Question 1

Tooth whitening or vital bleaching is not indicated for a dental patient when the patient presents with:

Accepted Answer

A) severe tetracycline and fluorosis stains. 
B) extrinsic stains from foods, cigarette smoking, coffee, or tea. 
C) aged teeth. 
D) intrinsic stains, such as mild tetracycline stains or mild fluorosis. 
A) severe tetracycline and fluorosis stains. 
B) extrinsic stains from foods, cigarette smoking, coffee, or tea. 
C) aged teeth. 
D) intrinsic stains, such as mild tetracycline stains or mild fluorosis.

Question 2

Which statement is true?

Accepted Answer

A) If loss of tooth structure becomes greater than the remaining tooth structure, the tooth is nonrestorable. 
B) When using retention pins, one pin is placed for each missing cusp. 
C) Retention pins are screwed into the pulp of the tooth for greater support. 
D) Retention pins are available in varying lengths and types of metals. 
A) If loss of tooth structure becomes greater than the remaining tooth structure, the tooth is nonrestorable. 
B) When using retention pins, one pin is placed for each missing cusp. 
C) Retention pins are screwed into the pulp of the tooth for greater support. 
D) Retention pins are available in varying lengths and types of metals.

Question 3

When one or both of the proximal surfaces are removed during a restoration,there is no support to hold the material in place,so a _______ must be used to replace these walls during the procedure.

Accepted Answer

A) cavity wall 
B) line angle 
C) resistance form 
D) matrix system 
A) cavity wall 
B) line angle 
C) resistance form 
D) matrix system

Question 4

An example of esthetic dentistry includes:

Accepted Answer

A) veneer. 
B) teeth bleaching. 
C) dentures. 
D) both a and b. 
A) veneer. 
B) teeth bleaching. 
C) dentures. 
D) both a and b.

Question 5

Which of the following statements is true?

Accepted Answer

A) The class V restoration is defined as a pit and fissure restoration. 
B) The class V lesion occurs on the incisal third of the facial and lingual surface of any tooth. 
C) The class V lesion is prepared by having a smooth surface outline with angles. 
D) The class V lesion location will determine the type of restorative material selected. 
A) The class V restoration is defined as a pit and fissure restoration. 
B) The class V lesion occurs on the incisal third of the facial and lingual surface of any tooth. 
C) The class V lesion is prepared by having a smooth surface outline with angles. 
D) The class V lesion location will determine the type of restorative material selected.

Question 6

During a class III or IV restoration,the dentist may use a _________ to help reproduce the correct contours and contact.

Accepted Answer

A) Tofflemire matrix system 
B) Mylar matrix system 
C) universal matrix system 
D) gingival retraction cord 
A) Tofflemire matrix system 
B) Mylar matrix system 
C) universal matrix system 
D) gingival retraction cord

Question 7

The dental assistant's role during a permanent restorative procedure is to:

Accepted Answer

A) determine the types of materials to be used for the restoration. 
B) provide moisture control by using the high-velocity suction. 
C) check occlusion of the restoration. 
D) administer local anesthetic. 
A) determine the types of materials to be used for the restoration. 
B) provide moisture control by using the high-velocity suction. 
C) check occlusion of the restoration. 
D) administer local anesthetic.

Question 8

Operative dentistry is the primary responsibility of the:

Accepted Answer

A) oral surgeon. 
B) periodontist. 
C) general dentist. 
D) endodontist. 
A) oral surgeon. 
B) periodontist. 
C) general dentist. 
D) endodontist.

Question 9

Usually _____ material is selected for the permanent restoration of a class I lesion.

Accepted Answer

A) composite 
B) amalgam 
C) veneer 
D) crown 
A) composite 
B) amalgam 
C) veneer 
D) crown

Question 10

The usual material of choice for class III and class IV restorations is:

Accepted Answer

A) composite resin. 
B) amalgam. 
C) glass ionomer. 
D) ceramic. 
A) composite resin. 
B) amalgam. 
C) glass ionomer. 
D) ceramic.

Question 11

Which statement is not true concerning veneers?

Accepted Answer

A) Veneers have an unlimited lifespan. 
B) Veneers may discolor, wear, or chip over a period of time. 
C) Good oral hygiene is essential to keep the margins free of plaque and decay. 
D) Veneers can be cracked by biting into hard surfaces such as ice. 
A) Veneers have an unlimited lifespan. 
B) Veneers may discolor, wear, or chip over a period of time. 
C) Good oral hygiene is essential to keep the margins free of plaque and decay. 
D) Veneers can be cracked by biting into hard surfaces such as ice.

Question 12

A step in the final cavity preparation is:

Accepted Answer

A) placing retention forms. 
B) designing the cavity walls. 
C) placing a desensitizing or lining agent. 
D) placing the intermediate restorative material. 
A) placing retention forms. 
B) designing the cavity walls. 
C) placing a desensitizing or lining agent. 
D) placing the intermediate restorative material.

Question 13

Esthetic dentistry is primarily devoted to improving the appearance of teeth,by either restoring imperfections with direct and indirect restorative materials,or with the use of:

Accepted Answer

A) whitening techniques. 
B) endodontic therapy. 
C) stainless steel crowns. 
D) silver amalgam. 
A) whitening techniques. 
B) endodontic therapy. 
C) stainless steel crowns. 
D) silver amalgam.

Question 14

Decay that involves the lingual pit of a maxillary incisor is a class:

Accepted Answer

A) V. 
B) II. 
C) CHOICE BLANK 
D) IV. 
E) cHOICE BLANK 
A) V. 
B) II. 
C) CHOICE BLANK 
D) IV. 
E) cHOICE BLANK

Question 15

Lesions of class V decay usually occur on the ____ third of the smooth surface of a tooth.

Accepted Answer

A) gingival 
B) occlusal 
C) incisal 
D) facial 
A) gingival 
B) occlusal 
C) incisal 
D) facial

Exam 48: General Dentistry

Tooth whitening or vital bleaching is not indicated for a dental patient when the patient presents with:

Which statement is true?

When one or both of the proximal surfaces are removed during a restoration,there is no support to hold the material in place,so a _______ must be used to replace these walls during the procedure.

An example of esthetic dentistry includes:

Which of the following statements is true?

During a class III or IV restoration,the dentist may use a _________ to help reproduce the correct contours and contact.

The dental assistant's role during a permanent restorative procedure is to:

Operative dentistry is the primary responsibility of the:

Usually _____ material is selected for the permanent restoration of a class I lesion.

The usual material of choice for class III and class IV restorations is:

Which statement is not true concerning veneers?

A step in the final cavity preparation is:

Esthetic dentistry is primarily devoted to improving the appearance of teeth,by either restoring imperfections with direct and indirect restorative materials,or with the use of:

Decay that involves the lingual pit of a maxillary incisor is a class:

Lesions of class V decay usually occur on the ____ third of the smooth surface of a tooth.

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

Communication in the Dental Office

Business Operating Systems

Financial Management in the Dental Office

Marketing Your Skills

Filters