Question 1

What step(s)should be followed before dispensing cement powder?

Accepted Answer

A) Pack the powder. 
B) Fluff the powder. 
C) Measure the powder. 
D) Do both b and C 
A) Pack the powder. 
B) Fluff the powder. 
C) Measure the powder. 
D) Do both b and C

Question 2

When are temporary cements used?

Accepted Answer

A) Cementing veneers 
B) Placing a provisional crown 
C) Cementing cast restorations 
D) Restoring teeth 
A) Cementing veneers 
B) Placing a provisional crown 
C) Cementing cast restorations 
D) Restoring teeth

Question 3

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

Accepted Answer

A) True 
B) False 
A) True 
B) False

Question 4

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 5

If used as a base,zinc phosphate requires the use of a liner first.

Accepted Answer

A) True 
 B)False

Question 6

When compared to zinc phosphate cement,which statement regarding polycarboxylate cement is correct?

Accepted Answer

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

Question 7

Which type of dental cement is used as an adhesive for permanent indirect restorations?

Accepted Answer

A) Temporary 
B) Luting 
C) Provisional 
D) Liner 
A) Temporary 
B) Luting 
C) Provisional 
D) Liner

Question 8

How should the interior of a porcelain crown be treated before cementation?

Accepted Answer

A) Roughened using air abrasion 
B) Cleaned with pumice 
C) Moistened 
D) Polished 
A) Roughened using air abrasion 
B) Cleaned with pumice 
C) Moistened 
D) Polished

Question 9

How should polycarboxylate cement appear once setting has initiated?

Accepted Answer

A) Stringy or weblike 
B) Glossy 
C) Powdery 
D) All of the above 
A) Stringy or weblike 
B) Glossy 
C) Powdery 
D) All of the above

Question 10

Which statement best represents the dental assistant's priority when preparing dental cements?

Accepted Answer

A) Work quickly. 
B) Mix in all powder at once. 
C) Follow the manufacturer's instructions. 
D) Change ratios depending on temperature. 
A) Work quickly. 
B) Mix in all powder at once. 
C) Follow the manufacturer's instructions. 
D) Change ratios depending on temperature.

Question 11

What type of cement is frequently used to cement provisional crowns?

Accepted Answer

A) Type I ZOE 
B) Type II ZOE 
C) Composite resin 
D) Glass ionomer 
A) Type I ZOE 
B) Type II ZOE 
C) Composite resin 
D) Glass ionomer

Question 12

Which factor(s)influence 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 13

What could occur if excess cement is left at the cavosurface margin of a crown?

Accepted Answer

A) Slowly dissolve, thus loosening the crown. 
B) Irritate the area and cause inflammation. 
C) Demineralize the enamel. 
D) Create an occlusal prematurity. 
A) Slowly dissolve, thus loosening the crown. 
B) Irritate the area and cause inflammation. 
C) Demineralize the enamel. 
D) Create an occlusal prematurity.

Exam 45: Dental Cements

What step(s)should be followed before dispensing cement powder?

When are temporary cements used?

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

Which cement inhibits recurrent decay?

If used as a base,zinc phosphate requires the use of a liner first.

When compared to zinc phosphate cement,which statement regarding polycarboxylate cement is correct?

Which type of dental cement is used as an adhesive for permanent indirect restorations?

How should the interior of a porcelain crown be treated before cementation?

How should polycarboxylate cement appear once setting has initiated?

Which statement best represents the dental assistant's priority when preparing dental cements?

What type of cement is frequently used to cement provisional crowns?

Which factor(s)influence the cementation procedure?

What could occur if excess cement is left at the cavosurface margin of a crown?

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

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Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

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