Designofremovable partial denture
Transcript of Designofremovable partial denture
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Prosthodontics3rd Year
DESIGN OF REMOVABLE PARTIAL DENTURE
By:Ahmed Ali Abbas
theoptimalsmile.wix.com
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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.
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MAXILLARY CLASS I
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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.
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MANDIBULAR CLASS I
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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.
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MAXILLARY CLASS II
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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.
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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.
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MAXILLARY CLASS III
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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.
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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.
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MAXILLARY CLASS IV
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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.
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MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS I AND II
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MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS I AND II
MOVEMENT HOW TO AVOID
Intrusion Occlusal support.
ExtrusionRetentive arm of direct retainers.Indirect retainers.
Ship (Hinge)Indirect retainers.Retentive arm of direct retainers.
Bounce Indirect retainers.
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MOVEMENTS OF REMOVABLE PARTIAL DENTURES
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MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS III
MOVEMENT HOW TO AVOID
Intrusion Occlusal support.
ExtrusionRetentive arm of direct retainers.Indirect retainers.
Ship (Hinge)Indirect retainers.Retentive arm of direct retainers.
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MOVEMENTS OF REMOVABLE PARTIAL DENTURES
CLASS IV
MOVEMENT HOW TO AVOID
Ship (Hinge) Mesial and distal retention.
Intrusion Occlusal support.
ExtrusionRetentive arm of direct retainers.Mesial and distal retention.