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Immediately Loaded ...
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Göthberg, Catharina,1960Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials
(author)
Immediately Loaded Implants with or without Abutments Supporting Fixed Partial Dentures: 1-Year Results from a Prospective, Randomized, Clinical Trial.
- Article/chapterEnglish2014
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LIBRIS-ID:oai:gup.ub.gu.se/170163
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https://gup.ub.gu.se/publication/170163URI
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https://doi.org/10.1111/cid.12025DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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PURPOSE: To evaluate 1-year implant survival and marginal bone loss around implants that support fixed partial dentures loaded immediately or after 3 months, and effects from abutment usage. MATERIALS AND METHODS: In this 2005 to 2009 randomized, parallel-group, clinical trial, 50 partially edentulous patients each received three Brånemark TiUnite™ implants (Nobel Biocare®, Göteborg, Sweden), mostly in the posterior maxilla. Two implants were fitted with abutments: a TiUnite™ surface and a machine-milled surface; the suprastructure was attached directly at implant level for the third implant. After randomized allocation, implants were immediately loaded with a fixed temporary bridge (test group) or left unloaded for 3 months (control group). A permanent fixed suprastructure replaced the temporary bridge after 6 months (test). Hard and soft tissues were examined during pretreatment and surgery plus 2 days, 14 days, 4 weeks, 3 months, and 1 year after surgery. RESULTS: After 1 year, four implants were lost in the test and two in the control groups (1-year survival rates of 94.9% [test] and 97.2% [control], with no significant intergroup difference). Resonance frequency analysis values indicated a similar pattern in both groups, with implant stability quotient (ISQ) reduction between 2 and 4 weeks. The test group had a significantly lower ISQ than the control group at these appointments. After 1 year, marginal bone losses around the implants were, on average, 1.32mm (test, standard error of the mean [SEM] 0.08) and 1.24mm (control, SEM 0.08), with no significant intergroup difference. Significantly larger marginal bone loss was observed at implants without abutment compared with implants with abutment. CONCLUSIONS: For both groups, this study showed similar implant survival rates and marginal bone loss. Larger bone loss was found at implants loaded without attached abutments.
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André, Ulrika
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Gröndahl, Kerstin,1948
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Ljungquist, Birgit
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Thomsen, Peter,1953Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials(Swepub:gu)xthope
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Slotte, Christer,1954Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials(Swepub:gu)xsloch
(author)
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Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap
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In:Clinical implant dentistry and related research: Wiley16:4, s. 487-5001708-82081523-0899
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