Question 1

Which statement is not true concerning tooth whitening?

Accepted Answer

A) Tooth whitening can be achieved using over-the-counter products. 
B) Tooth whitening is permanent. 
C) Tooth whitening can have some adverse effects on the teeth. 
D) The main ingredient for whitening products is peroxide or a form of peroxide. 
A) Tooth whitening can be achieved using over-the-counter products. 
B) Tooth whitening is permanent. 
C) Tooth whitening can have some adverse effects on the teeth. 
D) The main ingredient for whitening products is peroxide or a form of peroxide. B

Question 2

The purpose of a veneer is to ______ teeth.

Accepted Answer

A) improve the appearance of anterior 
B) improve alignment of 
C) close spaces between 
D) all of the above 
A) improve the appearance of anterior 
B) improve alignment of 
C) close spaces between 
D) all of the above D

Question 3

Complete the statement: "When completing a permanent restoration,the dentist should have knowledge of:

Accepted Answer

A) the size and position of the pulp of the tooth." 
B) the crown as it relates to the pulp of the tooth." 
C) where the body of the tooth lies." 
D) the directions of the enamel spindles." 
A) the size and position of the pulp of the tooth." 
B) the crown as it relates to the pulp of the tooth." 
C) where the body of the tooth lies." 
D) the directions of the enamel spindles." A

Question 4

______ form of cavity preparation is when the dentist determines the primary shape and placement of cavity walls.

Accepted Answer

A) Outline 
B) Resistance 
C) Retention 
D) Convenience 
A) Outline 
B) Resistance 
C) Retention 
D) Convenience

Question 5

The internal surface of a cavity preparation is the:

Accepted Answer

A) axial wall. 
B) cavity wall. 
C) pulpal wall. 
D) line angle. 
A) axial wall. 
B) cavity wall. 
C) pulpal wall. 
D) line angle.

Question 6

During a class III restoration,the dentist will enter the tooth from the _____ surface to minimize the size of the restoration.

Accepted Answer

A) mesial 
B) distal 
C) lingual 
D) facial 
A) mesial 
B) distal 
C) lingual 
D) facial

Question 7

Class II restorations are found on:

Accepted Answer

A) anterior teeth. 
B) posterior teeth. 
C) canines. 
D) incisors. 
A) anterior teeth. 
B) posterior teeth. 
C) canines. 
D) incisors.

Question 8

A temporary restoration that can be placed in any tooth or surface for a short period of time is also known as a(an) _________ restoration.

Accepted Answer

A) intermediate 
B) permanent 
C) conservative 
D) comprehensive 
A) intermediate 
B) permanent 
C) conservative 
D) comprehensive

Question 9

A comprehensive class II restoration may involve as many as _____ surfaces of a tooth.

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 10

Brush-on whitening:

Accepted Answer

A) can cause blotches on the teeth if not used properly. 
B) is as effective as other tooth-whitening methods. 
C) is inhibited by saliva. 
D) both a and c. 
A) can cause blotches on the teeth if not used properly. 
B) is as effective as other tooth-whitening methods. 
C) is inhibited by saliva. 
D) both a and c.

Question 11

A veneer is applied to the _____ surface of a prepared tooth.

Accepted Answer

A) incisal 
B) facial 
C) mesial 
D) distal 
A) incisal 
B) facial 
C) mesial 
D) distal

Question 12

A class I restoration involves ___ tooth surface(s).

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 13

Class III restorations involve the interproximal surfaces of _____ and _____.

Accepted Answer

A) incisors; canines 
B) canines; premolars 
C) premolars; molars 
D) incisors; premolars 
A) incisors; canines 
B) canines; premolars 
C) premolars; molars 
D) incisors; premolars

Question 14

An example of a restorative dental procedure is a(n):

Accepted Answer

A) veneer. 
B) teeth bleaching. 
C) amalgam. 
D) cavity. 
A) veneer. 
B) teeth bleaching. 
C) amalgam. 
D) cavity.

Question 15

Which of the following is not an expanded function for a dental assistant?

Accepted Answer

A) Place a base and cavity liner. 
B) Retract the patient's cheek as necessary. 
C) Place matrix band and wedge. 
D) Place a bonding agent. 
A) Place a base and cavity liner. 
B) Retract the patient's cheek as necessary. 
C) Place matrix band and wedge. 
D) Place a bonding agent.

Question 16

One of the most important considerations when a dentist is restoring a class V is the:

Accepted Answer

A) size of the lesion. 
B) nearness of the lesion to the gingiva. 
C) type of material the dentist will use. 
D) placement of the gingival cord. 
A) size of the lesion. 
B) nearness of the lesion to the gingiva. 
C) type of material the dentist will use. 
D) placement of the gingival cord.

Question 17

Which of the following statements is true of retention pins?

Accepted Answer

A) In general, three pins are inserted to replace each missing cusp. 
B) The retention pin has deep threads that grip the dentin when screwed into tooth structure. 
C) Pins are always 0.023 mm in diameter and extend 2 mm into tooth structure. 
D) Pins are placed into the root canal of the tooth. 
A) In general, three pins are inserted to replace each missing cusp. 
B) The retention pin has deep threads that grip the dentin when screwed into tooth structure. 
C) Pins are always 0.023 mm in diameter and extend 2 mm into tooth structure. 
D) Pins are placed into the root canal of the tooth.

Question 18

The fastest way to whiten teeth is:

Accepted Answer

A) in-office treatment. 
B) at-home treatment. 
C) brush-on whitening methods. 
D) using trays with bleaching gel. 
A) in-office treatment. 
B) at-home treatment. 
C) brush-on whitening methods. 
D) using trays with bleaching gel.

Question 19

The pulpal floor is also known as the _____ wall.

Accepted Answer

A) enamel 
B) dentinal 
C) external 
D) pulpal 
A) enamel 
B) dentinal 
C) external 
D) pulpal

Question 20

The dental assistant's responsibilities in a restorative procedure include:

Accepted Answer

A) evaluating the tooth to be restored. 
B) administering local anesthesia. 
C) determining the type of dental materials to be used. 
D) preparing, mixing, and transferring dental materials. 
A) evaluating the tooth to be restored. 
B) administering local anesthesia. 
C) determining the type of dental materials to be used. 
D) preparing, mixing, and transferring dental materials.

Exam 48: General Dentistry

Which statement is not true concerning tooth whitening?

The purpose of a veneer is to ______ teeth.

Complete the statement: "When completing a permanent restoration,the dentist should have knowledge of:

______ form of cavity preparation is when the dentist determines the primary shape and placement of cavity walls.

The internal surface of a cavity preparation is the:

During a class III restoration,the dentist will enter the tooth from the _____ surface to minimize the size of the restoration.

Class II restorations are found on:

A temporary restoration that can be placed in any tooth or surface for a short period of time is also known as a(an) _________ restoration.

A comprehensive class II restoration may involve as many as _____ surfaces of a tooth.

Brush-on whitening:

A veneer is applied to the _____ surface of a prepared tooth.

A class I restoration involves ___ tooth surface(s).

Class III restorations involve the interproximal surfaces of _____ and _____.

An example of a restorative dental procedure is a(n):

Which of the following is not an expanded function for a dental assistant?

One of the most important considerations when a dentist is restoring a class V is the:

Which of the following statements is true of retention pins?

The fastest way to whiten teeth is:

The pulpal floor is also known as the _____ wall.

The dental assistant's responsibilities in a restorative procedure include:

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

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

Class III restorations involve the interproximal surfaces of _ and _.