Question 1

All of the following statements are true about the application of etchant material except:

Accepted Answer

A) the tooth must be free of debris. 
B) the tooth must be thoroughly dried. 
C) the etchant gel is placed only where needed. 
D) it is cured for 15 to 30 seconds. 
A) the tooth must be free of debris. 
B) the tooth must be thoroughly dried. 
C) the etchant gel is placed only where needed. 
D) it is cured for 15 to 30 seconds. B

Question 2

Etchant removes the _____ layer in preparation for bonding.

Accepted Answer

A) varnish 
B) cavity liner 
C) smear 
D) sclerosing 
A) varnish 
B) cavity liner 
C) smear 
D) sclerosing C

Question 3

Zinc phosphate cement should be mixed:

Accepted Answer

A) on a cool glass slab. 
B) on a warm glass slab. 
C) on a paper pad. 
D) quickly. 
A) on a cool glass slab. 
B) on a warm glass slab. 
C) on a paper pad. 
D) quickly. A

Question 4

An example of a biological pulpal stimuli is:

Accepted Answer

A) changes from hot and cold coming into contact with the tooth. 
B) traumatic occlusion, which occurs when a person's "bite" does not occlude properly. 
C) acidic materials reaching pulpal tissues. 
D) bacteria from saliva coming into contact with pulpal tissues. 
A) changes from hot and cold coming into contact with the tooth. 
B) traumatic occlusion, which occurs when a person's "bite" does not occlude properly. 
C) acidic materials reaching pulpal tissues. 
D) bacteria from saliva coming into contact with pulpal tissues.

Question 5

An example of enamel bonding is the placement of a:

Accepted Answer

A) dental sealant. 
B) dental varnish. 
C) calcium hydroxide. 
D) dental base. 
A) dental sealant. 
B) dental varnish. 
C) calcium hydroxide. 
D) dental base.

Question 6

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.

Question 7

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

Question 8

When a varnish is used,it is always used before other materials.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following would be the material of choice as an insulating base as well as a sedative base?

Accepted Answer

A) Zinc phosphate 
B) Zinc oxide eugenol 
C) Polycarboxylate 
D) All of the above 
A) Zinc phosphate 
B) Zinc oxide eugenol 
C) Polycarboxylate 
D) All of the above

Question 10

Patients may feel sensitivity after the placement of a restoration:

Accepted Answer

A) immediately. 
B) after a month. 
C) for several months. 
D) at any time. 
A) immediately. 
B) after a month. 
C) for several months. 
D) at any time.

Question 11

Acid etching uses etchant containing _____ acid.

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

A desensitizer could be indicated for which of the following procedures?

Accepted Answer

A) Amalgam restoration 
B) Sealants 
C) Provisional coverage 
D) Fluoride application 
A) Amalgam restoration 
B) Sealants 
C) Provisional coverage 
D) Fluoride application

Question 14

The restorative material indicated for use when decay has extended into or close to the pulp is:

Accepted Answer

A) liner/varnish. 
B) base/desensitizer. 
C) bonding agent. 
D) any of the above. 
A) liner/varnish. 
B) base/desensitizer. 
C) bonding agent. 
D) any of the above.

Question 15

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

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 of the following 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 the above 
A) Zinc oxide-eugenol 
B) Zinc phosphate 
C) Polycarboxylate 
D) Any of the above

Question 19

Which of the following would be the material of choice as an insulating base under a composite restoration?

Accepted Answer

A) Zinc phosphate 
B) Zinc oxide eugenol 
C) Polycarboxylate 
D) Both a and c 
A) Zinc phosphate 
B) Zinc oxide eugenol 
C) Polycarboxylate 
D) Both a and c

Question 20

Dental bonding is also referred to as:

Accepted Answer

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

Exam 44: Dental Liners, Bases, and Bonding Systems

All of the following statements are true about the application of etchant material except:

Etchant removes the _____ layer in preparation for bonding.

Zinc phosphate cement should be mixed:

An example of a biological pulpal stimuli is:

An example of enamel bonding is the placement of a:

ZOE mixed to a base consistency should not be:

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

When a varnish is used,it is always used before other materials.

Which of the following would be the material of choice as an insulating base as well as a sedative base?

Patients may feel sensitivity after the placement of a restoration:

Acid etching uses etchant containing _____ acid.

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

A desensitizer could be indicated for which of the following procedures?

The restorative material indicated for use when decay has extended into or close to the pulp is:

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?

Varnish should be placed:

Which of the following 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?

Which of the following would be the material of choice as an insulating base under a composite restoration?

Dental bonding is also referred to as:

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.