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Treatment Planning > PDI > Flashcards

PDI Flashcards

1
Q

PDI:

A

Prosthedontic Diagnostic Index

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2
Q

What are the potential benefits of the PDI System? (7)

A
  1. improved intraoperator consistency
  2. improved professional communication
  3. insurance reimbursement commensurate with complexity of care
  4. an improved screening tool for dental school admission clinics
  5. standardized criteria for outcomes assessment and research
  6. enhanced diagnostic consistency
  7. a simplified aid in the decision-making process associated with referral
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3
Q

What is the diagnostic criteria to determine the classification for complete edentulism?

A
  1. bone height (mandibular)
  2. residual ridge morphology (maxilla)
  3. muscle attachments (mandibular)
  4. maxillomandibular relation
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4
Q

According to the classification system for complete edentulism-

“Ideal or minimally compromised”

A

Class I

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5
Q

According to the classification system for complete edentulism-

“Moderately compromised”

A

Class II

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6
Q

According to the classification system for complete edentulism-

“Substantially compromised”

A

Class III

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7
Q

According to the classification system for complete edentulism-

“Severely Compromised”

A

Class IV

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8
Q

What is the diagnostic criteria to determine the classification for partial edentulism?

A
  1. Abutment condition
  2. Occlusal scheme
  3. Location/extent of edentulous areas
  4. Residual ridge
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9
Q

According to the classification system for partial edentulism-

“Ideal or minimally compromised”

A

Class I

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10
Q

According to the classification system for partial edentulism-

“Moderately compromised”

A

Class II

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11
Q

According to the classification system for partial edentulism-

“Substantially compromised”

A

Class III

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12
Q

According to the classification system for partial edentulism-

“Severely compromised”

A

Class IV

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13
Q

A type A residual ridge puts patients in the ____ category of partial edentulism

A

class I

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14
Q

In class II partial edentulism, the {location and extent of the edentulous area} is:

A

Moderately compromised

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15
Q

Most common FDP to replace more than 2 teeth with success:

A

Mandibular anterior FDP replacing 4 incisors

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16
Q

T/F: A maxillary anterior FPD has a better prognosis than a mandibular FPD:

A

False- mandibular FPD has a better prognosis

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17
Q

What are the weakest posterior abutments for a mandibular anterior FPD?

A

adjacent premolar and lateral incisor (if replacing canine)

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18
Q

For a replacement of a maxillary missing canine, best rested with:

A

implant-supported single crown

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19
Q

_____ are produced when FPD made to over-erupted opposing dentition

A

Occlusal interferences

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20
Q

Tilted molar abutments are considered:

A

poor abutments

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21
Q
  • places abutment in better position for preparation
  • distributes forces under landing through long axis of tooth (helps prevent/eliminate mesial bony defects)
  • enables replacement of optimum occlusion
A

molar uprighting

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22
Q

Provides a record of the incisal guidance that has been established with provisional restorations or a diagnostic wax-up:

A

Custom incisal guide

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23
Q

Provides a record for the alb to create the desired anterior guidance in the reduced prostheses:

A

Custom incisal guide

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24
Q

In a class III partial edentulism patient, the location and extent of the edentulous area is:

A

substantially compromised

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25
Q

PDI Classification?

  • partial edentulism ideal or minimally compromised
  • complete edentulism ideal or minimally compromised
A

Class I

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26
Q

PDI Classification?

  • partial edentulism moderately compromise
  • complete edentullism moderately compromised
A

Class II

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27
Q

PDI Classification?

  • partial edentulism substanially compromised
  • complete edentulism substantially compromised
A

Class III

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28
Q

PDI Classification?

  • partial edentulism severely compromised
  • complete edentulism severely compromised
A

Class IV

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29
Q

Modifiers for all classifications: Increase complexity and classification level: (7)

A
  1. esthetic concerns/ challenges
  2. presence of TMD symptoms
  3. oral manifestations of systemic disease
  4. psychosocial factors
  5. maxillofacial defects
  6. ataxia
  7. refractory patient
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30
Q

PDI Classification?

