Question 1

Dental restorative materials that are applied,while pliable,to a tooth or teeth and can be adapted,carved,and finished are classified as:

Accepted Answer

A) indirect restorations. 
B) direct restorations. 
C) crowns and bridges. 
D) implants. 
A) indirect restorations. 
B) direct restorations. 
C) crowns and bridges. 
D) implants.

Question 2

In most states,expanded-functions dental assistant duties include:

Accepted Answer

A) placing IRM. 
B) using a high-speed handpiece for cavity preparation. 
C) applying a provisional restoration. 
D) doing both a and c 
A) placing IRM. 
B) using a high-speed handpiece for cavity preparation. 
C) applying a provisional restoration. 
D) doing both a and c

Question 3

Criteria for new restorative materials states that the material must be:

Accepted Answer

A) able to protect the tooth and tissues of the oral cavity. 
B) easily formed and placed restoring comfort, function, and contour. 
C) not capable of irritating tissues or being poisonous. 
D) all of the above. 
A) able to protect the tooth and tissues of the oral cavity. 
B) easily formed and placed restoring comfort, function, and contour. 
C) not capable of irritating tissues or being poisonous. 
D) all of the above.

Question 4

A porcelain casting is chosen over other castings because it:

Accepted Answer

A) has higher strength. 
B) has the ability to match natural tooth structure. 
C) is a good insulator. 
D) is all of the above. 
A) has higher strength. 
B) has the ability to match natural tooth structure. 
C) is a good insulator. 
D) is all of the above.

Question 5

Biting off a piece of taffy is an example of _______ stress.

Accepted Answer

A) compressive 
B) tensile 
C) shear 
D) all of the above 
A) compressive 
B) tensile 
C) shear 
D) all of the above

Question 6

Before they can be marketed,new dental materials must undergo strict evaluation by the:

Accepted Answer

A) FDA. 
B) ADA. 
C) MDA. 
D) ADAA. 
A) FDA. 
B) ADA. 
C) MDA. 
D) ADAA.

Question 7

One difference in the cavity preparation of amalgam versus composite is that:

Accepted Answer

A) more retention is cut into the prep for composite. 
B) amalgam requires the use of a bonding system. 
C) composites are more compatible with most dental materials used for bases. 
D) composites require the use of a bonding system. 
A) more retention is cut into the prep for composite. 
B) amalgam requires the use of a bonding system. 
C) composites are more compatible with most dental materials used for bases. 
D) composites require the use of a bonding system.

Question 8

Intermediate restorative material (IRM)is a:

Accepted Answer

A) zinc polycarboxylate cement. 
B) composite resin. 
C) zinc oxide-eugenol cement. 
D) ceramic. 
A) zinc polycarboxylate cement. 
B) composite resin. 
C) zinc oxide-eugenol cement. 
D) ceramic.

Question 9

Mixing alloy and mercury together to form a mass is called:

Accepted Answer

A) amalgamation. 
B) trituration. 
C) condensing. 
D) both a and b 
A) amalgamation. 
B) trituration. 
C) condensing. 
D) both a and b

Question 10

The purpose of packing the amalgam in the cavity preparation is to _____ it.

Accepted Answer

A) amalgamate. 
B) condense 
C) carve 
D) triturate. 
A) amalgamate. 
B) condense 
C) carve 
D) triturate.

Question 11

An intermediate restorative material should be selected to restore a that tooth has:

Accepted Answer

A) lost a restoration. 
B) a missing cusp. 
C) been prepared for a cast restoration. 
D) been prepared for a porcelain veneer. 
A) lost a restoration. 
B) a missing cusp. 
C) been prepared for a cast restoration. 
D) been prepared for a porcelain veneer.

Exam 43: Restorative and Esthetic Dental Materials

Dental restorative materials that are applied,while pliable,to a tooth or teeth and can be adapted,carved,and finished are classified as:

In most states,expanded-functions dental assistant duties include:

Criteria for new restorative materials states that the material must be:

A porcelain casting is chosen over other castings because it:

Biting off a piece of taffy is an example of _______ stress.

Before they can be marketed,new dental materials must undergo strict evaluation by the:

One difference in the cavity preparation of amalgam versus composite is that:

Intermediate restorative material (IRM)is a:

Mixing alloy and mercury together to form a mass is called:

The purpose of packing the amalgam in the cavity preparation is to _____ it.

An intermediate restorative material should be selected to restore a that tooth has:

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

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

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

Filters