Question 1

Which statement is incorrect concerning tooth whitening?

Accepted Answer

A)  Tooth whitening can be achieved using over-the-counter products.
B)  Tooth whitening is permanent.
C)  Tooth whitening can have some adverse effects on the teeth.
D)  The main ingredient for whitening products is peroxide or a form of peroxide.E) None of the above
F) All of the above

Question 2

Which is an example of a direct restorative dental procedure?

Accepted Answer

A)  Veneer
B)  Teeth bleaching
C)  Amalgam
D)  CavityE) C) and D)
F) B) and D)

Question 3

Which of the following is not an expanded function for a dental assistant?

Accepted Answer

A)  Place a base and cavity liner.
B)  Retract the patient's cheek or tongue.
C)  Place matrix band and wedge.
D)  Place a bonding agent.E) All of the above
F) A) and B)

Question 4

How many tooth surfaces does a class I restoration involve?

Accepted Answer

A)  One
B)  Two
C)  Three
D)  FourE) None of the above
F) A) and C) A

Question 5

What are the internal surfaces of a cavity preparation called?

Accepted Answer

A)  Axial wall
B)  Cavity wall
C)  Pulpal wall
D)  Cavosurface marginE) A) and B)
F) All of the above

Question 6

What is the material of choice for restoring class III and class IV preparations?

Accepted Answer

A)  Composite resin
B)  Amalgam
C)  Glass ionomer
D)  CeramicE) A) and B)
F) A) and C)

Question 7

What responsibility does the dental assistant provide during a permanent restorative procedure?

Accepted Answer

A)  Determine the types of materials to be used for the restoration.
B)  Provide moisture control by using the high-velocity suction.
C)  Check occlusion of the restoration.
D)  Administer local anesthetic.E) A) and D)
F) All of the above

Question 8

Complete the statement: "When completing a permanent restoration,the dentist should have knowledge of:

Accepted Answer

A)  the size and position of the pulp of the tooth."
B)  the crown as it relates to the pulp of the tooth."
C)  where the body of the tooth lies."
D)  the directions of the enamel spindles."E) B) and C)
F) C) and D) A

Question 9

Which procedure listed is included under the umbrella of esthetic dentistry?

Accepted Answer

A)  Whitening techniques
B)  Endodontic therapy
C)  Stainless steel crowns
D)  Silver amalgamE) A) and B)
F) None of the above

Question 10

An example of esthetic dentistry includes which procedure?

Accepted Answer

A)  Veneer
B)  Teeth bleaching
C)  Dentures
D)  Both a and bE) B) and D)
F) B) and C)

Question 11

Tooth whitening,or vital bleaching,is not indicated for a dental patient with which condition?

Accepted Answer

A)  Enamel hyperplasia
B)  Extrinsic stains from foods, cigarette smoking, coffee, or tea
C)  Aged teeth
D)  Intrinsic stains, such as mild tetracycline stains or mild fluorosisE) A) and B)
F) A) and C)

Question 12

Which statement is true regarding retention of pins?

Accepted Answer

A)  In general, three pins are inserted to replace each missing cusp.
B)  The retention pin has deep threads that grip the dentin when screwed into tooth structure.
C)  Pins are always 0.023 mm in diameter and extend 2 mm into tooth structure.
D)  Pins are placed into the root canal of the tooth.E) A) and D)
F) B) and C)

Question 13

Which of the following statements is true?

Accepted Answer

A)  The class V restoration is defined as a pit and fissure restoration.
B)  The class V lesion occurs on the incisal third of the facial and lingual surface of any tooth.
C)  The class V lesion is prepared by having a smooth surface outline with angles.
D)  The class V lesion location will determine the type of restorative material selected.E) C) and D)
F) A) and B)

Question 14

Which condition listed is of greatest concern to the operator when preparing a class V restoration?

Accepted Answer

A)  Size of the lesion
B)  Nearness of the lesion to the gingiva
C)  Type of material the dentist will use
D)  Placement of the gingival cordE) A) and D)
F) None of the above

Question 15

Class III restorations involve the interproximal surfaces of which teeth?

Accepted Answer

A)  Incisors and canines
B)  Canines and premolars
C)  Premolars and molars
D)  Incisors and premolarsE) A) and B)
F) All of the above

Question 16

Which restorative material is selected for the permanent restoration of a class I lesion?

Accepted Answer

A)  Composite
B)  Amalgam
C)  Glass ionomer
D)  Both a and bE) All of the above
F) A) and B)

Question 17

In which teeth are class II restorations found?

Accepted Answer

A)  Maxillary lateral incisors
B)  All molars
C)  All canines
D)  Mandibular central incisorsE) A) and B)
F) None of the above

Question 18

What is the fastest,most efficient way to whiten teeth?

Accepted Answer

A)  In-office treatment
B)  Whitening toothpaste
C)  Brush-on whitening methods
D)  Trays with bleaching gelE) None of the above
F) A) and B)

Question 19

During a class III or IV restoration,the dentist may use a _____ to help reproduce the correct contours and contact.

Accepted Answer

A)  Tofflemire matrix system
B)  Mylar matrix system
C)  universal matrix system
D)  gingival retraction cordE) C) and D)
F) A) and B)

Question 20

Which statement is incorrect regarding brush-on whitening methods?

Accepted Answer

A)  It can cause blotches on the teeth if not used properly.
B)  It is as effective as other tooth-whitening methods.
C)  It is inhibited by saliva.
D)  It must be used regularly.E) B) and C)
F) None of the above B

Exam 48: General Dentistry

Which statement is incorrect concerning tooth whitening?

Correct AnswerverifiedShow Answer

Which is an example of a direct restorative dental procedure?

Correct AnswerverifiedShow Answer

Which of the following is not an expanded function for a dental assistant?

Correct AnswerverifiedShow Answer

How many tooth surfaces does a class I restoration involve?

Correct AnswerverifiedA

What are the internal surfaces of a cavity preparation called?

Correct AnswerverifiedShow Answer

What is the material of choice for restoring class III and class IV preparations?

Correct AnswerverifiedShow Answer

What responsibility does the dental assistant provide during a permanent restorative procedure?

Correct AnswerverifiedShow Answer

Complete the statement: "When completing a permanent restoration,the dentist should have knowledge of:

Correct AnswerverifiedA

Which procedure listed is included under the umbrella of esthetic dentistry?

Correct AnswerverifiedShow Answer

An example of esthetic dentistry includes which procedure?

Correct AnswerverifiedShow Answer

Tooth whitening,or vital bleaching,is not indicated for a dental patient with which condition?

Correct AnswerverifiedShow Answer

Which statement is true regarding retention of pins?

Correct AnswerverifiedShow Answer

Which of the following statements is true?

Correct AnswerverifiedShow Answer

Which condition listed is of greatest concern to the operator when preparing a class V restoration?

Correct AnswerverifiedShow Answer

Class III restorations involve the interproximal surfaces of which teeth?

Correct AnswerverifiedShow Answer

Which restorative material is selected for the permanent restoration of a class I lesion?

Correct AnswerverifiedShow Answer

In which teeth are class II restorations found?

Correct AnswerverifiedShow Answer

What is the fastest,most efficient way to whiten teeth?

Correct AnswerverifiedShow Answer

During a class III or IV restoration,the dentist may use a _____ to help reproduce the correct contours and contact.

Correct AnswerverifiedShow Answer

Which statement is incorrect regarding brush-on whitening methods?

Correct AnswerverifiedB

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B