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Dental Assisting > chapter 52: removable prostethics > Flashcards

chapter 52: removable prostethics Flashcards

1
Q

type of denture that replaces one or more teeth in the same arch

A

partial denture

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2
Q

also referred to as a denture, that replaces all the teeth in one arch

A

full denture

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3
Q

removable prosthesis can replace their natural dentition. TRUE OR FALSE

A

FALSE

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4
Q

extraoral factors when considering getting prosthesis

A

physical and mental health
motivation,
age,
occupation,
dietary habits,
social and economic factors.

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5
Q

Individuals with poor ________ health may become agitated or concerned about having a denture in their mouth.

A

mental

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6
Q

The dentist should explore all acceptable alternative treatment options before giving serious consideration to the request.

TRUE OR FALSE

A

TRUE

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7
Q

Occasionally, patients’ major motive for having their teeth extracted and replaced with a prosthesis is for ______

A

esthetics

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8
Q

A prosthesis for a young person must be designed to allow for ____ and accommodate for new teeth as they erupt.

A

growth

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9
Q

Dietary Habits
______ oral tissue is an important aspect of removable prosthodontic success.

A

healthy

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10
Q

Patients’ ____ about their oral health and appearance will help them decide whether dentures are important.

A

attitude

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11
Q

The ability to pay for the treatment is a major _____ factor

A

economic

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12
Q

whicih muscles contribute to retention and dunctional control of the prosthesis

A

facial muscle

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13
Q

The presence of something foreign, such as a prosthesis, in the oral cavity can stimulate an _____ flow of saliva.

A

excessive

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14
Q

if your patient has experienced a stroke or another type of neurologic disorder and there is paralysis, the prosthesis may make saliva control more ____

a)difficult.
b) easier

A

A. difficult

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15
Q

what may be the cause of inadequate salivary flow

A

Physical conditions, medications, or radiation treatment

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16
Q

Successful wearing of a removable prosthesis depends on the support provided by the _____ ______

A

alveolar ridge

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17
Q

If the ______ ______ is at normal height and is evenly contoured, the alveolar ridge should provide good support, allowing for an even distribution for the stress of
mastication.

A

alveolar ridge

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18
Q

Resorption occurs when the alveolar ridge has resorbed because of loss of ____ causing an uneven distribution of pressure on the prosthesis, which keeps it from fitting properly.

A

teeth

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19
Q

Surgery that is sometimes perfomed to recontour the alveolar ridge

A

alveoplasty

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20
Q

what happens as a normal process to the alveolar ridge after teeth are lost

A

decrease in size

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21
Q

a poorly fitting prosthesis may cause irritation and sore spots, known as
____ ______ , on the oral mucosa.

A

pressure points

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22
Q

a benign overgrowth of bone in a specific area

A

tori

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23
Q

Depending on the type of prosthesis, it may be necessary to have the tori surgically removed before fabrication of the appliance is begun.

TRUE OR FALSE

A

true

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24
Q

denture that replaces the missing teeth in a quadrant or arch.

A

removable partial denture

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25
Q

where does the removable partial denture receive its support

A

underlying tissues & remaining teeth
(that serve as abutments.)

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26
Q

This type of prosthesis is designed to distribute the forces of mastication between the abutments and the supporting tissues.

A

removable partial dentures

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27
Q

Contraindications to a Removable Partial Denture

A
  • A lack of suitable teeth in the arch
    -Rampant caries or severe periodontal conditions
    -Lack of patient acceptance for esthetic reasons
    -poor oral hygiene
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28
Q

The basic components of a removable partial denture are :

A

framework
connectors
denture base
retainers
rests
artificial teeth

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29
Q

the cast metal skeleton that provides support for the remaining components of the prosthesis.

A

framework

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30
Q

joins the various parts of the partial denture.

A

connector

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31
Q

maxillary partial denture will have a ____ connector, and the mandibular partial denture will have a ___ connector.

A

palatal
lingual

32
Q

links the major connector to the base and other areas, such as rests and clasps.

A

minor connector

33
Q

the piece of rigid metal that joins the right- and left-quadrant framework of the partial denture.

A

the major connector

34
Q

a metal device built into a partial denture design to protect the abutment teeth from excessive occlusal weight and stress during mastication.

A

stress breaker

35
Q

advised for abutment teeth that have limited support in the alveolar ridge.

A

stress breaker

36
Q

also known as a clasp, is the portion of the framework that directly supports and provides stability to the partial denture by partially encircling or resting on an abutment tooth.

A

retainer

37
Q

approaches the tooth in a straight line from the apical direction and extends upward against the tooth

A

The I-bar retainer, or I-bar clasp

38
Q

originates at the occlusal surface of the tooth and extends downward, so that it partially encircles the tooth

A

. A circumferential retainer, or C-clasp,

39
Q

a metal projection designed to control the seating of a prosthesis as it is positioned in the mouth.

