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European Journal of Oral Implantology

Editor in Chief: Dr. Marco Esposito

Official publication of the British Society of Oral Implantology (BSOI) and the Dutch Society of Oral Implantology (NVOI)

ISSN (print) 1756-2406 • ISSN (online) 1756-2414


Spring 2011
Volume 4 , Issue 1

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Short implants in posterior jaws. A prospective 1-year study

Maló, Paulo / Nobre, Miguel de Araújo / Lopes, Armando

Page: 0

Background: There is limited evidence for the outcome of short implants (7 mm) to rehabilitate posterior jaws. Purpose: To report on the outcome of 7 mm short implants in the rehabilitation of posterior areas of atrophic jaws 1 year after loading. Materials and methods: This prospective study included 127 patients treated with 217 implants supporting 165 fixed prostheses. Final abutments were delivered at surgery stage, and in 11 patients (18 implants) a provisional acrylic resin crown or bridge was manufactured and attached to the implants on the same day as the surgery, achieving immediate function. The final prosthesis was typically delivered after 6 months. Outcome measures were implant survival calculated at patient and implant levels, complications and peri-implant marginal bone resorption calculated at patient level. Results: Three patients with 5 implants were lost to follow-up after 7 months. Implant losses occurred in 6 of the 127 patients and 10 of the 217 implants placed failed, giving a success rate of 95% at patient and implant level after 1 year of follow-up. The mean marginal bone resorption after 1 year of follow-up was 1.27 mm (SD = 0.67 mm). The only complication registered was a periimplant pathology at one implant. Conclusions: One year after loading, 7 mm short implants provided good success rates (95% at patient level and implant level) suggesting that the use of short implants is a viable concept, however longer follow-ups are needed to confirm these preliminary results.

Keywords: immediate function, one-stage protocol, prospective study, short implants

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