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RPD > Intro Lectures Before Class > Flashcards

Intro Lectures Before Class Flashcards

1
Q

What is the real name for RPD?

A

“PRDP”
partial removable dental prosthesis

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2
Q

What is the real name for CD?

A

“CRDP”
complete removable dental prosthesis

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3
Q

What are the three main types of RPDs?

A
  • cast metal frame
  • acrylic
  • flexible base
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4
Q

Why is a flexible base not great?

A
  • outward pressure on abutment teeth when biting
  • abutment teeth have lateral movement and issues
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5
Q

What are the two types of metals that cast metal frames are made from?

A

CoCr - cobalt chromium
NiCr - nickel chrominum

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6
Q

Why is CoCr used more often in cast metal frames than NiCr?

A

CoCr is used more often, because patients may have Nickel sensitivity

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7
Q
A

class I

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8
Q
A

class II

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9
Q
A

class III

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10
Q
A

class IV

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11
Q
A

class II

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12
Q
A
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13
Q

Which would work better?

A

left
- right will not have retention and the tooth will shift

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14
Q

What type of material is most commonly used for RPDs made in UMKC?

A. Co-Cr
B. Ni-Cr
C. Gold
D. Valplast

A

A. Co-Cr

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15
Q

What is this called?

A. clasp assembly
B. major connector
C. minor connector
D. clasp

A

B. major connector

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16
Q

What is prosthetics?

A

art or science of replacing absent body parts

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17
Q

What is prosthodontics?

A

branch of dentistry that pertains to the replacement of missing teeth and oral tissues

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18
Q

What are the three prosthodontics divisions?

A

– Fixed prosthodontics
– Removable prosthodontics
* Complete
* Partial
– Maxillofacial prosthetics

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19
Q

What is a dental prosthesis?

A

artificial replacement of 1 or more teeth and/or associated structures

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20
Q

What is a fixed partial denture (FPD)?

A

– Prosthesis replacing teeth in partially dentate arch.
– Not designed to be removed by patient

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21
Q

What is a removable partial denture (RPD)?

A

– Prosthesis replacing teeth in partially dentate arch.
– Designed to be removed by patient

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22
Q

What is an abutment?

A

Tooth used to support prosthesis

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23
Q

What is a residual ridge?

A

– Residual bone & soft tissue covering that remains after tooth loss.
– Part of support for certain types of RPDs

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24
Q

What is centric relation?

A

Maxillomandibular relationship in which the condyles articulate with the thinnest avascular portion of their respective disks with the complex in the anterior-superior position against the slope of the articular eminence.

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25
Q

What position is independent of tooth contact?

A

CR

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26
Q

What is maximal intercuspal position?

A

– Position with complete intercuspation of opposing teeth.

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27
Q

What position is independent of condylar position?

A

maximal intercuspal position

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28
Q

What is a model?

A

reproduction for demonstration, accuracy not implied

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29
Q

What is a cast?

A

An accurate positive reproduction of the maxillary or mandibular arch

30
Q

What is a diagnostic cast?

A

Cast for the purpose of diagnosis & treatment planning

31
Q

What is a master cast?

A

Replica of teeth, residual ridges, & other parts of the dental arch used to fabricate dental restoration or prosthesis

32
Q

What is a tooth-supported RPD?

A

RPD that depends entirely on natural teeth for support

33
Q

What is a tooth-tissue supported RPD?

A

– RPD supported and retained by teeth at only one end.
– Denture base is supported by teeth & the residual ridge

34
Q

When should you make an RPD?

A
  • Edentulous area(s) too long or numerous for a fixed prosthesis
  • Need to restore lost soft and hard alveolar tissue, especially in the anterior region
  • Reduced periodontal support of remaining teeth
  • Need to distribute masticatory stresses across the dental arch: cross-arch stabilization
  • No posterior abutment tooth
  • Attitude & desires of patient (economic considerations)
  • Immediate replacement of teeth
35
Q

What are the disadvantages of RPDs?

A
  • Removable, not considered ‘part’ of patient
  • May be lost or broken
  • Clasps may be visible, less esthetic
  • May dislodge during function
  • May trap food while eating
36
Q

What is the height of contour on a tooth?

A

Line encircling a tooth that designates its greatest diameter at a selected position

37
Q

What is a suprabulge area?

A

Portion of tooth above the height of contour

38
Q

What is an infrabulge area?

A

– Portion of tooth below the height of contour
– May also be referred to as Undercut

39
Q

What is a kennedy class I?

A

Bilateral edentulous areas located posterior to the remaining natural teeth

40
Q

What class?

A

Class I

41
Q

What is a kennedy class II?

A

A unilateral edentulous area located posterior to the remaining natural teeth

42
Q

What is a kennedy class III?

A

A unilateral edentulous area with natural teeth remaining both anterior and posterior to it

43
Q

What is a kennedy class IV?

A

A single, but bilateral (crossing the
midline) edentulous area located anterior to the remaining natural teeth

44
Q

What class?

A

Class II

45
Q

What class?

A

Class III

46
Q

What class?

A

Class IV

47
Q

What is a modification space?

A

Edentulous areas other that those determining the classification.

48
Q

What are applegates rules?

A

Eight rules governing the application of the Kennedy Classification system

49
Q

Classification should follow rather than precede any ____________ of teeth that might alter the original classification

A

extractions

50
Q

If a third molar is missing and is not
to be replaced, it _______ considered
in the classification

A

is not

51
Q

If a third molar is present and is to be used as an abutment, it _____ considered in the classification

A

is

52
Q

What do you usually do in an RPD if the first molar is present but the 2nd and 3rd aren’t

A

Generally, if the first molar is present and the second and third molars are missing, the second and third molars are not replaced

53
Q

The most _________ edentulous area
(or areas) always determines the
classification

A

posterior

54
Q

Edentulous areas other than those determining the classification are referred to as _____________ and are designated by their number

A

modifications

55
Q

The extent of the modification is
not considered, only the __________
of additional edentulous areas is
considered

A

number

56
Q

There can be no modification areas in Class _____ arches

A

IV

  • Other edentulous areas lying posterior to the single bilateral area crossing the midline would instead determine the classification
57
Q

What class?

A

Class I Mod 2

58
Q

What class?

A

Class II Mod 1

59
Q

What class?

A

Class II Mod 1

60
Q

What class?

A

Class II Mod 2

61
Q

What class?

A

Class III Mod 1

62
Q

What class?

A

Class III Mod 1

63
Q

What class?

A

Class III Mod 1

64
Q

What is the craddock classification?

A

This classification is based upon the
denture type (not used often)
Type 1: Mucosa borne
Type 2: Tooth-borne
Type 3: Mucosa and tooth-borne

65
Q

What class?

A

Class III Mod 1

66
Q

What class?

A

Class I Mod 1

67
Q

What class?

A

Class III

68
Q

What class?

A

Class I

69
Q

What class?

A

Class II Mod 2

70
Q

What class?

A

Class II Mod 2

RPD (13 decks)

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