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J Oral Implantol. 2011 Sep 9. doi: 10.1563/AAID-JOI-D-11-00071. Epub 2011 Sep 9.

WITHDRAWN: Immediate placement and provisionalization of implant-supported, single-tooth restorations: a retrospective study.

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New York University, Clinical Associate Professor, Periodontics and Implant Dentistry, Clinical Associate ProfessorNew York University, College of Dentistry.


Immediate implant placement into extraction sockets has been widely reported in the dental literature, but few studies have evaluated the immediate loading of such implants. In this retrospective study, we evaluated 235 implants placed into fresh extraction sites utilizing a flapless technique, followed by immediate provisionalization with non-functional single-tooth restorations, and definitive restoration within 2 weeks. Cumulative survival and success rates were 98.8% (mean follow-up = 23.1 months). Periodontitis did not adversely influence the outcome. Within the limitations of this study, immediate implant placement and restoration followed by definitive loading within 2 weeks achieved outcomes comparable to those historically reported for delayed implants.

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