Question 1

All of the following statements are true of the process of removing the smear layer in dentin bonding except:

Accepted Answer

A)  during preparation, thousands of dentin tubules are cut.
B)  open ends of dentin tubules lead to sensitivity.
C)  all moisture must be removed to assist in adhesion.
D)  completely drying the tooth structure will harm the tooth.E) None of the above
F) All of the above

Question 2

Materials that are versatile in their uses,such as for specialized dental bases,include:

Accepted Answer

A)  dental cements.
B)  dental varnishes.
C)  dental liners.
D)  calcium hydroxide.E) A) and D)
F) None of the above

Question 3

Calcium hydroxide:

Accepted Answer

A)  cannot be placed under direct composite resins because it will inhibit polymerization.
B)  stimulates the production of reparative dentin.
C)  functions as a thick base to support extensive restorations.
D)  consists of a resin in an organic solvent.E) All of the above
F) C) and D)

Question 4

Which of the following is true of the bonding process?

Accepted Answer

A)  It can be performed on only the dentin.
B)  Contamination will not hinder the bond.
C)  Avoid overdrying or desiccating the tooth; the product works best on a slightly moist tooth structure.
D)  Using a small amount of bonding material is better than using too much.E) B) and C)
F) A) and B)

Question 5

A properly etched tooth will appear:

Accepted Answer

A)  shiny.
B)  pitted.
C)  frosted.
D)  as none of the above.E) All of the above
F) None of the above

Question 6

Dental varnish is used in the cavity preparation to:

Accepted Answer

A)  seal dentinal tubules.
B)  reduce leakage around a restoration.
C)  stimulate growth of reparative dentin.
D)  do both a and bE) C) and D)
F) All of the above

Question 7

Desensitizer should be placed:

Accepted Answer

A)  after thoroughly drying the tooth.
B)  on enamel only.
C)  and dried immediately.
D)  after rinsing and lightly drying the tooth.E) A) and C)
F) C) and D)

Question 8

A dental liner is placed:

Accepted Answer

A)  along inside of cavity walls.
B)  mesial and distal of the tooth.
C)  in the deepest area of the tooth preparation.
D)  along the interproximal margin.E) A) and B)
F) None of the above

Question 9

Which of the following materials used as a base needs to set at least 5 minutes before placing the restoration?

Accepted Answer

A)  Polycarboxylate cement
B)  ZOE
C)  Zinc phosphate cement
D)  Desensitizing materialsE) B) and C)
F) A) and D)

Question 10

Varnish should be placed on the ______ of the preparation.

Accepted Answer

A)  walls
B)  floor
C)  margins
D)  All of the above are correct.E) B) and C)
F) A) and C)

Question 11

Etching for dental bonding is done with:

Accepted Answer

A)  phosphoric acid.
B)  ammonia.
C)  isopropyl alcohol.
D)  hydrogen peroxide.E) C) and D)
F) B) and D)

Question 12

A necessary step in preparation for dentin bonding is:

Accepted Answer

A)  application of an etchant.
B)  addition of the smear layer.
C)  removal of the smear layer.
D)  both a and cE) A) and D)
F) A) and B)

Question 13

The smear layer is composed of:

Accepted Answer

A)  particularly dense enamel at the dentino-enamel junction.
B)  a very thin layer of debris remaining on the dentin after cavity preparation.
C)  an oxygen-inhibited layer on the surface of cut dentin.
D)  a very porous layer of cut ends of dentinal tubules.E) B) and D)
F) A) and B)

Question 14

Failure to place a protective base under a restoration can result in:

Accepted Answer

A)  a premature contact on the restorative material.
B)  occlusal trauma.
C)  postoperative sensitivity and damage to the pulp.
D)  premature loss of the restorative material.E) B) and D)
F) A) and B)

Question 15

Bonding agents or adhesives:

Accepted Answer

A)  can be light-cured.
B)  must be used after etching.
C)  are available as self-cured.
D)  are all of the above.E) A) and D)
F) C) and D)

Question 16

Desensitizers used to help prevent hypersensitivity should be used:

Accepted Answer

A)  in large amounts.
B)  in contact with soft tissue.
C)  to seal all affected dentinal tubules.
D)  All of the above are correct.E) C) and D)
F) B) and C)

Question 17

Types of pulpal stimuli can be:

Accepted Answer

A)  physical.
B)  mechanical.
C)  chemical or biologic.
D)  all of the above.E) A) and D)
F) B) and D)

Question 18

Calcium hydroxide liner is a frequently used liner because it:

Accepted Answer

A)  stimulates production of secondary dentin.
B)  can be used with only composite resin material.
C)  acts as a base as well as a liner.
D)  does not require the use of a filling material.E) A) and C)
F) A) and D)

Exam 44: Dental Liners, Bases, and Bonding Systems

A dental liner is placed:

Correct Answer
verified

A necessary step in preparation for dentin bonding is:

Correct Answer
verified

The smear layer is composed of:

Correct Answer
verified

Dental varnish is used in the cavity preparation to:

Correct Answer
verified

Which of the following materials used as a base needs to set at least 5 minutes before placing the restoration?

Correct Answer
verified

Desensitizer should be placed:

Correct Answer
verified

Calcium hydroxide liner is a frequently used liner because it:

Correct Answer
verified

All of the following statements are true of the process of removing the smear layer in dentin bonding except:

Correct Answer
verified

Types of pulpal stimuli can be:

Correct Answer
verified

Failure to place a protective base under a restoration can result in:

Correct Answer
verified

Desensitizers used to help prevent hypersensitivity should be used:

Correct Answer
verified

Calcium hydroxide:

Correct Answer
verified

Materials that are versatile in their uses,such as for specialized dental bases,include:

Correct Answer
verified

Which of the following is true of the bonding process?

Correct Answer
verified

Bonding agents or adhesives:

Correct Answer
verified

Etching for dental bonding is done with:

Correct Answer
verified

A properly etched tooth will appear:

Correct Answer
verified

Varnish should be placed on the ______ of the preparation.

Correct Answer
verified

Exam 44: Dental Liners, Bases, and Bonding Systems

A dental liner is placed:

Correct AnswerverifiedShow Answer

A necessary step in preparation for dentin bonding is:

Correct AnswerverifiedShow Answer

The smear layer is composed of:

Correct AnswerverifiedShow Answer

Dental varnish is used in the cavity preparation to:

Correct AnswerverifiedShow Answer

Which of the following materials used as a base needs to set at least 5 minutes before placing the restoration?

Correct AnswerverifiedShow Answer

Desensitizer should be placed:

Correct AnswerverifiedShow Answer

Calcium hydroxide liner is a frequently used liner because it:

Correct AnswerverifiedShow Answer

All of the following statements are true of the process of removing the smear layer in dentin bonding except:

Correct AnswerverifiedShow Answer

Types of pulpal stimuli can be:

Correct AnswerverifiedShow Answer

Failure to place a protective base under a restoration can result in:

Correct AnswerverifiedShow Answer

Desensitizers used to help prevent hypersensitivity should be used:

Correct AnswerverifiedShow Answer

Calcium hydroxide:

Correct AnswerverifiedShow Answer

Materials that are versatile in their uses,such as for specialized dental bases,include:

Correct AnswerverifiedShow Answer

Which of the following is true of the bonding process?

Correct AnswerverifiedShow Answer

Bonding agents or adhesives:

Correct AnswerverifiedShow Answer

Etching for dental bonding is done with:

Correct AnswerverifiedShow Answer

A properly etched tooth will appear:

Correct AnswerverifiedShow Answer

Varnish should be placed on the ______ of the preparation.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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