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Treatment Planning > PDI > Flashcards

PDI Flashcards

1
Q

PDI:

A

Prosthodontics 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. improved screen tool for dental school admission clinics
  5. standardized criteria for outcomes assessment & research
  6. enhanced diagnostic consistency
  7. simplified aid in the decision-making processes associated with referral
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3
Q

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

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 edentualism:

“ideal or minimally compromised”

A

Class I

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5
Q

According to the classification system for complete edentualism:

“moderately compromised”

A

Class II

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6
Q

According to the classification system for complete edentualism:

“Substantially compromised”

A

Class III

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7
Q

According to the classification system for complete edentualism:

“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 edentulous areas
  4. residual ridge
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9
Q

According to the classification system for partial edentualism:

“ideal or minimally compromised”

A

Class I

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10
Q

According to the classification system for partial edentualism:

“moderately compromised”

A

Class II

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11
Q

According to the classification system for partial edentualism:

“Substantially compromised”

A

Class III

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12
Q

According to the classification system for partial edentualism:

“Severely compromised”

A

Class IV

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13
Q

A type A residual ridge puts patients in the _____ of partial edentulism

A

Class I

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14
Q

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

A

moderately compromised

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15
Q

Most common FPD to replace more than teeth with success:

A

Mandibular anterior FPD replacing 4 incisors

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16
Q

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

A

False- mandibular anterior 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 & lateral incisor (if replacing canine)

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18
Q

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

A

implant-supported single crown

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19
Q

____ is produced when FPD made to over-erupted opposing dentition

A

Occlusal interferences

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20
Q

Tilted molars abutments are considered:

A

poor abutments

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21
Q

-places abutment in better position for preparation
-distributes forces under loading 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 incisal guidance that has been established with provisional restorations or a diagnostic wax:

A

Custom incsial guide

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23
Q

Provides a record for the lab to create the desired anterior guidance in the produced prosthesis:

A

Custom incisal guide

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24
Q

In class II partial edentulism patient, the location and extend 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 compromised

-Complete edentulism moderately compromised

A

Class II

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27
Q

PDI Classification?

-Partial edentulism substantially 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- increased 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: no 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 & number of missing teeth (simple vs. complex)
  2. Splinted or pier abutment
  3. Non-parallel abutments
  4. Combined anterior & posterior FDP
36
Q

-Ideal or minimally compromised edentulous area, abutment condition and occlusion
-there is a single edentulous area in 1 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 & 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 sextnats

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 requiers 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 II partial edentulism

45
Q

PDI Classification?

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

A

Class III partial edentulism

46
Q

PDI Classification?

-any edentulous area including anterior and 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 intracoronal 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 & jaw relationship

A

Class III partial edentulism

51
Q

PDI Classification?

Patient is missing maxillary canine and two contiguous teeth

A

Class III partial edentulism

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 the OVD

A

Class IV partial edentulism

57
Q

PDI Classification?

PE
Occlusion: Class II division 2 and Class III molar & 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 Classification?

Dentate patient:
-no localized adjunctive therapy required
-pathosis that effects the coronal morphology of 3 or less teeth- 1 sextant

A

Class I dentate

60
Q

PDI Classification?

Dentate patient:
-no pre-prosthetic therapy required
-contiguous, intact dental arches
-class I molar and jaw relationships

A

Class I dentate

61
Q

A single anterior crown on a fully dentate patient:

A

Class I dentate

62
Q

PDI Classification?

Dentate patient:
-insufficient tooth structure to retain or support intra- or extracoronal restorations- 1 sextant (pin retained core/post-core)

A

Class II dentate

63
Q

PDI Classification?

Dentate patient:
-pathosis that affects coronal morphology of 4 or more teeth in a sextant

A

Class II dentate

64
Q

PDI Classification?

Dentate patient:
-pathosis can be in 2 sextants and can be in 4 opposing arches

A

Class II dentate

65
Q

PDI Classification?

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 Classification?

Dentate patient:
Occlusion- occlusal scheme requires localized adjunctive therapy (enameloplasty on premature contacts)

A

Class II dentate

67
Q

PDI Classification?

Dentate patient:
Occlusion- anterior guidance is intact
-Class I molar & jaw relationships

A

Class II dentate

68
Q

PDI Classification?

Dentate patient:
-insufficient tooth structure to retain or support intracoronal or extracoronal restoration - 2 sextants

A

Class III dentate

69
Q

PDI Classification?

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 Classification?

Dentate patient:
-pathosis can be in 3 sextants in the same arch and/or in opposing arches

A

Class III dentate

71
Q

PDI Classification?

Dentate patient:
-teeth require more substantial localized adjunctive therapy (periodontal, endodontic or orthodontic procedures) for teeth in 2 sextants

A

Class III dentate

72
Q

PDI Classification?

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 Classification?

Dentate patient:
-insufficient tooth structure to retain or support intra- or extracoronal restorations- 3 or more sextants

A

Class IV dentate

74
Q

PDI Classification?

Dentate patient:
-pathosis affects coronal morphology of greater than or equal to 4 teeth in all sextants

A

Class IV dentate

75
Q

PDI Classification?

Dentate patient:
-teeth in greater than or equal to 4 sextants require extensive adjunctive therapy

A

Class IV dentate

76
Q

PDI Classification?

Dentate patient:
-Occlusal scheme requires major therapy to re-establish the entire occlusal scheme including any changes in the OVD

A

Class IV dentate

77
Q

PDI Classification?

Dentate patient:
-Class II division II malocclusion
-Class molar & jaw relationships

A

Class IV dentate

Treatment Planning (5 decks)

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