Introduction and basic components of rpd's copy

The UCLA - RPI System per Kratochvil ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction and Basic Principles ,[object Object],[object Object],[object Object],[object Object],[object Object],This program of instruction is protected by copyright ©. No portion of this program of instruction may be reproduced, recorded or transferred by any means electronic, digital, photographic, mechanical etc., or by any information storage or retrieval system, without prior permission.

The Partially Edentulous Patient A turning point in the life of the dentition ,[object Object],[object Object],Courtesy T. Berg

The Partially Edentulous Patient A turning point in the life of the dentition ,[object Object],[object Object]

The Ucla philosphy of RPD design (The RPI system per Professor FJ Kratochvil) ,[object Object],[object Object],[object Object],[object Object]

A typical partially edentulous patient ,[object Object],[object Object],[object Object],[object Object]

The Partially Edentulous Patient ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A typical partially edentulous patient - Goals ,[object Object],[object Object],[object Object]

Objectives of treatment of the partially edentulous ,[object Object],[object Object],[object Object],[object Object],[object Object]

Objectives of treatment of the partially edentulous ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Methods to accomplish these objectives: ,[object Object],[object Object]

Methods to accomplish these objectives: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Methods to accomplish these objectives : ,[object Object],[object Object],[object Object],[object Object],[object Object]

Methods to accomplish these objectives: ,[object Object],[object Object],[object Object]

Methods to accomplish these objectives: ,[object Object],[object Object],[object Object],[object Object],Courtesy Dr. A. Davodi

Methods to accomplish these objectives ,[object Object],[object Object]

Methods to accomplish these objectives ,[object Object]

Methods to accomplish these objectives What is the role of endodontics?? ,[object Object],[object Object],[object Object],[object Object]

Methods to accomplish these objectives What is the role of endodontics?? ,[object Object],[object Object],[object Object],[object Object],Tooth # 12 was treated endodontically. Note the absence of a rest (arrow).

Methods to accomplish these objectives What is the role of endodontics?? ,[object Object],[object Object],[object Object]

Methods to accomplish these objectives What is the role of endodontics?? ,[object Object]

Current Concepts of Removable Partial Denture Design ,[object Object],[object Object]

The Future of RPD’s is Bright! ,[object Object],[object Object],[object Object],[object Object]

RPD Indications ,[object Object],[object Object],[object Object],[object Object]

RPD Indications ,[object Object],[object Object],[object Object]

Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object]

What about implants? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],(Bassi et al, 1996) Probably less than 3% of all partially edentulous patients in the United States will be restored with implant therapy

RPD’s and compromise of the remaining dentition ,[object Object],[object Object],[object Object],[object Object]

Patient Satisfaction – RPD’s ,[object Object],[object Object],[object Object],[object Object],[object Object],(Frank et al, 1998) This a remarkable finding particularly when you consider that most RPD’s are improperly designed and fabricated.

RPD Quality Control ,[object Object],[object Object],[object Object],[object Object],[object Object]

Prosthodontic Education ,[object Object],[object Object],[object Object],* ADEA Implant Workshop Survery, 2004

Why consider RPD’s ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Kapur et al, 1989 Budtz-Jorgenson et al, 1990

RPD’s vs Implants Mastication efficiency ,[object Object],Kapur et, al,1993

Conclusions Kapur et, al,1993 ,[object Object],[object Object],[object Object],[object Object]

Limiting factors for placement of implants Posterior maxilla and mandible ,[object Object],[object Object]

Sinus Lift and Graft This procedure has shown good predictability

Sinus Lift and Graft This patient was restored following a sinus lift and graft. Autogenous chin bone was used. She is 10 years post treatment and doing well. Success rates over 85% at 5 year followup ,[object Object],[object Object]

Distraction Osteogenesis ,[object Object],[object Object],[object Object],Slide courtesy Dr. R. Nishimura

*Removable Partial Dentures* Removable partial dentures provide the patient with masticatory function equivalent to that obtained with an implant supported fixed partial denture and this service should be offered to the patient before grafting is considered.

Posterior Mandible – Limiting Factors ,[object Object],[object Object]

Many patients such as this one, present with moderate to severe resorption precluding placement of implants unless the inferior alveolar nerve displaced. Posterior Mandible – Limiting Factors

Displacement of the Inferior Alveolar Nerve This procedure enables placement of implants of sufficient length with bicortical anchorage. The morbidities associated with injury may be severe. Therefore, these issues must be thoroughly discussed with the patient before proceeding with the procedure.

Bone Augmentation ,[object Object],[object Object],[object Object],[object Object],B A

Use of Short Wide Diameter Implants in the Posterior Mandible Length is more important than width. Short wide diameter implants appear to be susceptible to overload when used in linear configurations such as shown here. 2 years 5 years

*Removable Partial Dentures* Removable partial dentures provide the patient with masticatory function equivalent to that obtained with an implant supported fixed partial dentures and this should treatment be offered to the patient before grafting is considered. Courtesy Dr. A. Davodi

The Basic Principles of Removable Prosthodontics ,[object Object],[object Object],[object Object],Our goal is to provide these phenomenon for our removable partial dentures within the physiologic limits of the remaining dentition and edentulous mucosal bearing surfaces.

Principles of RPD design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A rigid extension of a partial denture which contacts a remaining tooth in a prepared rest seat to transmit vertical or horizontal forces .

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],That component of a removable partial denture used to prevent dislodgement, consisting of a clasp assembly or precision attachment

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],That part of a removable partial denture that joins the components on one side of the arch to those on the opposite side.

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The connecting link between the major connector or base of the removable partial denture and the other units of the prosthesis, such as the clasp assembly, indirect retainers, occlusal rests, or cingulum rests

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A plate of metal in contact with the proximal surface of an abutment tooth

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],That part of the framework to which the resin denture base is connected

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Function: Retain denture base

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],That part of denture that rests on the foundation tissues and to which the teeth are attached

Components of a Removable Partial Dentures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Introduction and basic components of rpd's copy

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Introduction and basic components of rpd's copy