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Dental Assistant > Week 6 > Flashcards

Week 6 Flashcards

1
Q

Of the three classifications of impressions, which can the dental assistant (EFDA) legally take?

A

Preliminary Bite impressions

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2
Q

an elastomeric material used for preliminary impressions or final impressions?

A

Final impression

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3
Q

which three ways are elastomeric materials supplied?

A

Paste
Cartridges
Putty’s

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4
Q

What material does the dentist first apply to the teeth - the heavy-bodied or the light-bodied form?

A

Light bodied

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5
Q

How is light-bodied material placed around a prepared tooth?

A

Special syringe or extruder

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6
Q

What system completes the mixing of final impression material for you?

A

Auto mix

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7
Q

Do you cool or warm the wax before placing the tray in the patient’s mouth for a bite registration?

A

Warm

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8
Q

What is restorative and esthetic dentistry often referred to as?

A

Operative
General

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9
Q

What is a common term used to describe decay?

A

Cavity

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10
Q

Which step in the initial preparation allows the dentist to determine the shape and placement of the cavity walls?

A

Cavity preparation

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11
Q

Where in the mouth would you find a class I restoration?

A

Occlusal surfaces

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12
Q

How many surfaces can be involved in a class I restoration?

A

2+

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13
Q

What restorative material would vou set up for a class IV procedure?

A

Composite resin

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14
Q

What population has a higher incidence of class V lesions?

A

Older population

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15
Q

What are three reasons for placing an intermediate restoration?

A

Determine the health of the tooth
While waiting to receive a permanent restoration
Financial reasons

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16
Q

What tooth surface most often receives a veneer?

A

Facial

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17
Q

What is the difference between a direct and an indirect veneer?

A

Direct is bonded
Indirect is cemented to the tooth surface

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18
Q

What is used to hold whitening gel to the teeth?

A

Thermoplastic resin tray

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19
Q

What is the main ingredient of whitening strip products?

A

Hydrogen peroxide

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20
Q

What adverse effects may a patient experience during tooth whitening?

A

Thermal hypersensitivity
Tissue irritation

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21
Q

What is the more common term used to describe fixed prostheses?

A

Crown and bridge

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22
Q

What is the difference between an onlay and a three-quarter crown?

A
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23
Q

How does a dentist convey to a dental laboratory technician the type of crown or bridge that should be
made?

A

Written prescription

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24
Q

What is the term for an exact replica of a tooth prepared by a laboratory technician?

A

Die

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25
Q

How many appointments are commonly required for a crown?

A

2

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26
Q

If a tooth is nonvital, what is fabricated and placed into the pulp for better retention of a crown?

A

post and cord

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27
Q

What is placed on the tray to displace gingival tissue during a crown and bridge preparation?

A

Gingival retraction cord

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28
Q

What type of agent is applied to retraction cord to control bleeding?

A

Hemostatic solution

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29
Q

What other terms are used for overgrown tissue?

A

Hypertrophied

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30
Q

What types of impressions are taken during the crown preparation procedure?

A

Final impressions
Preliminary impression

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31
Q

What is placed on a prepared tooth while the laboratory is making a crown or bridge?

A

Provisional crown and bridge

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32
Q

Who in the dental office is allowed to cement a crown or bridge permanently?

A

Dentist

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33
Q

What accessory is used to help in flossing a bridge?
70

A

Bridge threader

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34
Q

What term is used instead of “temporary” covering for a crown or bridge?

A

Provisional coverage

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35
Q

How long would a patient normally wear provisional coverage?

A

2 weeks to a month

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36
Q

What types of provisional coverage could be used for anterior teeth?

A

Custom and preformed polycarbonate

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37
Q

What type of dental material is commonly used to fabricate a custom provisional?

A

Acrylic or composite resin

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38
Q

When would a stainless steel crown be commonly selected for use as a short-term provisional?

A
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39
Q

List the types of dental specialists who may receive training in dental implants.

A

Oral and maxillofacial surgeon
Periodontist
Prosthodontics
Implantologist (general dentist)

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40
Q

What is the success rate for dental implants?

A

More than 90%

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41
Q

How long can dental implants last?

A

As long as 20 years+

42
Q

Is the financial investment for an implant greater or less than for a fixed bridge?

A

Greater

43
Q

How long can an implant procedure take to complete?

A

Several months or longer

44
Q

Why would a dentist use a surgical stent during implant surgery?

A

Stents act as a guide during surgery to place the implants in their proper position

45
Q

What material is commonly used to make an implant?

A

Titanium

46
Q

What does osseo- mean?

A

Bone

47
Q

What component of the endosteal implant attaches to the artificial tooth or teeth?

A

Abutment post or cylinder

48
Q

Circumoral

A

Surrounding the mouth

49
Q

Endosteal

A

Implant surgically embedded into the
bone.

50
Q

Implant

A

Artificial teeth attached to anchors that have been surgically embedded into the bone or surrounding structures.

51
Q

Osseointegration

A

Attachment of healthy bone to a dental implant. Peri-implant tissue. Gingival sulcus surrounding the implant.

