Question 1

A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface.

Accepted Answer

A) does; is 
B) does; is not 
C) does not; is 
D) does not; is not 
A) does; is 
B) does; is not 
C) does not; is 
D) does not; is not

Question 2

Corrosion of metal restorative materials:

Accepted Answer

A) is a reaction that occurs when metal is exposed to products such as temperature, humidity, and saline. 
B) is easily removed with polishing agents. 
C) is both a and b 
D) does not occur. 
A) is a reaction that occurs when metal is exposed to products such as temperature, humidity, and saline. 
B) is easily removed with polishing agents. 
C) is both a and b 
D) does not occur.

Question 3

________ occurs when a metal restoration is touched by a fork.

Accepted Answer

A) Microleakage 
B) Galvanic action 
C) Sheer stress 
D) Corrosion 
A) Microleakage 
B) Galvanic action 
C) Sheer stress 
D) Corrosion

Question 4

The instrument used to smooth the amalgam surface is:

Accepted Answer

A) a condenser. 
B) a burnisher. 
C) a carver. 
D) articulating paper. 
A) a condenser. 
B) a burnisher. 
C) a carver. 
D) articulating paper.

Question 5

Which of the following is an advantage to using glass ionomer as a restorative material?

Accepted Answer

A) Glass ionomer has the ability to bind to teeth mechanically, rather than chemically. 
B) Glass ionomer releases fluoride after their final setting. 
C) Loss of gloss indicates a proper mix of glass ionomer material. 
D) There is no need to avoid contact with water during the mixing procedure for glass ionomer. 
A) Glass ionomer has the ability to bind to teeth mechanically, rather than chemically. 
B) Glass ionomer releases fluoride after their final setting. 
C) Loss of gloss indicates a proper mix of glass ionomer material. 
D) There is no need to avoid contact with water during the mixing procedure for glass ionomer.

Question 6

To ensure an accurate ratio of alloy and mercury,the best protocol to follow is to:

Accepted Answer

A) use premeasured capsules. 
B) measure accurately. 
C) reuse capsules. 
D) do all of the above. 
A) use premeasured capsules. 
B) measure accurately. 
C) reuse capsules. 
D) do all of the above.

Question 7

All of the following are advantages of amalgam over composite as a restorative material except:

Accepted Answer

A) cost. 
B) moisture control. 
C) esthetics. 
D) strength. 
A) cost. 
B) moisture control. 
C) esthetics. 
D) strength.

Question 8

To adjust the occlusion on a recently place amalgam,the patient should be instructed to bite ______ on the articulating paper.

Accepted Answer

A) firmly 
B) and rotate repeatedly 
C) lightly 
D) and open and close again 
A) firmly 
B) and rotate repeatedly 
C) lightly 
D) and open and close again

Question 9

Retention holds a material in place and seals the structures together.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements is true of the composition of tooth-whitening materials?

Accepted Answer

A) Most tooth-whitening products are made from a bleach (sodium hypochlorite)-based ingredient. 
B) The tooth-whitening solution comes in a single concentration of 37%. 
C) When the product contacts the teeth, it allows oxygen to enter the enamel and dentin, which whitens the colored substances. 
D) The structure of the tooth is altered by whitening materials. 
A) Most tooth-whitening products are made from a bleach (sodium hypochlorite)-based ingredient. 
B) The tooth-whitening solution comes in a single concentration of 37%. 
C) When the product contacts the teeth, it allows oxygen to enter the enamel and dentin, which whitens the colored substances. 
D) The structure of the tooth is altered by whitening materials.

Question 11

The type of ceramic most often used in dentistry for castings is:

Accepted Answer

A) composite resin. 
B) glass ionomer. 
C) zinc oxide-eugenol cement. 
D) porcelain. 
A) composite resin. 
B) glass ionomer. 
C) zinc oxide-eugenol cement. 
D) porcelain.

Question 12

Composite resin materials are supplied in all of the following ways except they:

Accepted Answer

A) are supplied in a lightproof syringe. 
B) require mixing. 
C) are supplied in various shades. 
D) do not require mixing. 
A) are supplied in a lightproof syringe. 
B) require mixing. 
C) are supplied in various shades. 
D) do not require mixing.

Question 13

The dental restorations created in the laboratory by the dental laboratory technician are classified as _____ restorations.

Accepted Answer

A) direct 
B) indirect 
C) provisional 
D) amalgam 
A) direct 
B) indirect 
C) provisional 
D) amalgam

Question 14

The ADA and the National Institute of Health-Nations Administration _____ the use of amalgam as a posterior restorative material.

Accepted Answer

A) discourages 
B) supports 
C) forbids 
D) has no opinion on 
A) discourages 
B) supports 
C) forbids 
D) has no opinion on

Question 15

A(n)_____ is defined as a mixture of two or more metals.

Accepted Answer

A) alloy 
B) amalgam 
C) ceramic 
D) porcelain 
A) alloy 
B) amalgam 
C) ceramic 
D) porcelain

Question 16

For adhesion to take place,_____ film thickness is desired.

Accepted Answer

A) a thick 
B) a thin 
C) a medium 
D) any 
A) a thick 
B) a thin 
C) a medium 
D) any

Question 17

A noble metal used for cast restorations in dentistry is:

Accepted Answer

A) palladium. 
B) iron. 
C) tin. 
D) zinc. 
A) palladium. 
B) iron. 
C) tin. 
D) zinc.

Question 18

Composites can be used for class ___ restorations.

Accepted Answer

A) I, III, and V 
B) I and IV 
C) II, III, and IV 
D) I, II, III, IV, and V 
A) I, III, and V 
B) I and IV 
C) II, III, and IV 
D) I, II, III, IV, and V

Question 19

The curing process in which it is the most critical that the materials are mixed and placed within the working and setting times is with:

Accepted Answer

A) auto-cured materials. 
B) light-cured materials. 
C) dual-cured materials. 
D) none of the above. 
A) auto-cured materials. 
B) light-cured materials. 
C) dual-cured materials. 
D) none of the above.

Question 20

Which restorative materials are not artistically pleasing?

Accepted Answer

A) Amalgam 
B) Composites 
C) Porcelain 
D) Both a and b 
A) Amalgam 
B) Composites 
C) Porcelain 
D) Both a and b

Exam 43: Restorative and Esthetic Dental Materials

A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface.

Corrosion of metal restorative materials:

________ occurs when a metal restoration is touched by a fork.

The instrument used to smooth the amalgam surface is:

Which of the following is an advantage to using glass ionomer as a restorative material?

To ensure an accurate ratio of alloy and mercury,the best protocol to follow is to:

All of the following are advantages of amalgam over composite as a restorative material except:

To adjust the occlusion on a recently place amalgam,the patient should be instructed to bite ______ on the articulating paper.

Retention holds a material in place and seals the structures together.

Which of the following statements is true of the composition of tooth-whitening materials?

The type of ceramic most often used in dentistry for castings is:

Composite resin materials are supplied in all of the following ways except they:

The dental restorations created in the laboratory by the dental laboratory technician are classified as _____ restorations.

The ADA and the National Institute of Health-Nations Administration _____ the use of amalgam as a posterior restorative material.

A(n)_____ is defined as a mixture of two or more metals.

For adhesion to take place,_____ film thickness is desired.

A noble metal used for cast restorations in dentistry is:

Composites can be used for class ___ restorations.

The curing process in which it is the most critical that the materials are mixed and placed within the working and setting times is with:

Which restorative materials are not artistically pleasing?

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

A liquid with high viscosity _ flow easily and _ effective in wetting a surface.