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Treatment Planning > Prosthodontic Diagnostic Index > Flashcards

Prosthodontic Diagnostic Index Flashcards

1
Q

What is the advantage of a classification system?

A

Comprehensive evaluation and Assessment of all necessary parameters to help in Diagnosis, Treatment, and Prognosis

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2
Q

What are examples of classification systems?

A
  • ASA
  • Kennedy’s classification of edentulous space and Applegate’s rules
  • Other disciplines have classification systems
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3
Q

What are the potential benefits of the prosthodontic diagnostic index (PDI)?

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 and
(7) a simplified aid in the decision-making process associated with referral

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4
Q

What are the 3 classifications in the prosthodontic diagnostic index (PDI)?

A

edentulous, partially edentulous, dentate

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5
Q

What are the four categories in each classification in the prosthodontic diagnostic index (PDI)?

A

class I - class IV

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6
Q

What is a class I category?

A

an uncomplicated clinical situatio

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7
Q

What is a class IV category?

A

represents a complex clinical situation

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8
Q

What are the diagnostic criteria for deciding the classifications for complete edentulism?

A
  1. Bone Height (mandibular)
  2. Residual Ridge Morphology (maxilla)
  3. Muscle Attachments (mandibular)
  4. Maxillomandibular Relation
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9
Q

What are the diagnostic criteria for deciding the classifications for partial edentulism?

A
  1. Abutment Condition
  2. Occlusal Scheme
  3. Location / Extent Edentulous Areas
  4. Residual Ridge
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10
Q

What are the modifiers for all classifications?

A
  • Esthetic concerns / challenges
  • Presence of TMD symptoms
  • Oral manifestations of systemic disease
  • Psychosocial factors
  • Maxillofacial defects
  • Ataxia
  • Refractory Patient
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11
Q

What should the location and extend of edentulous area be for class I partial edentulism?

A
  • ideal or minimally compromised

edentulous area confined to a single arch and may include:
* anterior maxillary span that does not exceed 2 incisors,
* anterior mandibular span that does not exceed 4 missing incisors,or
* posterior span that does not exceed 2 premolars or 1 premolar and 1 molar

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12
Q

What should the abutment condition be for class I partial edentulism?

A
  • ideal or minimally compromised
    no need for pre-prosthetic therapy
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13
Q

What should the occlusion be for class I partial edentulism?

A
  • ideal or minimally compromised
  • no need for pre-prosthetic therapy
  • Class I molar and jaw relationships.
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14
Q

What are the biomechanical considerations for partial fixed dental prosthesis (FDP)?

A
  • Number of abutment teeth and number of missing teeth (simple vs complex)
  • Splinted or pier abutment
  • Non-parallel abutments
  • Combined anterior and posterior FDP
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15
Q

In a class I partial edentulist the residual ride is considered type…

A

A

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16
Q

In a class I partial edentulist there is a single edentulous area in ___ sextant

A

1

17
Q

What is the most common FDP to replace more than two teeth with success?

A

mandibular anterior FDP

18
Q

What has a better prognosis: mandibular or maxillary?

A

mandibular

19
Q

What are the weakest potential abutments for an anterior FDP with canines?

A

Adjacent premolar and lateral incisor

20
Q

With a maxillary anterior replacement the forces are directed?

A

outside inter-abutment axis & directed outward

21
Q

In a class II partial edentulist what is the location and extent of the edentulous area?

A
  • anterior maxillary span that does not exceed 2 incisors
  • anterior mandibular span that does not exceed 4 missing incisors
  • posterior span that does not exceed 2 premolars or 1 premolar and 1 molar
  • Any missing canine (maxillary or mandibular)
22
Q

In a class II partial edentulist what is the abutment condition?

A

*Insufficient tooth structure to retain or support intracoronal or extracoronal restorations – 1 or 2 sextants
*Abutments in 1 - 2 sextants require localized adjunctive therapy (minor)

23
Q

In a class II partial edentulist what is the occlusion?

A

*Occlusion requires localized adjunctive therapy (enameloplasty – prematurities)
*Class I molar and jaw relationships are seen.

24
Q

What should you consider when replacing missing canines?

A
  • Adjacent premolar and lateral incisor are weakest potential abutments
  • Maxillary replacement – forces outside inter-abutment axis & directed outward
  • Best restored with implant-supported single crown
25
Q

Occlusal interferences produced when FDP made to…

A

over-erupted opposing dentition

26
Q

What are the problems with tilted molar abutments?

A
  • Generally poor abutments
  • Mesial wall must be over-reduced/overtapered (↓ resistance)
  • Distal adjacent tooth may intrude on the path of insertion
    —Mesial surface may need re-contouring or restoration or extraction
    —Consider orthodontic uprighting (3rd molar extraction)
27
Q

What is molar uprighting?

A
  • 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
28
Q

What does a tilted molar abutment: non-rigid attachment do?

A
  • Allows slight movement - short span
  • Keyway in distal of premolar to avoid intrusion of molar (mesial seating action)
  • Must prepare box in distal of premolar preparation
    —(To accommodate the female / keyway)
29
Q
A
30
Q

What is the custom incisal guide for?

A
  • The custom incisal guide provides a record of the incisal guidance that has been established with provisional restorations or a diagnostic wax-up.
  • The custom incisal guide table provides a record for the lab to create the desired anterior guidance in the produced prostheses.
31
Q

In a class III partial edentulist what is the location and extent of the edentulous area?

A

*1 or both arches; compromised support of abutment teeth
*Posterior maxillary or mandibular edentulous area > 3 teeth or 2 molars
*Any edentulous areas including anterior and posterior areas of 3 or more teeth

32
Q

In a class III partial edentulist what is the abutment condition?

A

*Insufficient tooth structure to retain or support intracoronal or extracoronal restorations – 3 sextants
*More substantial localized adjunctive therapy (perio, endo, ortho treatments) – 3 sextants

33
Q

In a class III partial edentulist what is the occlusion?

A

*Entire occlusion must be re-established, but without any change in the occlusal vertical dimension.
*Class II molar and jaw relationships are present

34
Q
A

Treatment Planning (6 decks)

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