To the top

Page Manager: Webmaster
Last update: 9/11/2012 3:13 PM

Tell a friend about this page
Print version

Rehabilitation of edentul… - University of Gothenburg, Sweden Till startsida
To content Read more about how we use cookies on

Rehabilitation of edentulous mandibles by means of 5 TiUnite™ implants after one-stage surgery: A 1-year retrospective study of 90 patients

Journal article
Authors Bertil Friberg
Torsten Jemt
Published in Clinical Implant Dentistry and Related Research
Volume 10
Issue 1
Pages 47-54
Publication year 2008
Published at Institute of Odontology
Pages 47-54
Language en
Keywords Edentulous mandibles, TiUnite TM implants, one-stage surgery, retrospective study
Subject categories Surgical research, Oral prosthetics


Background: Recently the present team reported the 1-year data of one-stage surgery and mainly early loading performed in edentulous mandibles using 750 turned Brånemark System R implants in 152 patients. Purpose: The aim of the present investigation was to retrospectively evaluate the 1-year results of the same treatment technique, using Brånemark System R implants with an oxidized surface (TiUnite TM). The outcome was compared with that of the former study (control) on turned implants. Materials and Methods: The present study involved 90 individuals with 450 TiUnite TM implants of mainly the Brånemark System R Mark III design, placed in edentulous mandibles and using one stage surgery. The prosthetic procedure was commenced as a mean 8 days after teh surgical intervention. Intraoral radiographs were obtained at prosthesis insertion and at the 1-year annual check-up. Failure rates of test and control groups were compared by means of the Chisquare test. Results: No implants were found to be mobile up to and including the first annual check-up, resulting in an implant cumulative survival rate (CSR) of 100%. The corresponding CSR for the control group was 97.5% and this difference in implant survival was statistically significant, when analyzed with the chi-square test (p<.001). A statistical significant difference was also demonstrated (p<.01) when conducting the same statistical analysis on the patient level. The mean marginal bone resorption during the first year of function was 0.49 mm (SD 0.56) and the corresponding figures for the control study were 0.39 mm (SD 0.46). The central TiUnite TM implant, i.e. the one placed in or in close relation to the symphyseal region showed significantly more bone loss (p<.05) than the corresponding central turned implant of the control study. Distally positioned test implants demonstrated less marginal bone loss than the corresponding central one. Conclusions: The outcome of 450 TiUnite TM implants placed in 90 patients with edentulous manidbles, of which 380 implants in 76 patients were followed for one year, showed an implant CSR of 100%. The figure was significantly different from the control study result of 97.5% on turned surface implants. The levels of marginal bone were close to identical for test and control implants at the 1-year check-up.

Page Manager: Webmaster|Last update: 9/11/2012

The University of Gothenburg uses cookies to provide you with the best possible user experience. By continuing on this website, you approve of our use of cookies.  What are cookies?