Question 1

A _______ appearance assures a tooth has been properly etched.

Accepted Answer

A) shiny 
B) pitted 
C) frosted appearance 
D) none of the above 
A) shiny 
B) pitted 
C) frosted appearance 
D) none of the above C

Question 2

Bonding agents or adhesives:

Accepted Answer

A) can be light-cured. 
B) must be used after etching. 
C) are available as self-cured. 
D) all of the above. 
A) can be light-cured. 
B) must be used after etching. 
C) are available as self-cured. 
D) all of the above. D

Question 3

ZOE mixed to a base consistency should not be:

Accepted Answer

A) thick and putty-like. 
B) rolled into a one large ball. 
C) placed to cover the entire pulpal floor. 
D) tapped lightly into the preparation with a condenser. 
A) thick and putty-like. 
B) rolled into a one large ball. 
C) placed to cover the entire pulpal floor. 
D) tapped lightly into the preparation with a condenser. B

Question 4

Dental varnish is used in the cavity preparation to:

Accepted Answer

A) seal dentinal tubules. 
B) reduce leakage around a restoration. 
C) stimulate growth of reparative dentin. 
D)  both a and b. 
A) seal dentinal tubules. 
B) reduce leakage around a restoration. 
C) stimulate growth of reparative dentin. 
D)  both a and b.

Question 5

Materials that are versatile in their uses,such as for specialized dental bases,include:

Accepted Answer

A) dental cements. 
B) dental varnishes. 
C) dental liners. 
D) calcium hydroxide. 
A) dental cements. 
B) dental varnishes. 
C) dental liners. 
D) calcium hydroxide.

Question 6

Desensitizer should be placed:

Accepted Answer

A) after thoroughly drying the tooth. 
B) on enamel only. 
C) and dried immediately. 
D) after rinsing and lightly drying. 
A) after thoroughly drying the tooth. 
B) on enamel only. 
C) and dried immediately. 
D) after rinsing and lightly drying.

Question 7

Insulating base material should cover the entire _______ to a thickness of _____ mm.

Accepted Answer

A) cavity preparation; 1-2 
B) pulpal floor; 1-2 
C) cavity preparation; 2-3 
D) pulpal floor; 3-4 
A) cavity preparation; 1-2 
B) pulpal floor; 1-2 
C) cavity preparation; 2-3 
D) pulpal floor; 3-4

Question 8

Etching for dental bonding is done with:

Accepted Answer

A) phosphoric acid. 
B) ammonia. 
C) isopropyl alcohol. 
D) hydrogen peroxide. 
A) phosphoric acid. 
B) ammonia. 
C) isopropyl alcohol. 
D) hydrogen peroxide.

Question 9

Calcium hydroxide:

Accepted Answer

A) cannot be placed under direct composite resins because it will inhibit polymerization. 
B) stimulates the production of reparative dentin. 
C) functions as a thick base to support extensive restorations. 
D) consists of a resin in an organic solvent. 
A) cannot be placed under direct composite resins because it will inhibit polymerization. 
B) stimulates the production of reparative dentin. 
C) functions as a thick base to support extensive restorations. 
D) consists of a resin in an organic solvent.

Question 10

Varnish should be placed on the ______ of the preparation.

Accepted Answer

A) walls 
B) floor 
C) margins 
D) all of the above 
A) walls 
B) floor 
C) margins 
D) all of the above

Question 11

Dental bonding is also referred to as a:

Accepted Answer

A) dental adhesion. 
B) dental liner. 
C) desensitizer. 
D) none of the above. 
A) dental adhesion. 
B) dental liner. 
C) desensitizer. 
D) none of the above.

Question 12

Which of the following is not true of the process of removing the smear layer in dentin bonding?

Accepted Answer

A) During preparation, thousands of dentin tubules are cut. 
B) Open ends of dentin tubules lead to sensitivity. 
C) All moisture must be removed to assist in adhesion. 
D) Completely drying the tooth structure will harm the tooth. 
A) During preparation, thousands of dentin tubules are cut. 
B) Open ends of dentin tubules lead to sensitivity. 
C) All moisture must be removed to assist in adhesion. 
D) Completely drying the tooth structure will harm the tooth.

