Design of removable partial denture
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This document discusses the design considerations for different classes of removable partial dentures. It covers key aspects like location of retention, types of direct and indirect retainers, major connectors, bases, and how to avoid undesirable movements. The classes covered are maxillary and mandibular Class I-IV removable partial dentures. Design features are tailored based on tooth support and location of tooth loss for each class.
Design of removable partial denture
- 1. Prosthodontics 3rd Year DESIGN OF REMOVABLE PARTIAL DENTURE Dr. Loreidys Castañeda
- 2. MAXILLARY CLASS I TOOTH - TISSUE SUPPORT Location of the retention: Distal. Direct Retainers: Bar clasp, back action. Indirect retainers: Double rest. Major Connector: Complete palatal coverage. Base: Maximum support.
- 4. MANDIBULAR CLASS I TOOTH - TISSUE SUPPORT Location of the retention: Distal. Direct Retainers: Bar clasp, back action. Indirect retainers: Double rest. Major Connector: Lingual bar, lingual plate. Base: Maximum support.
- 6. MAXILLARY CLASS II TOOTH - TISSUE SUPPORT Location of the retention: Distal. Direct Retainers: Back action, bar clasp, circumferential. Indirect retainers: Occlusal rest. Major Connector: Single broad straps Base: Maximum support.
- 8. MANDIBULAR CLASS II TOOTH - TISSUE SUPPORT Location of the retention: Distal. Direct Retainers: Back action, bar clasp, circumferential. Indirect retainers: Occlusal rest. Major Connector: Bar, lingual plate Base: Maximum support.
- 9. MAXILLARY CLASS III TOOTH SUPPORT Location of the retention: Distal, mesial. Direct Retainers: Circumferential, back action, bar clasp. Indirect retainers: Circumferential. Major Connector: Bar, straps. Base: Minimal extension.
- 11. MANDIBULAR CLASS III TOOTH SUPPORT Location of the retention: Distal, mesial. Direct Retainers: Circumferential, bar clasp, back action. Indirect retainers: Circumferential. Major Connector: Bar. Base: Minimal extension.
- 12. MAXILLARY CLASS IV TOOTH SUPPORT Location of the retention: Mesial, distal. Direct Retainers: Back action, bar clasp, circumferential. Indirect retainers: Circumferential. Major Connector: U- shape, bar. Base: Minimal or maximal extension.
- 14. MANDIBULAR CLASS IV TOOTH SUPPORT Location of the retention: Mesial, distal. Direct Retainers: Bar clasp, back action, circumferential. Indirect retainers: Circumferential. Major Connector: Lingual bar. Base: Minimal or maximal extension.
- 15. MOVEMENTS OF REMOVABLE PARTIAL DENTURES CLASS I AND II
- 16. MOVEMENTS OF REMOVABLE PARTIAL DENTURES CLASS I AND II MOVEMENT HOW TO AVOID Intrusion Occlusal support. Retentive arm of direct retainers. Extrusion Indirect retainers. Indirect retainers. Ship (Hinge) Retentive arm of direct retainers. Bounce Indirect retainers.
- 17. MOVEMENTS OF REMOVABLE PARTIAL DENTURES
- 18. MOVEMENTS OF REMOVABLE PARTIAL DENTURES CLASS III MOVEMENT HOW TO AVOID Intrusion Occlusal support. Retentive arm of direct retainers. Extrusion Indirect retainers. Indirect retainers. Ship (Hinge) Retentive arm of direct retainers.
- 19. MOVEMENTS OF REMOVABLE PARTIAL DENTURES CLASS IV MOVEMENT HOW TO AVOID Ship (Hinge) Mesial and distal retention. Intrusion Occlusal support. Retentive arm of direct retainers. Extrusion Mesial and distal retention.