design of removable partial denture
TRANSCRIPT
Prosthodontics3rd Year
DESIGN OF REMOVABLE PARTIAL DENTURE
Dr. Loreidys Castañeda
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.
MAXILLARY CLASS I
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.
MANDIBULAR CLASS I
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.
MAXILLARY CLASS II
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.
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.
MAXILLARY CLASS III
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.
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.
MAXILLARY CLASS IV
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.
MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS I AND II
MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS I AND II MOVEMENT HOW TO AVOID
Intrusion Occlusal support.
Extrusion Retentive arm of direct retainers.Indirect retainers.
Ship (Hinge) Indirect retainers.Retentive arm of direct retainers.
Bounce Indirect retainers.
MOVEMENTS OF REMOVABLE PARTIAL DENTURES
MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS III MOVEMENT HOW TO AVOID
Intrusion Occlusal support.
Extrusion Retentive arm of direct retainers.Indirect retainers.
Ship (Hinge) Indirect retainers.Retentive arm of direct retainers.
MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS IVMOVEMENT HOW TO AVOID
Ship (Hinge) Mesial and distal retention.
Intrusion Occlusal support.
Extrusion Retentive arm of direct retainers.Mesial and distal retention.