  • edentulous area confined to a single arch
  • anterior maxillary span that does not exceed 2 incisors
A

Class I

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31
Q

PDI Classification?

  • edentulous area confined to a single arch
  • anterior mandibular span that does not exceed 4 missing incisors
A

Class I

32
Q

PDI Classification?

  • edentulous area confined to a single arch
  • posterior span that does not exceed 2 premolars or 1 premolar + 1 molar
A

class I

33
Q

PDI Classification?

abutment condition- no need for pre-prosthetic therapy

A

Class I

34
Q

PDI Classification?

Occlusion:

  • non need for pre-prosthetic therapy
  • class I molar and jaw relationships
A

Class I

35
Q

Biomechanical considerations for partial fixed dental prosthesis (FDP): (4)

A
  1. number of abutment teeth and number of missing teeth (simple vs. complex)
  2. splinted or pier abutment
  3. non-parallel abutments
  4. combined anterior and posterior FDP
36
Q
  • Ideal or minimally compromised edentulous area, abutment condition, and occlusion
  • There is a single edentulous area in one sextant
  • The residual ridge is considered type A
A

Class I partial edentulism

37
Q

PDI Classification?

  • Both arches have edentulous spaces
  • Anterior maxillary span that does not exceed 4 missing incisors
A

Class II partial edentulism

38
Q

PDI Classification?

  • Both arches have edentulous spaces
  • Anterior mandibular span that does not exceed 4 missing incisors
A

Class II partial edentulism

39
Q

PDI Classification?

  • Both arches have edentulous spaces
  • Posterior span that does not exceed 2 premolars or 1 premolar + 1 molar
A

Class II partial edentulism

40
Q

PDI Classification?

  • Both arches have edentulous spaces
  • Any missing canine maxillary or mandibular
A

Class II partial edentulism

41
Q

PDI Classification?

PE

Abutment condition: insufficient tooth structure to retain or support intracoronal or extracoronal restorations - 1 or 2 sextants

A

Class II partial edentulism

42
Q

PDI Classification?

PE

Abutment condition: abutments in 1-2 sextants require localized adjunctive therapy (minor)

A

Class II partial edentulism

43
Q

PDI Classification?

PE

Occlusion:

  • occlusion requires localized adjunctive therapy (enameloplasty- prematurities)

Class I molar and jaw relationships are seen

A

Class II partial edentulism

44
Q

PDI Classification?

  • 1 or both arches; compromised support of abutment teeth
A

Class III Partial edentulism

45
Q

PDI Classification?

  • Posterior maxillary or mandibular edentulous area greater than 3 teeth or 2 molars
A

Class III Partial Edenulism

46
Q

PDI Classification?

  • Any edentulous area including anterior posterior areas of 3 or more teeth
A

Class III partial edentulism

47
Q

PDI Classification?

PE:

Abutment condition: Insufficient tooth structure to retain or support inctracoronal or extracoronal restorations - 3 sextants

A

Class III partial edentulism

48
Q

PDI Classification?

PE:

Abutment condition: more substantial localized adjunctive therapy (perio, endo, ortho treatments) - 3 sextants

A

Class III partial edentulism

49
Q

PDI Classification?

PE

Occlusion: entire occlusion must be re-established but without any change in OVD

A

Class III partial edentulism

50
Q

PDI Classification?

PE

Occlusion: class II molar and jaw relationships

A

Class III partial edentulism

51
Q

patient is missing maxillary canine and 2 continuous teeth:

A

Class III partially edentulous

52
Q

PDI Classification?

Any edentulous area or combination of edentulous areas requiring a high level of patient compliance

A

Class IV partial edentulism

53
Q

PDI Classification?

