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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


Winter 2010
Volume 3 , Issue 4

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Clinical evaluation of Tiny 2.5- and 3.0-mm narrow-diameter implants as definitive implants in different clinical situations: a retrospective cohort study

Anitua, Eduardo / Errazquin, Jose M / de Pedro, Josť / Barrio, Pedro / Begona, Leire / Orive, Gorka

Aim: The aim of the present study was to assess retrospectively the survival of narrow-diameter implants (2.5 and 3 mm in diameter) in patients with insufficient bone ridge thickness for placement of standard-diameter implants. Material and methods: Fifty-one patients with 89 inserted narrow-diameter implants (2.5 and 3.0 mm) were included. Patients were treated with one or more narrow-diameter implants between June 2004 and December 2005. The observation period for all included implants was at least 3 years after implant loading. Outcome measures were implant survival, complications and marginal bone level changes evaluated on panoramic radiographs. Results: The mean follow-up period for all implants was 48 months. Only one implant was lost, yielding survival rates of 98.9% and 98.0% for the implant- and subject-based analyses, respectively. Six complications were reported. Twenty-four months after implant insertion, mean bone loss was 1.26 mm (SD 0.51). Conclusions: Narrow-diameter implants can be successfully used to treat narrow bone ridges up to 3 years after loading.

Keywords: failure, long-term follow-up, narrow-diameter implants, narrow implants, plasma rich in growth factors (PRGF), survival analysis

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