Question 1

Which factor 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. D

Question 2

Properly mixed glass ionomer cement should have a glossy appearance.

Accepted Answer

A) True 
 B)False  True

Question 3

Which type of cement is preferred for cementation of ceramic veneers?

Accepted Answer

A) Zinc phosphate 
B) Polycarboxylate 
C) Glass ionomer 
D) Composite resin 
A) Zinc phosphate 
B) Polycarboxylate 
C) Glass ionomer 
D) Composite resin D

Question 4

Which cement is versatile and the least irritating to the pulp? (Select all that apply.)

Accepted Answer

A) Zinc oxide eugenol cement 
B) Glass ionomer cement 
C) Composite resin cement 
D) Zinc phosphate cement 
E) Polycarboxylate cement 
A) Zinc oxide eugenol cement 
B) Glass ionomer cement 
C) Composite resin cement 
D) Zinc phosphate cement 
E) Polycarboxylate cement

Question 5

How should dental cements be dispensed for mixing?

Accepted Answer

A) Dispense the liquid into the powder. 
B) Dispense the powder first and then the liquid. 
C) Dispense the material prior to beginning the procedure. 
D) Dispense by hold the bottle of liquid at a 45-degree angle to ensure accurate drop size. 
A) Dispense the liquid into the powder. 
B) Dispense the powder first and then the liquid. 
C) Dispense the material prior to beginning the procedure. 
D) Dispense by hold the bottle of liquid at a 45-degree angle to ensure accurate drop size.

Question 6

What would occur if there were a delay between mixing a luting material and placing the indirect restoration?

Accepted Answer

A) Decreased viscosity 
B) Initial set begins 
C) Improved thermal properties 
D) Improved wettability 
A) Decreased viscosity 
B) Initial set begins 
C) Improved thermal properties 
D) Improved wettability

Question 7

Which technique will help to dissipate heat when mixing zinc phosphate cement?

Accepted Answer

A) Mix on a cool glass slab. 
B) Add large increments of powder. 
C) Spatulate over a small area of the slab. 
D) Mix quickly. 
A) Mix on a cool glass slab. 
B) Add large increments of powder. 
C) Spatulate over a small area of the slab. 
D) Mix quickly.

Question 8

Which type of glass ionomer cement is used to cement orthodontic appliances?

Accepted Answer

A) I 
B) II 
C) III 
D) I, II, or III 
A) I 
B) II 
C) III 
D) I, II, or III

Question 9

Which type of glass ionomer cement is designed for restoring areas of erosion near the gingiva?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 10

Which of the following is true regarding zinc phosphate cement?

Accepted Answer

A) Mix on a cool glass slab. 
B) Add large increments of powder. 
C) Spatulate over a small area of the slab. 
D) Mix quickly. 
A) Mix on a cool glass slab. 
B) Add large increments of powder. 
C) Spatulate over a small area of the slab. 
D) Mix quickly.

Question 11

Which cement is the most acidic and irritating to the pulp?

Accepted Answer

A) Zinc phosphate 
B) ZOE 
C) Composite resin 
D) Glass ionomer 
A) Zinc phosphate 
B) ZOE 
C) Composite resin 
D) Glass ionomer

Question 12

How should glass ionomer cement be mixed to increase the working time?

Accepted Answer

A) Quickly 
B) Slowly 
C) On a glass slab 
D) On a paper pad 
A) Quickly 
B) Slowly 
C) On a glass slab 
D) On a paper pad

Question 13

Which method would not be used to remove excess cement from an indirect restoration?

Accepted Answer

A) Use an explorer. 
B) Use a firm fulcrum. 
C) Move instruments in a horizontal direction. 
D) Pull excess cement down away from the casting. 
A) Use an explorer. 
B) Use a firm fulcrum. 
C) Move instruments in a horizontal direction. 
D) Pull excess cement down away from the casting.

Question 14

When composite resin cement is used,how should the tooth surface be prepared?

Accepted Answer

A) Free of all plaque and debris 
B) Etched or treated with a bonding system 
C) Sprayed with water before cementation 
D) Both a and b 
A) Free of all plaque and debris 
B) Etched or treated with a bonding system 
C) Sprayed with water before cementation 
D) Both a and b

Question 15

Which type(s)of cements can be light-cured?

Accepted Answer

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

Question 16

Which cement that gives off an exothermic reaction and must be speculated over a wide area on a cool,dry,thick glass slab?

Accepted Answer

A) Zinc oxide eugenol 
B) Polycarboxylate 
C) Zinc phosphate 
D) Composite resin 
A) Zinc oxide eugenol 
B) Polycarboxylate 
C) Zinc phosphate 
D) Composite resin

Question 17

Which statement is incorrect as it relates to preparing a tooth for a composite restoration?

Accepted Answer

A) Rinse for 30 seconds. 
B) Etch enamel and dentin for 15 seconds. 
C) Dentin should be slightly moist. 
D) Dry the enamel and dentin completely. 
A) Rinse for 30 seconds. 
B) Etch enamel and dentin for 15 seconds. 
C) Dentin should be slightly moist. 
D) Dry the enamel and dentin completely.

Question 18

Which item listed would not use luting cement for placement?

Accepted Answer

A) Laminate veneers 
B) Orthodontic fixed appliances 
C) Direct provisional restorations 
D) Indirect restorations 
A) Laminate veneers 
B) Orthodontic fixed appliances 
C) Direct provisional restorations 
D) Indirect restorations

Question 19

When working with dental cements,which statement is incorrect regarding minimizing water loss through evaporation?

Accepted Answer

A) Dispense powder first and then liquid. 
B) Dispense the liquid first and then powder. 
C) Dispense liquid when it is time to mix the cement. 
D) Keep the lid on the liquid when not in use. 
A) Dispense powder first and then liquid. 
B) Dispense the liquid first and then powder. 
C) Dispense liquid when it is time to mix the cement. 
D) Keep the lid on the liquid when not in use.

Question 20

How should cement be placed into an indirect restoration for delivery?

Accepted Answer

A) Fill casting until it is overflowing. 
B) Add a thin lining to cover all internal walls of the casting. 
C) Fill to the top margin of the crown. 
D) Add a thin layer on the very bottom of the crown. 
A) Fill casting until it is overflowing. 
B) Add a thin lining to cover all internal walls of the casting. 
C) Fill to the top margin of the crown. 
D) Add a thin layer on the very bottom of the crown.

Exam 45: Dental Cements

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

Properly mixed glass ionomer cement should have a glossy appearance.

Which type of cement is preferred for cementation of ceramic veneers?

Which cement is versatile and the least irritating to the pulp? (Select all that apply.)

How should dental cements be dispensed for mixing?

What would occur if there were a delay between mixing a luting material and placing the indirect restoration?

Which technique will help to dissipate heat when mixing zinc phosphate cement?

Which type of glass ionomer cement is used to cement orthodontic appliances?

Which type of glass ionomer cement is designed for restoring areas of erosion near the gingiva?

Which of the following is true regarding zinc phosphate cement?

Which cement is the most acidic and irritating to the pulp?

How should glass ionomer cement be mixed to increase the working time?

Which method would not be used to remove excess cement from an indirect restoration?

When composite resin cement is used,how should the tooth surface be prepared?

Which type(s)of cements can be light-cured?

Which cement that gives off an exothermic reaction and must be speculated over a wide area on a cool,dry,thick glass slab?

Which statement is incorrect as it relates to preparing a tooth for a composite restoration?

Which item listed would not use luting cement for placement?

When working with dental cements,which statement is incorrect regarding minimizing water loss through evaporation?

How should cement be placed into an indirect restoration for delivery?

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

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