A

rest

40
Q

prevent the partial denture from moving in a gingival direction, which can place abnormal stress and wear on the abutment tooth.

It also prevents passage of food between the abutment tooth and the retainer.

A

rest

41
Q

Two common types of rests are the following:

A

The occlusal rest

(on the occlusal surface of the tooth. This placement minimizes trauma to the tooth )

The lingual rest

(placed on the cingulum of the lingual surface of the tooth, where support is good, but away from visibility.)

42
Q

what are artificial teeth constructed from

A

acrylic resin or porcelain

43
Q

Placement of acrylic teeth with ____ or _____ teeth in the opposing arch often is a good compromise.

A

natural or porcelain

44
Q

____ teeth are more susceptible to fracture and tend to cause abrasion of the opposing natural teeth.

A

Porcelain

45
Q

______ teeth are lighter in weight, can be modified, and produce less noise, although there is a clicking sound during chewing

A

acrylin resin teeth

46
Q

______ teeth tend to wear faster and are more susceptible to staining.

A

acrylic

47
Q

Appointment Sequencing for a PARTIAL DENTURE

A

5 appointments:

  1. records (dental history)
    2.preparation ( shade and mold)
  2. try in
  3. delivery
  4. post delivery
48
Q

A __ ___ minute appointment is usually adequate for delivery of the partial dentur

A

20-30

49
Q

Any changes in partial denture design are noted WHERE ?

A

laboratory prescription

50
Q

are designed to restore the function and esthetics of the natural dentition when all the natural teeth are missing.

A

Full dentures

51
Q

complete denture receives all its support and retention from :

A

underlying tissues,

alveolar ridges,

hard and soft palate,

surrounding oral mucosa.

52
Q

Major Indications for a Full Denture Include the Following:

A
  • fully edentulous patient
    -remaining teeth cant be saved
    -patient refuses alternative treatment
53
Q

Contraindications to a Full Denture Include the Following:

A
  • alternative treatment

-physical or mental illness that affects patients ability to cooperate

-hypersensitive to denture materials

  • patient not interested in replacing missing teeth
54
Q

Components of a Full Denture

A

base,
flange,
post dam,
artificial teeth

55
Q

the part of the base that extends over the attached mucosa from the cervical margin of the teeth to the border of the denture.

A

flange

56
Q

designed to fit over the residual alveolar ridge and surrounding gingival area.

A

base

57
Q

The base is commonly made from ________ . To provide additional strength, however, it may be reinforced with a metal mesh embedded in the acrylic.

A

denture acrylic

58
Q

Retention of a maxillary denture depends on the suction seal known as the

A

post dam

aka

posterior palatal seal

59
Q

not included in dentures because space is needed in the posterior region to allow the patient to close, chew, swallow, and speak normally

A

third molars

60
Q

A full denture will have __ teeth per arch;

A

14

61
Q

Appointment Sequencing for a Full Denture

A

6 appontments

1.records
2.final impression
3. try in of baseplate and occlusal rim
4. try in
5. delivery
6.post delivery

62
Q

constructed on the master casts, is made of a semirigid material such as shellac and self-curing or heat-cured resins.

A

base plate

63
Q

a prosthesis that is placed immediately after the extraction of a patient’s remaining teeth.

A

immediate denture

64
Q

placement of a _____ immediate denture is more common because it restores function and spares the patient the embarrassment of being without teeth.

A

maxillary

65
Q

resembles a clear plastic impression tray that duplicates the tissue surface of the immediate denture.

A

Surgical Template

66
Q

a full denture that is supported by the bony ridge, oral mucosa, and two or more remaining natural teeth or implants.

A

overdenture

67
Q

To permit the denture to fit snugly over the teeth without excessive bulk, the natural teeth are prepared by removing much of their bulk. The remaining tooth structure is protected with a
____

A

coping

68
Q

In the ___________ technique, only a minimal amount of tooth structure is removed, and the length of tooth remains almost the same

A

long coping

69
Q

In the ____________ technique, which is used only with endodontically treated teeth, tooth structure is greatly reduced and shortened.

A

short coping

70
Q

A patient should be scheduled ____ to evaluate the fit and to examine the oral tissues for subclinical irritation and dysplasia.

A

yearly

71
Q

_________ is used for diagnosing problems with partials and dentures at insertion and adjustment appointments.

A

Pressure-indicator paste

72
Q

placing a new layer of denture resin over the tissue surface of the appliance.

A

relining

73
Q

replaces the entire denture base material on an existing prosthesis without changing the occlusal relationship of the teeth.

A

rebasing

74
Q

reline _____ the prosthesis

and a rebase _____the denture base.

A

resurfaces

replaces

75
Q

One method used to rehabilitate unhealthy supporting tissues is to place a ____________ material for a short period, usually 3 or 4 days.

A

tissue conditioning

76
Q

what is in the tissue conditioner material

A

soft elastomer composed of powder and liquid

Dental Assisting (52 decks)

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