutment. 
C) opaque. 
D) luting agent.

Question 12

The component of a fixed bridge that replaces a missing natural tooth is the:

Accepted Answer

A) abutment. 
B) pontic. 
C) unit. 
D) core. 
A) abutment. 
B) pontic. 
C) unit. 
D) core.

Question 13

The device that is used to determine the tooth color for ceramic crowns or bridges is a(n):

Accepted Answer

A) articulator. 
B) chamfer. 
C) shade guide. 
D) infuser. 
A) articulator. 
B) chamfer. 
C) shade guide. 
D) infuser.

Question 14

A prosthodontist:

Accepted Answer

A) is 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) is a general dentist who works a lot with crowns, inlays, onlays, and bridges. 
D) both a and b 
A) is 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) is a general dentist who works a lot with crowns, inlays, onlays, and bridges. 
D) both a and b

Question 15

An indirect restoration:

Accepted Answer

A) is also known as a cast restoration. 
B) is permanent. 
C) can be an inlay, onlay, crown, or bridge. 
D) all of the above. 
A) is also known as a cast restoration. 
B) is permanent. 
C) can be an inlay, onlay, crown, or bridge. 
D) all of the above.

Question 16

A(n) _____ is a cast restoration that is designed to fit snugly within a tooth preparation such as a class II restoration and that covers only a portion of the occlusal and proximal surface.

Accepted Answer

A) onlay 
B) inlay 
C) crown 
D) veneer 
A) onlay 
B) inlay 
C) crown 
D) veneer

Exam 50: Fixed Prosthodontics

A _____ crown does not cover the entire anatomic portion of the tooth.

An indication for prescribing fixed prosthodontics is that:

Which statement is true of a fixed bridge?

When assisting with the final impression in a crown and bridge preparation,the operator may "blow" around the light-bodied impression material before inserting the heavy-bodied material.The purpose of this procedure is to:

A Maryland bridge is held in place by:

The metal of choice for inlay and onlay cast restorations is:

If a patient has a medical history of cardiovascular disease,the use of:

Materials used for a core buildup include:

A cast post is:

The final appointment in the crown and bridge process involves:

The material placed under a porcelain restoration to mask tooth discoloration is a(n):

The component of a fixed bridge that replaces a missing natural tooth is the:

The device that is used to determine the tooth color for ceramic crowns or bridges is a(n):

A prosthodontist:

An indirect restoration:

A(n) _____ is a cast restoration that is designed to fit snugly within a tooth preparation such as a class II restoration and that covers only a portion of the occlusal and proximal surface.

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

Communication in the Dental Office

Business Operating Systems

Financial Management in the Dental Office

Marketing Your Skills