1 FIXED PARTIAL DENTURES
1 FIXED PARTIAL DENTURES
1 FIXED PARTIAL DENTURES
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Relation of Tooth Loss to the Edentulous Ridge<br />
Gross soft tissue defects<br />
Knife-edge ridge<br />
Loss of interdental papillae<br />
• Traumatic injury<br />
• Ablative surgery<br />
Indications for a Fixed Partial Denture<br />
Contraindications for Fixed Partial Dentures<br />
• Replace function of missing teeth<br />
• Stabilize occlusion<br />
– drifting, prematurities<br />
• Provide esthetics and phonetics<br />
• Comfort<br />
• Properly distributed abutments<br />
• Both ends of edentulous space<br />
• Reasonable span length<br />
• Biomechanically solid abutments<br />
• Restorable<br />
• Periodontally stable<br />
• No apical pathosis (vital or RCT)<br />
• Long edentulous spans / no distal abutment / non-restorable abutment<br />
• Poor 1 o abutments: tipped teeth / divergent alignment / periodontally<br />
weakened / short clinical crowns / insufficient # abutments<br />
• Unresolved periodontal disease / high caries index and risk<br />
• Severe loss of tissue in edentulous ridge<br />
• Minimally restored teeth where an implant retained restoration is<br />
preferable.<br />
Selection of the Type of Prosthesis for<br />
the Partially Edentulous Patient<br />
• Removable Partial Denture<br />
• Tooth-Supported Fixed Partial Denture (FPD)<br />
– Resin-Bonded Fixed Partial Denture<br />
– Cantilever Fixed Partial Denture<br />
• Implant-Supported Fixed Partial Denture<br />
• Factors to consider<br />
– Biomechanical, periodontal, esthetic, financial<br />
– Treatment simplification<br />
Treatment Options for Tooth Loss<br />
Removable Partial Denture (RPD)<br />
• Long edentulous spans / no distal abutment / multiple<br />
edentulous spaces<br />
• Tipped / widely divergent abutments / few abutments<br />
• Periodontally weakened 1 o abutments<br />
• Severe loss of tissue in residual ridge<br />
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