Question 13

What is true of the bonding process?

Accepted Answer

A) It can be performed on only the dentin. 
B) Contamination will not hinder the bond. 
C) Avoid overdrying or desiccating the tooth; the product works best on a slightly moist tooth structure. 
D) Using a small amount of bonding material is better than using too much. 
A) It can be performed on only the dentin. 
B) Contamination will not hinder the bond. 
C) Avoid overdrying or desiccating the tooth; the product works best on a slightly moist tooth structure. 
D) Using a small amount of bonding material is better than using too much.

Question 14

You are asked to select a protective base for insulation that is nonirritating under a composite restoration.Which would you select?

Accepted Answer

A) Zinc oxide-eugenol 
B) Zinc phosphate 
C) Polycarboxylate 
D) Any of these 
A) Zinc oxide-eugenol 
B) Zinc phosphate 
C) Polycarboxylate 
D) Any of these

Question 15

Patients may feel sensitivity _______ after the placement of a restoration.

Accepted Answer

A) immediately 
B) after a month 
C) several months 
D) sensitivity may develop at any time 
A) immediately 
B) after a month 
C) several months 
D) sensitivity may develop at any time

Question 16

Varnish should be placed:

Accepted Answer

A) in one thick layer. 
B) in two light coats. 
C) before a sedative base. 
D) none of the above. 
A) in one thick layer. 
B) in two light coats. 
C) before a sedative base. 
D) none of the above.

Question 17

Which is not a use of fluoride varnish?

Accepted Answer

A) Treatment of hypersensitive cervical areas 
B) Dentin sealant 
C) Luting agent 
D) Topical fluoride application 
A) Treatment of hypersensitive cervical areas 
B) Dentin sealant 
C) Luting agent 
D) Topical fluoride application

Question 18

You are asked to select a base for a deep cavity preparation because of extensive decay.Which would you select?

Accepted Answer

A) Zinc oxide-eugenol 
B) Zinc phosphate 
C) Polycarboxylate 
D) Any of these 
A) Zinc oxide-eugenol 
B) Zinc phosphate 
C) Polycarboxylate 
D) Any of these

Question 19

Acid etching utilizes etchant containing _____ acid.

Accepted Answer

A) sulfuric 
B) hydrochloric 
C) phosphoric 
D) citric 
A) sulfuric 
B) hydrochloric 
C) phosphoric 
D) citric

Question 20

Thermal changes from hot,cold,or electrical energy created by other metals coming into contact with the tooth are defined as which type of pulpal stimuli?

Accepted Answer

A) Biological 
B) Mechanical 
C) Physical 
D) Chemical 
A) Biological 
B) Mechanical 
C) Physical 
D) Chemical

Exam 44: Dental Liners, Bases, and Bonding Systems

A _______ appearance assures a tooth has been properly etched.

Bonding agents or adhesives:

ZOE mixed to a base consistency should not be:

Dental varnish is used in the cavity preparation to:

Materials that are versatile in their uses,such as for specialized dental bases,include:

Desensitizer should be placed:

Insulating base material should cover the entire _______ to a thickness of _____ mm.

Etching for dental bonding is done with:

Calcium hydroxide:

Varnish should be placed on the ______ of the preparation.

Dental bonding is also referred to as a:

Which of the following is not true of the process of removing the smear layer in dentin bonding?

What is true of the bonding process?

You are asked to select a protective base for insulation that is nonirritating under a composite restoration.Which would you select?

Patients may feel sensitivity _______ after the placement of a restoration.

Varnish should be placed:

Which is not a use of fluoride varnish?

You are asked to select a base for a deep cavity preparation because of extensive decay.Which would you select?

Acid etching utilizes etchant containing _____ acid.

Thermal changes from hot,cold,or electrical energy created by other metals coming into contact with the tooth are defined as which type of pulpal stimuli?

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 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

Insulating base material should cover the entire ___ to a thickness of _ mm.