5 - PDI Flashcards
What does PDI stand for?
Prosthodontic Diagnostic Index
What are diagnostic criteria for partial edentulism?
- Abutment condition
- Occlusal scheme
- Location/extend edentulous areas
- Residual ridge
What is the location criteria for partial edentulism class I?
Single arch
- single edentulous area in 1 sextant
- Anterior max <2 incisors
- Anterior mand <4 incisors
- Posterior <2 PM or 1PM + 1 Molar
What is the abutment criteria for partial edentulism class I?
No need for pre-prosth therpay
What is the occlusion criteria for partial edentulism class I?
Class I relationship
What is the residual ridge criteria for partial edentulism class I?
Class I
What is the location criteria for partial edentulism class II?
Both arches and one of the following:
- anterior max < 2 incisors
- anterior mand < 4 incisors
- Posterior < 2 PM or 1PM and 1 molar
- any missing canine!!
What is the abutment criteria for partial edentulism class II?
Abutment in 1-2 sextants
What is the occlusion criteria for partial edentulism class II?
Class I relationship
What is the residual ridge criteria for partial edentulism class II?
Class II
What is the location criteria for partial edentulism class III?
1 or both arches
- anterior + posterior areas of 3 or more teeth
- posterior max or mand edentulous area of > 3 teeth or 2 molars
What is the abutment criteria for partial edentulism class III?
Abutment in 3 sextants
What is the occlusion criteria for partial edentulism class III?
- Class II relationship
- NO change in VDO
What is the residual ridge criteria for partial edentulism class III?
Class III
What is the location criteria for partial edentulism class IV?
any edentulous area or combo of edentulous areas requiring a high level of patient compliance
What is the abutment criteria for partial edentulism class IV?
Abutments in 4 or more sextants
What is the occlusion criteria for partial edentulism class IV?
- Class II division 2
- Class III
- Change in VDO
What is the residual ridge criteria for partial edentulism class IV?
Class IV
What are diagnostic criteria for dentate?
- Tooth condition
- Occlusal scheme
What is the tooth condition criteria for dentate class I?
- ideal or minimally compromised
- no localized adjunctive therapy
- pathosis that affects 3 teeth or less; 1 sextant
What is the occlusal scheme criteria for dentate class I?
- No pre-prosthetic therapy
- intact dental arches
- Class I relationship
What is the tooth condition criteria for dentate class II?
- moderately compromised
- insufficient tooth structure in 1 sextant
- pathosis of 4 or more teeth in 1 sextant
- teeth require perio, endo, ortho therapy for a single tooth in 1 sextant
What is the occlusal scheme criteria for dentate class II?
- anterior guidance intact
- Class I relationship
What is the tooth condition criteria for dentate class III?
- substantially compromised
- insufficient tooth structure in 2 sextants
- pathosis of 4 or more teeth in 3 or more sextants
- teeth require substantial localized therapy in 2 sextants
What is the occlusal scheme criteria for dentate class III?
Major therapy WITHOUT changes in VDO
What is the tooth condition criteria for dentate class IV?
- severely compromised
- insufficient tooth structure to retain or support restoration in 3 sextants
- pathosis of >4 teeth in all sextants
- teeth in >4 sextants require therapy
What is the occlusal scheme criteria for dentate class IV?
- severely compromised occlusal scheme INCLUDING changes in VDO
