PMID: 9555206Apr 29, 1998Paper

A 5-year prospective clinical study of Astra Tech dental implants supporting fixed bridges or overdentures in the edentulous mandible

Clinical Oral Implants Research
T A MakkonenJ Peltola

Abstract

In a 5-year prospective clinical study, 155 endosseous implants were installed in the mandible anterior to the mental foramina in 33 edentulous patients (13 males and 20 females). Usually 6 implants were installed for fixed prostheses (FP), 13 patients with 77 implants, and 4 implants for overdentures (OD) with a Dolder bar, 20 patients with 78 implants. At the time of abutment connection 1 implant in 2 patients was found to be loose and removed. However, in both these patients overdentures were successfully placed on the remaining 3 implants. Narrow-beam radiography was used for radiological evaluation. The mean (SD) total marginal bone loss in 5 years was 0.48 (0.38) mm (0.36 (0.22) mm in the FP group and 0.56 (0.45) mm in the OD group). Very few complications were reported during the 5 years, most of them being related to the superstructures. The overall cumulative implant survival rate was 98.7% (100% in the FP group and 97.4% in the OD group). The survival rate of the superstructures was 100%. The present study has demonstrated that Astra Tech implants offer reliable and predictable medium-term support for fixed prostheses and overdentures in the edentulous mandible.

Citations

Mar 13, 2002·Clinical Implant Dentistry and Related Research·M R Norton
May 21, 2005·Clinical Implant Dentistry and Related Research·Lars RasmussonHans Bystedt
Oct 29, 2005·Journal of Periodontology·Devorah Schwartz-AradLiran Levin
Jan 8, 2004·Dento Maxillo Facial Radiology·K Nicopoulou-KarayianniJ Litsas
May 19, 2001·Clinical Implant Dentistry and Related Research·P AstrandK Gröndahl
Jan 19, 2013·The Journal of Prosthetic Dentistry·Louis DiPedeRobert Flinton
Jul 14, 2004·Clinical Oral Implants Research·Per AstrandHartmut Feldmann
Jul 29, 2008·Clinical Implant Dentistry and Related Research·Hugo De BruynMarianne Vaneker
Nov 6, 2012·Journal of Oral Rehabilitation·K-W ChenY-H Pan
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Aug 13, 2011·Clinical Implant Dentistry and Related Research·Alexander HeschlMartin Lorenzoni
Oct 25, 2012·Clinical Oral Implants Research·Irena SailerDavid Schneider
Aug 18, 2009·Clinical Implant Dentistry and Related Research·Lars Laurell, Dan Lundgren
Jan 21, 2016·Journal of Clinical Periodontology·Jianfeng ZhouYongsheng Zhou
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Feb 25, 2005·Clinical Implant Dentistry and Related Research·Pär-Olov OstmanIngvar Ericsson
Jun 28, 2011·Journal of Prosthodontic Research·Yasunori SuzukiChikahiro Ohkubo
Mar 16, 2013·Journal of Prosthodontic Research·Yasunori SuzukiKenneth S Kurtz
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May 19, 2001·Clinical Implant Dentistry and Related Research·I EricssonA Peterson
Jun 4, 2020·International Journal of Implant Dentistry·Babak E SaraviMartin Boeker

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