Question 1

Match the items with the correct description below.
-Primary consistency

Accepted Answer

A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting 
A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting E

Question 2

Match the items with the correct description below.
-Liner/Low-strength base

Accepted Answer

A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting 
A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting A

Question 3

Which of the following cements is highest in mechanical strength?

Accepted Answer

A)  Resin cement 
B)  Hybrid ionomer 
C)  Zinc polycarboxylate 
D)  Glass ionomer cement 
A)  Resin cement 
B)  Hybrid ionomer 
C)  Zinc polycarboxylate 
D)  Glass ionomer cement A

Question 4

Which cement is recommended for metal-free restoration?

Accepted Answer

A)  Glass ionomer cement 
B)  Resin-based cement 
C)  Hybrid ionomer cement 
D)  Resin-modified glass ionomer cement 
A)  Glass ionomer cement 
B)  Resin-based cement 
C)  Hybrid ionomer cement 
D)  Resin-modified glass ionomer cement

Question 5

Which of the following cements forms a chemical bond to tooth structure?
1)Zinc oxide eugenol
2)Zinc phosphate
3)Zinc polycarboxylate
4)Glass ionomer

Accepted Answer

A)  1,2,3,4 
B)  2,3,4 
C)  2,3 
D)  3,4 
A)  1,2,3,4 
B)  2,3,4 
C)  2,3 
D)  3,4

Question 6

When is zinc polycarboxylate cement no longer usable?

Accepted Answer

A)  Has a creamy appearance 
B)  Loses its gloss and becomes stringy 
C)  Is mixed for longer than 10 seconds 
D)  Becomes oily on the surface because of the oxygen-inhibited layer 
A)  Has a creamy appearance 
B)  Loses its gloss and becomes stringy 
C)  Is mixed for longer than 10 seconds 
D)  Becomes oily on the surface because of the oxygen-inhibited layer

Question 7

Expansion of ______ cement as it absorbs moisture after setting is a concern,making the cement less desirable for cementation of all-ceramic indirect restorations because of the risk of fracture.

Accepted Answer

A)  glass ionomer 
B)  zinc phosphate 
C)  zinc polycarboxylate 
D)  resin-modified glass ionomer 
A)  glass ionomer 
B)  zinc phosphate 
C)  zinc polycarboxylate 
D)  resin-modified glass ionomer

Question 8

What is the primary purpose of calcium hydroxide?

Accepted Answer

A)  Promote reparative dentin 
B)  Act as a protective barrier 
C)  Insulate the pulp cavity 
D)  Sedate the pulp tissue 
A)  Promote reparative dentin 
B)  Act as a protective barrier 
C)  Insulate the pulp cavity 
D)  Sedate the pulp tissue

Question 9

Which of the following cements should not be used under composites or as temporary cement before final cementation with hybrid glass ionomer or resin cements?

Accepted Answer

A)  Glass ionomer cement 
B)  Zinc phosphate cement 
C)  Zinc oxide eugenol cement 
D)  Zinc polycarboxylate cement 
A)  Glass ionomer cement 
B)  Zinc phosphate cement 
C)  Zinc oxide eugenol cement 
D)  Zinc polycarboxylate cement

Question 10

For which of the following cements is the powder dispensed in four to six portions on one end of a glass slab,and then incorporated in small increments into the liquid,with each increment mixed for 10 to 15 seconds?

Accepted Answer

A)  Zinc polycarboxylate cement 
B)  Zinc oxide eugenol cement 
C)  Zinc phosphate cement 
D)  Glass ionomer cement 
A)  Zinc polycarboxylate cement 
B)  Zinc oxide eugenol cement 
C)  Zinc phosphate cement 
D)  Glass ionomer cement

Question 11

Match the items with the correct description below.
-Secondary consistency

Accepted Answer

A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting 
A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting

Question 12

______ incorporation of zinc phosphate powder into the liquid and mixing over a ______ area of a cooled glass slab are recommended because the chemical reaction is exothermic and produces heat.

Accepted Answer

A)  Bulk;large 
B)  Bulk;small 
C)  Incremental;large 
D)  Incremental;small 
A)  Bulk;large 
B)  Bulk;small 
C)  Incremental;large 
D)  Incremental;small

Question 13

In most cases,cements have ______ strength and ______ solubility when compared with other restorative materials.

