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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

September 2007
Volume 38 , Issue 8

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Survival and success rates of 3i implants in partially edentulous patients: Results of a prospective study with up to 84-months’ follow-up

Marko Knauf, Dr med dent / Thomas Gerds, Dr rer nat / Robert Muche, Dr med dent / Jorg R. Strub, Prof Dr med dent

Pages: 643–651
PMID: 17823682

Objective: To evaluate the long-term performance of machined screw implants placed in partially edentulous patients. Method and Materials: Eighty-six patients received a total of 214 machined implants (3i Implant Innovations). Seventy-six patients received 112 crowns and fixed partial dentures. The implants were placed in both the maxilla and the mandible. Using standardized radiographs, the peri-implant bone level was evaluated at the time of delivery of the final restorations and at up to 8 follow-up examinations. Results: Nine implants failed before and 6 implants during functional loading. Further, 30 implants were classified as biologically unsuccessful. The estimated survival rate of the implants was 93% after 84 months (confidence interval 88% to 97%). The estimated success rate was 83.3% after 84 months (confidence interval 76.4% to 90.2%). Conclusion: Machined 3i implants can be used for the replacement of missing teeth in partially edentulous patients. (Quintessence Int 2007;38:643–651)

Key words:dental implants, fixed partial dentures, partial edentulism, survival rate, success rate

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