52
Q

Stent

A

Clear acrylic template placed over the alveolar ridge to assist in locating the proper placement for dental implants.

53
Q

Transosteal

A

Implant inserted through the inferior border of the mandible.

54
Q

Titanium

A

Type of metal used for implants.

55
Q

Subperiosteal

A

Type of implant with a metal frame that is placed under the periosteum, but on top of the bone.

56
Q

Custom provisional

A

Pertaining to coverage designed from a preliminary impression or thermoplastic tray resembling the tooth being prepared.

57
Q

Polycarbonate crown

A

Provisional crown made from a hard plastic tooth-colored material used for anterior teeth.

58
Q

Polymer crown

A

Provisional coverage designed in a shell-like form.

59
Q

Preformed

A

Referring to provisional coverage that is already shaped as needed.

60
Q

Provisional

A

Pertaining to temporary coverage made for crown or bridge preparations and worn during cast preparation.

61
Q

Stainless steel crown

A

Thin crown made from a medium-hard material for good durability

62
Q

Axial wall

A

Internal surface of a cavity preparation positioned in the same vertical direction as the pulp within the tooth.

63
Q

Cavity

A

Pitted area in a tooth caused by decay.

64
Q

Cavity preparation

A

Process of decay removal and tooth design in preparation for restoring a tooth.

65
Q

Cavity wall

A

Internal surface of a cavity preparation.

66
Q

Convenience form

A

Cavity preparation step that allows the dentist easier access when restoring a tooth.

67
Q

Diastema

A

space between two teeth.

68
Q

Esthetic dentistry

A

dentistry that improves the appearance of teeth by camouflaging defects and whitening teeth.

69
Q

Operative dentistry

A

Term commonly used to describe restorative and
esthetic dentistry.

70
Q

Outline form

A

Design and initial depth of sound tooth structure used by the dentist when restoring a tooth.

71
Q

Pulpal wall

A

Surface of the cavity preparation perpendicular to the pulp of a tooth.

72
Q

Resistance form

A

Shape and placement of cavity walls in the preparation of tooth restoration.

73
Q

Restoration

A

The use of a dental material to restore a tooth or teeth to a functional permanent unit.

74
Q

Restorative dentistry

A

of dentistry that restores teeth by removing decay and restoring defects.

75
Q

Retention form

A

The shaping of the cavity walls to aid in retaining the restoration.

76
Q

Retention pin

A

Basis of a stronger system used to retain and support a tooth restoration.

77
Q

Veneer

A

Thin layer of composite resin or porcelain bonded or cemented to a prepared facial surface.

78
Q

Abutment

A

tooth, root, or implant used for support and retention of a fixed or removable prosthesis.

79
Q

Articulator

A

Dental laboratory device that simulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it

80
Q

Bevel

A

Enamel margin of a tooth preparation

81
Q

Cast post

A

Metal post placed into the root canal of an endodonticaly treated tooth to improve the retention of a cast restoration.

82
Q

Chamfer

A

Tapered finish line of the margin at the cervical
area of a tooth preparation.

83
Q

Core

A

Portion of a post that extends above the tooth structure.

84
Q

Die

A

accurate replica of the prepared portion of a tooth used in the laboratory during the fabrication of a cast restoration.

85
Q

Fixed bridge

A

Dental prosthesis with artificial teeth fixed in place and
supported by attachment to natural teeth.

86
Q

Full crown

A

Cast restoration that covers the entire anatomic crown of the tooth.

87
Q

Gingival retraction

A

Means of displacing gingival tissue away from the tooth.

88
Q

Hypertrophied

A

Referring to overgrown oral
tissues.

89
Q

Infuser

A

Syringe that applies hemostatic solution on the gingival retraction cord.

90
Q

Inlay

A

Cast restoration designed for class II cavity.

91
Q

Investment material

A

Special gypsum product able to withstand extreme heat.

92
Q

Master cast

A

Cast created from a final impression used to construct baseplate, bite rims, wax setups, and finished prosthesis.

93
Q

Onlay

A

Cast restoration designed for occlusal crown and proximal surfaces of posterior teeth.

94
Q

Opaquer

A

Resin material placed under a porcelain restoration to mask tooth discoloration.

95
Q

Pontic

A

Artificial tooth that replaces a missing natural tooth.

96
Q

Porcelain fused to metal crown

A

Indirect restoration in which a thin porcelain material is fused to the facial portion of a gold crown.

97
Q

Prosthesis

A

Fabricated replacement for a missing tooth.

98
Q

Resin bonded bridge

A

Fixed dental prosthesis with wings that are bonded to the lingual surfaces of adjacent teeth; also known as Maryland bridge.

99
Q

Shade guide

A

Accessory dental item that contains different shades of teeth and is used to match the color of a patient’s teeth for the laboratory technician.

100
Q

Shoulder

A

Margins of a tooth preparation for a cast restoration.

101
Q

Three quarter crown

A

Cast restoration that covers the anatomic crown of a tooth except for the facial or buccal portion.

102
Q

Unit

A

Each component of the fixed bridge.

Dental Assistant (7 decks)

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