Accepted Answer

A)  superior;high 
B)  superior;low 
C)  inferior;high 
D)  inferior;low 
A)  superior;high 
B)  superior;low 
C)  inferior;high 
D)  inferior;low

Question 14

What is the advantage of using glass ionomer cement?

Accepted Answer

A)  Fluoride ion 
B)  Low strength 
C)  Low solubility 
D)  Sedative effect 
A)  Fluoride ion 
B)  Low strength 
C)  Low solubility 
D)  Sedative effect

Question 15

List the advantages and disadvantages of zinc oxide eugenol,zinc phosphate,zinc polycarboxylate,traditional glass ionomer,hybrid ionomer,and resin-based cements.

Accepted Answer

Zinc oxide eugenol cement
•Advantages-Wi

Question 16

Which type of cement is recommended for cementing thicker ceramic restorations where light would not penetrate adequately?

Accepted Answer

A)  Sedative 
B)  Dual-cure 
C)  Provisional 
D)  Chemical-cure 
A)  Sedative 
B)  Dual-cure 
C)  Provisional 
D)  Chemical-cure

Question 17

Which of the following is true concerning the properties of zinc polycarboxylate cements?

Accepted Answer

A)  The polyacrylic acid in zinc polycarboxylate cements produces significant pulpal irritation and the pulp must be protected. 
B)  The viscosity of zinc polycarboxylate cements is lower than that of most other cements. 
C)  These cements have higher compressive strength and lower solubility when compared with other cements. 
D)  The retention of polycarboxylate cements is both chemical and mechanical,making these cements desirable for retention of indirect restorations. 
A)  The polyacrylic acid in zinc polycarboxylate cements produces significant pulpal irritation and the pulp must be protected. 
B)  The viscosity of zinc polycarboxylate cements is lower than that of most other cements. 
C)  These cements have higher compressive strength and lower solubility when compared with other cements. 
D)  The retention of polycarboxylate cements is both chemical and mechanical,making these cements desirable for retention of indirect restorations.

Question 18

The composition of hybrid ionomer cement is similar to that of glass ionomer cement,but it is modified with the addition what?

Accepted Answer

A)  Zinc 
B)  Resin 
C)  Fluoride 
D)  Orange oil 
A)  Zinc 
B)  Resin 
C)  Fluoride 
D)  Orange oil

Question 19

Match the items with the correct description below.
-Varnish

Accepted Answer

A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting 
A) A thin layer of material placed to protect the tooth from the components of dental materials and microleakage,stimulate reparative dentin,or act as a pulp capping 
B) A thin layer placed on the floor and walls of the preparation to seal tubules and minimize microleakage 
C) A thick layer of cement used to protect the tooth from chemical and thermal irritation 
D) Thick,putty-like,condensable material that can be rolled into a ball or rope,suitable for use as a base 
E) Less viscous,flows easily,can be drawn to a 1-inch string with a spatula,suitable for luting

Question 20

Which cement should be removed with alcohol or orange solvent once it has set?

Accepted Answer

A)  Glass ionomer 
B)  Zinc phosphate 
C)  Zinc oxide eugenol 
D)  Zinc polycarboxylate 
A)  Glass ionomer 
B)  Zinc phosphate 
C)  Zinc oxide eugenol 
D)  Zinc polycarboxylate

Match the items with the correct description below. -Primary consistency

Match the items with the correct description below. -Liner/Low-strength base

Which of the following cements is highest in mechanical strength?

Which cement is recommended for metal-free restoration?

Which of the following cements forms a chemical bond to tooth structure? 1)Zinc oxide eugenol 2)Zinc phosphate 3)Zinc polycarboxylate 4)Glass ionomer

When is zinc polycarboxylate cement no longer usable?

Expansion of ______ cement as it absorbs moisture after setting is a concern,making the cement less desirable for cementation of all-ceramic indirect restorations because of the risk of fracture.

What is the primary purpose of calcium hydroxide?

Which of the following cements should not be used under composites or as temporary cement before final cementation with hybrid glass ionomer or resin cements?

For which of the following cements is the powder dispensed in four to six portions on one end of a glass slab,and then incorporated in small increments into the liquid,with each increment mixed for 10 to 15 seconds?

