Deck 48: General Dentistry

Question 1

How many tooth surfaces does a class I restoration involve?

A)One
B)Two
C)Three
D)Four

Answer 1

One

Question 2

A veneer is applied to which surface of a prepared tooth?

A)Incisal
B)Facial
C)Mesial
D)Distal

Answer 2

Facial

Question 3

An example of esthetic dentistry includes which procedure?

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

Answer 3

Both a and b

Question 4

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

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."

Question 5

When one or both of the proximal surfaces are removed during a preparation,how is the filling material retained while restoring?

A)Cavity wall
B)Line angle
C)Resistance form
D)Matrix system

Question 6

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

A)Whitening techniques
B)Endodontic therapy
C)Stainless steel crowns
D)Silver amalgam

Question 7

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

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 fluorosis

Question 8

What classification of restoration involves the lingual pit of a maxillary incisor?

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

Question 9

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

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

Question 10

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

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.

Question 11

Which step in cavity preparation determines the primary shape and placement of cavity walls?

A)Outline
B)Resistance
C)Retention
D)Convenience

Question 12

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

A)Composite resin
B)Amalgam
C)Glass ionomer
D)Ceramic

Question 13

Which is an example of a direct restorative dental procedure?

A)Veneer
B)Teeth bleaching
C)Amalgam
D)Cavity

Question 14

A comprehensive class II restoration can involve as many as _____ surfaces of a tooth.

A)one
B)two
C)three
D)four

Question 15

Who performs the majority of operative dental procedures?

A)Oral surgeon
B)Periodontist
C)General dentist
D)Endodontist

Question 16

Which of the following statements is true?

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.

Question 17

What are a dental assistant's responsibilities in a restorative procedure?

A)Evaluating the tooth to be restored
B)Administering local anesthesia
C)Determining the type of dental materials to be used
D)Preparing, mixing, and transferring dental materials

Question 18

What is the final step in a cavity preparation?

A)Placing retention forms
B)Designing the cavity walls
C)Placing a desensitizing or lining agent
D)Placing the intermediate restorative material

Question 19

Which statement is true regarding retention of pins?

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.

Question 20

In which teeth are class II restorations found?

A)Maxillary lateral incisors
B)All molars
C)All canines
D)Mandibular central incisors

Question 21

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

A)Tofflemire matrix system
B)Mylar matrix system
C)universal matrix system
D)gingival retraction cord

Question 22

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

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.

Question 23

Which statement is incorrect regarding brush-on whitening methods?

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.

Question 24

Which statement is incorrect concerning tooth whitening?

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.

Question 25

Which statement is true?

A)If loss of tooth structure becomes greater than the remaining tooth structure, the tooth is not restorable.
B)When using retention pins, one pin is placed for each missing cusp.
C)Retention pins are screwed into the pulp of the tooth for greater support.
D)Retention pins are available in varying lengths and types of metals.

Question 26

Which statement is incorrect concerning veneers?

A)Veneers have an unlimited lifespan.
B)Veneers can discolor, wear, or chip over a period of time.
C)Good oral hygiene is essential to keep the margins free of plaque and decay.
D)Veneers can be cracked by biting into hard surfaces such as ice.

Question 27

Class III restorations involve the interproximal surfaces of which teeth?

A)Incisors and canines
B)Canines and premolars
C)Premolars and molars
D)Incisors and premolars

Question 28

The pulpal floor is also known by what name?

A)Enamel wall
B)Dentinal surface
C)External surface
D)Pulpal wall

Question 29

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

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 cord

Question 30

Where do class V lesions occur?

A)Gingival one-third
B)Occlusal surface
C)Incisal edge
D)Facial surface

Question 31

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

A)In-office treatment
B)Whitening toothpaste
C)Brush-on whitening methods
D)Trays with bleaching gel

Question 32

What is the purpose of a veneer?

A)To improve the appearance of anterior
B)To improve tooth alignment
C)To close diastemata
D)All of the above

Question 33

During a class III restoration,the dentist will enter the tooth from which surface to minimize the size of the restoration?

A)Mesial
B)Distal
C)Lingual
D)Facial

Question 34

A temporary restoration that can be placed in any tooth or tooth surface for a short period is also known as which type of restoration?

A)Intermediate
B)Permanent
C)Conservative
D)Comprehensive

Question 35

What are the internal surfaces of a cavity preparation called?

A)Axial wall
B)Cavity wall
C)Pulpal wall
D)Cavosurface margin