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Clinical Oral Investigations
Published in: Clinical Oral Investigations 4/2012

01-08-2012 | Original Article

Clinical success of implant-supported and tooth–implant-supported double crown-retained dentures

Authors: Gunda Bernhart, Andreas Koob, Marc Schmitter, Olaf Gabbert, Thomas Stober, Peter Rammelsberg

Published in: Clinical Oral Investigations | Issue 4/2012

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Abstract

The objective of this retrospective study was to compare biological and technical complications of implant-supported and tooth–implant-supported double crown-retained dentures (DCRDs) with those of tooth-supported DCRDs. Sixty-three DCRDs were monitored. One study group included 16 prostheses with a combination of implants and natural teeth as double crowns (ti group), whereas in the second study group, 19 dentures were retained exclusively on implants (ii group); a third study group with 28 exclusively tooth-supported dentures served as controls (tt group). Tooth loss, implant failure, and technical complications (loss of retention of primary crown, abutment screw loosening, loss of facing, fracture of resin denture teeth and fracture of saddle resin) were analysed. During the observation period of 24 months, no implants or teeth were lost in the ti group and three technical complications were recorded. In the ii group, two implants were lost, two cases of peri-implantitis occurred and four technical complications were observed. In the tt group, two cases of tooth loss and seven technical complications were observed. At the time of the last examination, all prostheses of the ti group and the ii group were functional. Patients of these two study groups reported high satisfaction with both function and aesthetics with no significant difference between the two groups. Treatment with DCRDs showed comparable results in the three study groups. The 2-year results indicate that double crowns can be recommended for implant and combined tooth–implant-retained dentures.
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Metadata
Title
Clinical success of implant-supported and tooth–implant-supported double crown-retained dentures
Authors
Gunda Bernhart
Andreas Koob
Marc Schmitter
Olaf Gabbert
Thomas Stober
Peter Rammelsberg
Publication date
01-08-2012
Publisher
Springer-Verlag
Published in
Clinical Oral Investigations / Issue 4/2012
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-011-0592-1

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