PE

Abutment condition:
- abutments in 4 or more sextants have insufficient tooth structure to retain or support intracoronal or extracoronal restorations

A

Class IV partial edentulism

54
Q

PDI Classification?

PE

Abutment condition:
- abutments in 4 or more sextants require extensive adjunctive therapy (periodontal, endodontic or orthodontic procedures)

A

Class IV partial edentulism

55
Q

PDI Classification?

PE

Abutment condition:
- abutments have guarded prognosis

A

Class IV partial edentulism

56
Q

PDI Classification?

PE

Occlusion:
Entire occlusion must be re-established, including changes in the OVD

A

Class IV partial edentulism

57
Q

PDI Classification?

PE

Occlusion:
Class II division 2 and Class III molar and jaw relationships are seen

A

Class IV partial edentulism

58
Q

What is the diagnostic criteria for a completely dentate patient?

A
  1. tooth condition
  2. occlusal scheme
59
Q

PDI? Dentate patient

  • no localized adjunctive therapy required
  • pathosis that affects the coronal morphology of three or less teeth; one sextant
A

Class I dentate patient

60
Q

PDI? Dentate patient

  • no pre-prosthetic therapy required
  • contiguous intact dental arches
  • class I molar and jaw relationships
A

Class I dentate patient

61
Q

A single anterior crown on a fully dentate patient:

A

Class I Dentate`

62
Q

PDI? Dentate patient

  • insufficient tooth structure to retain or support intra or extracoronal restorations- one sextant (pin-retained core/ post-core)
A

Class II dentate

63
Q

PDI? Dentate patient

  • Pathosis that affects coronal morphology of 4 or more teeth in a sextant
A

Class II dentate

64
Q

PDI? Dentate patient

  • Pathosis can be in 2 sextants and can be in 4 opposing arches
A

Class II dentate

65
Q

PDI? Dentate patient

  • Teeth require localized adjunctive therapy (periodontal, endodontic, or orthodontic procedures for a single tooth or in a single sextant)
A

class II dentate

66
Q

PDI? Dentate patient

Occlusion:

  • occlusal scheme requires localized adjunctive therapy (enameloplasty on premature occlusal contact)
A

Class II dentate

67
Q

PDI? Dentate patient

occlusion:

  • anterior guidance is in tact
  • class I molar and jaw relationships
A

Class II dentate

68
Q

PDI? Dentate patient

  • Insufficient tooth structure to retain or support intracoronal or extracoronal restoration - 2 sextants
A

Class III dentate

69
Q

PDI? Dentate patient

  • Pathosis that affects the coronal morphology of 4 or more teeth in 3 or more sextants
A

Class III dentate

70
Q

PDI? Dentate patient

  • Pathosis can be in 3 sextants in the same arch and/ or in opposing arches
A

Class III dentate

71
Q

PDI? Dentate patient

  • Teeth require more substantial localized adjunctive therapy (periodontal, endodntic, or orthodontic procedures for teeth in two sextants)
A

Class III dentate

72
Q

PDI? Dentate patient

Occlusion: occlusal scheme requires major therapy to maintain the entire occlusal scheme without any changes in OVD:

A

Class III dentate

73
Q

PDI? Dentate patient

  • insufficient tooth structure to retain or support intra or extracoronal restorations- 3 or more sextants
A

Class IV Dentate

74
Q

PDI? Dentate patient

  • pathosis affects coronal morphology of greater than or equal to 4 teeth in all sextants
A

Class IV dentate

75
Q

PDI? Dentate patient

  • Teeth in greater than or equal to 4 sextants require extensive adjunctive therapy
A

Class IV dentate

76
Q

PDI? Dentate patient

  • occlusal scheme requires major therapy to re-establish the entire occlusal scheme including any changes in OVD
A

Class IV dentate

77
Q

PDI? Dentate patient

  • Class II division II malocclusion
  • Class III molar and jaw relationships
A

Class IV dentate

Treatment Planning (7 decks)

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