Question 1

The "Guidelines for Mixing Dental Cements" tell you to:

Accepted Answer

A) incorporate each liquid increment into the powder. 
B) dispense the powder first, and then the liquid. 
C) set the material out at the beginning of the procedure. 
D) hold the bottle of liquid at a 45° angle, to ensure consistent-sized drops when dispensing liquid. 
A) incorporate each liquid increment into the powder. 
B) dispense the powder first, and then the liquid. 
C) set the material out at the beginning of the procedure. 
D) hold the bottle of liquid at a 45° angle, to ensure consistent-sized drops when dispensing liquid.

Question 2

The cement that gives off an exothermic reaction and must be spatulated over a wide area of a cool,dry,thick glass slab is:

Accepted Answer

A) zinc oxide-eugenol (ZO
E) . 
B) polycarboxylate. 
C) zinc phosphate. 
D) composite resin. 
A) zinc oxide-eugenol (ZO
E) . 
B) polycarboxylate. 
C) zinc phosphate. 
D) composite resin.

Question 3

Which of the following cement types is(are) the most versatile and the least irritating to the pulp?

Accepted Answer

A) ZOE cement 
B) Glass ionomer cement 
C) Composite resin cement 
D) Both a and b 
A) ZOE cement 
B) Glass ionomer cement 
C) Composite resin cement 
D) Both a and b

Question 4

The provisional should be lined with ZOE cement when being placed for temporary coverage.

Accepted Answer

A) True 
 B)False

Question 5

When removing cement from a casting,never:

Accepted Answer

A) use a explorer. 
B) use a firm fulcrum. 
C) move instruments in a horizontal direction. 
D) pull excess cement down away from the casting. 
A) use a explorer. 
B) use a firm fulcrum. 
C) move instruments in a horizontal direction. 
D) pull excess cement down away from the casting.

Question 6

Which cement inhibits recurrent decay?

Accepted Answer

A) Zinc phosphate 
B) Glass ionomer 
C) Zinc oxide-eugenol 
D) Composite resin 
A) Zinc phosphate 
B) Glass ionomer 
C) Zinc oxide-eugenol 
D) Composite resin

Question 7

Which are factors influencing the cementation procedure?

Accepted Answer

A) Humidity 
B) Temperature 
C) Mixing time 
D) All of the above 
A) Humidity 
B) Temperature 
C) Mixing time 
D) All of the above

Question 8

Which is not an advantage of using glass ionomer in premeasured capsules?

Accepted Answer

A) Consistent results can be produced. 
B) They can be triturated to eliminate mixing. 
C) They are more convenient. 
D) Results can vary. 
A) Consistent results can be produced. 
B) They can be triturated to eliminate mixing. 
C) They are more convenient. 
D) Results can vary.

Question 9

Which of the following is the most important rule to follow when preparing dental cements?

Accepted Answer

A) Working as quickly as possible 
B) Following the manufacturer's instructions 
C) Making the mix as thick as possible 
D) Doing all of the above 
A) Working as quickly as possible 
B) Following the manufacturer's instructions 
C) Making the mix as thick as possible 
D) Doing all of the above

Question 10

Polycarboxylate cement:

Accepted Answer

A) forms a mechanical bond to tooth structure. 
B) is generally used as a temporary sedative cement. 
C) is less irritating to the pulp than zinc phosphate cement. 
D) must be mixed on a glass slab. 
A) forms a mechanical bond to tooth structure. 
B) is generally used as a temporary sedative cement. 
C) is less irritating to the pulp than zinc phosphate cement. 
D) must be mixed on a glass slab.

Question 11

Properly mixed glass ionomer cement should have a glossy appearance.

Accepted Answer

A) True 
 B)False

Question 12

A delay between the final mix and the actual seating of the restoration could result in _____ and the possibility of the casting not fitting completely.

Accepted Answer

A) decreased viscosity 
B) an initial setting process 
C) improved thermal properties of the material 
D) improved flow characteristics 
A) decreased viscosity 
B) an initial setting process 
C) improved thermal properties of the material 
D) improved flow characteristics

Question 13

Temporary cements are used when the dentist:

Accepted Answer

A) is cementing porcelain laminate veneers. 
B) will need to remove the indirect restoration at a later time. 
C) is cementing cast restorations permanently. 
D) restores teeth with silver amalgam restorations. 
A) is cementing porcelain laminate veneers. 
B) will need to remove the indirect restoration at a later time. 
C) is cementing cast restorations permanently. 
D) restores teeth with silver amalgam restorations.

Exam 45: Dental Cements

The "Guidelines for Mixing Dental Cements" tell you to:

The cement that gives off an exothermic reaction and must be spatulated over a wide area of a cool,dry,thick glass slab is:

Which of the following cement types is(are) the most versatile and the least irritating to the pulp?

The provisional should be lined with ZOE cement when being placed for temporary coverage.

When removing cement from a casting,never:

Which cement inhibits recurrent decay?

Which are factors influencing the cementation procedure?

Which is not an advantage of using glass ionomer in premeasured capsules?

Which of the following is the most important rule to follow when preparing dental cements?

Polycarboxylate cement:

Properly mixed glass ionomer cement should have a glossy appearance.

A delay between the final mix and the actual seating of the restoration could result in _____ and the possibility of the casting not fitting completely.

Temporary cements are used when the dentist:

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

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Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

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Provisional Coverage

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Endodontics

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