Match the items with the correct description below. -Secondary consistency

incorporation of zinc phosphate powder into the liquid and mixing over a area of a cooled glass slab are recommended because the chemical reaction is exothermic and produces heat.

In most cases,cements have strength and solubility when compared with other restorative materials.

What is the advantage of using glass ionomer cement?

List the advantages and disadvantages of zinc oxide eugenol,zinc phosphate,zinc polycarboxylate,traditional glass ionomer,hybrid ionomer,and resin-based cements.

Which type of cement is recommended for cementing thicker ceramic restorations where light would not penetrate adequately?

Which of the following is true concerning the properties of zinc polycarboxylate cements?

The composition of hybrid ionomer cement is similar to that of glass ionomer cement,but it is modified with the addition what?

Match the items with the correct description below. -Varnish

Which cement should be removed with alcohol or orange solvent once it has set?

Introduction to Dental Materials

Oral Environment and Patient Considerations

Physical and Mechanical Properties of Dental Materials

General Handling and Safety of Dental Materials in the Dental Office

Principles of Bonding

Composites, glass Ionomers, and Compomers

Preventive and Desensitizing Materials

Teeth Whitening Materials and Procedures

Dental Ceramics

Dental Amalgam

Casting Metals, solders, and Wrought Metal Alloys

Dental Implants

Abrasion, finishing, and Polishing

Impression Materials

Gypsum and Wax Products

Polymers for Prosthetic Dentistry

Provisional Restorations

Preventive and Corrective Oral Appliances

Filters

Exam 14: Dental Cement

Match the items with the correct description below. -Primary consistency

Match the items with the correct description below. -Liner/Low-strength base

Which of the following cements is highest in mechanical strength?

Which cement is recommended for metal-free restoration?

Which of the following cements forms a chemical bond to tooth structure? 1)Zinc oxide eugenol 2)Zinc phosphate 3)Zinc polycarboxylate 4)Glass ionomer

When is zinc polycarboxylate cement no longer usable?

Expansion of ______ cement as it absorbs moisture after setting is a concern,making the cement less desirable for cementation of all-ceramic indirect restorations because of the risk of fracture.

What is the primary purpose of calcium hydroxide?

Which of the following cements should not be used under composites or as temporary cement before final cementation with hybrid glass ionomer or resin cements?

For which of the following cements is the powder dispensed in four to six portions on one end of a glass slab,and then incorporated in small increments into the liquid,with each increment mixed for 10 to 15 seconds?

Match the items with the correct description below. -Secondary consistency

______ incorporation of zinc phosphate powder into the liquid and mixing over a ______ area of a cooled glass slab are recommended because the chemical reaction is exothermic and produces heat.

In most cases,cements have ______ strength and ______ solubility when compared with other restorative materials.

What is the advantage of using glass ionomer cement?

List the advantages and disadvantages of zinc oxide eugenol,zinc phosphate,zinc polycarboxylate,traditional glass ionomer,hybrid ionomer,and resin-based cements.

Which type of cement is recommended for cementing thicker ceramic restorations where light would not penetrate adequately?

Which of the following is true concerning the properties of zinc polycarboxylate cements?

The composition of hybrid ionomer cement is similar to that of glass ionomer cement,but it is modified with the addition what?

Match the items with the correct description below. -Varnish

Which cement should be removed with alcohol or orange solvent once it has set?

Introduction to Dental Materials

Oral Environment and Patient Considerations

Physical and Mechanical Properties of Dental Materials

General Handling and Safety of Dental Materials in the Dental Office

Principles of Bonding

Composites, glass Ionomers, and Compomers

Preventive and Desensitizing Materials

Teeth Whitening Materials and Procedures

Dental Ceramics

Dental Amalgam

Casting Metals, solders, and Wrought Metal Alloys

Dental Implants

Abrasion, finishing, and Polishing

Impression Materials

Gypsum and Wax Products

Polymers for Prosthetic Dentistry

Provisional Restorations

Preventive and Corrective Oral Appliances

Filters

incorporation of zinc phosphate powder into the liquid and mixing over a area of a cooled glass slab are recommended because the chemical reaction is exothermic and produces heat.

In most cases,cements have strength and solubility when compared with other restorative materials.