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Volume 9 , Issue 6
November/December 1994

Pages 711-718

Free-Standing vs Tooth-Connected Implant Supported Fixed Partial Restorations: A Comparative Retrospective Clinical Study of the Prosthetic Results

Fabrizio Cavicchia, DDS/Fabrizio Bravi, DDS

The opportunity to connect implants and teeth has been discussed in the literature. A comparative retrospective study was performed to evaluate the prosthetic results obtained in our clinical experience with 31 free-standing and 30 tooth-connected posterior IMZ implant-supported fixed partial dentures. Complications such as the loosening and fracture of fixation screws and abutments, ceramic fractures, and natural tooth migration were observed. A significant difference in the incidence and types of such complications in the two groups was found: problems occurred more frequently and in a different pattern with the free-standing compared to tooth connected restorations. Possible explanations for this dissimilar behavior are discussed. (INT J ORAL MAXILLOFAC IMPLANTS 1994;9:711-718)

Key words: complications, free-standing, implant-supported fixed partial dentures, intramobile elements, proprioception, tooth-connected

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