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Heschl, A; Payer, M; Clar, V; Stopper, M; Wegscheider, W; Lorenzoni, M.
Overdentures in the edentulous mandible supported by implants and retained by a Dolder bar: a 5-year prospective study.
Clin Implant Dent Relat Res. 2013; 15(4):589-599
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Autor/innen der Med Uni Graz:
Heschl Alexander
Lorenzoni Martin
Payer Michael
Stopper Marlene
Wegscheider Walther
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Abstract:
This prospective study was performed to evaluate the outcomes of XiVE® S plus implants (Dentsply Friadent, Mannheim, Germany) following conventional restoration with bar structures and overdentures in the edentulous mandible. A total of 39 patients were treated with four interforaminal implants (n = 156) splinted by a Dolder bar. Overdentures were attached to the bars after 3 months of healing. As primary outcome measures, clinical and radiological parameters were evaluated at the time of implant placement (baseline) and once a year (1, 2, 3, 4, 5 years) after functional loading. Secondary outcome measures included (i) primary stability and surgical complications, as well as (ii) Periotest® (Medizintechnik Gulden, Modautal, Germany) values, implant survival, and prosthetic complications at baseline and follow-up. A total of 156 implants were placed. The vast majority (n = 149) were tightened to >30 Ncm, while torques in the range of 20-30 Ncm were obtained in the remaining cases (n = 7). Mean crestal bone levels around the implants were 0.41 mm at baseline and 1.04/1.20/1.34/1.45/1.44 mm after 1/2/3/4/5 years respectively. The mean values of the plaque, calculus, bleeding, and mucosal indices remained low throughout this period. The reported follow-up periods involved one implant loss after 3 months (survival rate: 99.4%) and one implant failure after 4 years (success rate: 98.4%). Prosthetic complications included factures of bars (n = 3) and denture teeth (n = 7). Prosthetic survival was 100%. Dolder bars to restore oral implants in the edentulous mandible appear to offer a high rate of implant survival, good stability of the peri-implant tissue, and a low rate of prosthetic complications. © 2011 Wiley Periodicals, Inc.
Find related publications in this database (using NLM MeSH Indexing)
Adult -
Aged -
Alveolar Process - diagnostic imaging
Dental Calculus - classification
Dental Implants -
Dental Plaque Index -
Dental Prosthesis, Implant-Supported -
Dental Restoration Failure -
Denture Design -
Denture Retention - instrumentation
Denture, Complete, Lower -
Denture, Overlay -
Female -
Follow-Up Studies -
Humans -
Jaw, Edentulous - diagnostic imaging
Jaw, Edentulous - rehabilitation
Jaw, Edentulous - surgery
Male -
Mandible - diagnostic imaging
Mandible - surgery
Middle Aged -
Osseointegration - physiology
Periodontal Index -
Prospective Studies -
Radiography -
Survival Analysis -
Tooth, Artificial -
Torque -
Treatment Outcome -

Find related publications in this database (Keywords)
crestal bone measurement
Dolder bar
edentulous mandible
overdenture
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