A controlled clinical trial of implant-retained mandibular overdentures: 10 years' results of clinical aspects and aftercare of IMZ implants and Brånemark implants

Clinical Oral Implants Research
Henny J A MeijerAnita Visser

Abstract

The aim of this prospective randomized controlled clinical trial was to evaluate the clinical outcomes and prosthetic aftercare of edentulous patients with a mandibular overdenture retained by two IMZ implants or two Brånemark implants during a 10-year period. Patients were allocated to the IMZ group (n=29) or the Brånemark group (n=32) by a computerized balancing method. In the IMZ group, four implants were lost during the 10-year follow-up (survival rate: 93%). In the Brånemark group, nine implants were lost (survival rate: 86%). All patients were re-operated successfully. Multiple prosthetic revisions were necessary in both groups; especially the precision attachment system in the overdenture (23% of the total number of revisions) and the denture base and teeth (26% of the total number of revisions) were subject to frequent fracture. From this study, it can be concluded that both the IMZ implant and the Brånemark implant systems supporting an overdenture are functioning well after 10 years of follow-up. There are no indications of a worsening of clinical or radiographical state after 10 years.

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Citations

Feb 4, 2009·Journal of Periodontology·Mario VenzaDiana Teti
Feb 7, 2012·The Journal of Prosthetic Dentistry·Adrian E BüttelCarlo P Marinello
Jul 29, 2008·International Journal of Oral and Maxillofacial Surgery·A C HundepoolK P Schepman
Jul 1, 2009·Journal of Clinical Periodontology·Henny J A MeijerArjan Vissink
Jun 6, 2009·Clinical Oral Implants Research·Henny J A MeijerArjan Vissink
Jun 28, 2007·Clinical Oral Implants Research·Margareta HultinBjörn Klinge
Mar 4, 2009·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·David A Felton
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Nov 6, 2012·Journal of Oral Rehabilitation·K-W ChenY-H Pan
May 25, 2010·Clinical Implant Dentistry and Related Research·Jan CosynHugo De Bruyn
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Mar 13, 2014·Journal of Oral Rehabilitation·B R ChrcanovicA Wennerberg
Jan 23, 2014·Gerodontology·Frauke Müller
May 15, 2009·Clinical Implant Dentistry and Related Research·Nabeel AlsabeehaAlan G T Payne
Apr 14, 2016·The British Journal of Oral & Maxillofacial Surgery·Timm SteinerStefan Raith
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Jan 28, 2016·Clinical Oral Implants Research·Sandy CepaRalf-Joachim Kohal
Jul 23, 2014·The Cochrane Database of Systematic Reviews·Marco EspositoHelen V Worthington

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