Implant-supported overdentures with different bar designs: A retrospective evaluation after 5-19 years of clinical function

The Journal of Advanced Prosthodontics
Sven RinkeMatthias Roediger

Abstract

This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19 years of clinical function. A retrospective analysis of patient files was performed referring to 27 patients who received 36 IODs with 3 different bar designs (group A=prefabricated round bars, n=7; group B=one-piece anterior milled bars, n=20; and group C=two bilaterally placed milled bars, n=9) in the mandible (n=24) and/or in the maxilla (n=12). The analysis focused on the survival and success rates (according to Kaplan-Meier) of the implants and prostheses. Technical complication rates for each type of restoration were analyzed and compared via one-way ANOVA and the Chi-squared test. The prevalence of peri-implantitis (radiographic bone loss ≥3.5 mm) was evaluated by digital analysis of panoramic radiographs taken post-operative (baseline) and after 5-19 years of clinical function (follow-up). The mean observational time was 7.3 years. The survival rates of the prostheses and implants were 100% and 97.7%, respectively. Technical complications occurred more frequently in group A (mean: 3.5 during observational time) than in the other two groups (B: 0.8; C: 1.0). However, this difference was not statistically significant (P=0.58)...Continue Reading

References

Mar 20, 2003·The Journal of Prosthetic Dentistry·M E BroskyJ Hodges
Jun 6, 2009·Clinical Oral Implants Research·Henny J A MeijerArjan Vissink
Dec 17, 2009·Implant Dentistry·Mohamed A Abd El-DayemSayed Abd Al-Hady Mahmoud Mogahed
Jun 3, 2011·Clinical Oral Implants Research·Eriberto BressanTord Berglundh
Aug 13, 2011·Clinical Implant Dentistry and Related Research·Alexander HeschlMartin Lorenzoni
Nov 8, 2011·Molecular Oral Microbiology·C E MoffattR J Lamont
May 18, 2013·Clinical Implant Dentistry and Related Research·Eberhard FrischSven Rinke
Mar 29, 2014·Clinical Oral Implants Research·Sven RinkeDirk Ziebolz

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Citations

Jun 22, 2018·Journal of Clinical Periodontology·Stefan RenvertPaulo M Camargo
Aug 14, 2019·Periodontology 2000·Simone CortelliniMarc Quirynen
Jun 11, 2019·Case Reports in Dentistry·Gregor-Georg ZafiropoulosMoosa Abuzayda
May 2, 2018·The Journal of Advanced Prosthodontics·Hyun-Wook WooDu-Hyeong Lee
Feb 4, 2019·The Journal of Prosthetic Dentistry·Guillermo de la Rosa CastoloMichel Behr

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