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Clinical and Radiographic Comparison between Platform-Shifted and Nonplatform-Shifted Implant: A One-Year Prospective Study
Department of Periodontology and Oral Implantology, Dental School, Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium.
Department of Periodontology and Oral Implantology, Dental School, Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium.
Malmö högskola, Faculty of Odontology (OD). Department of Periodontology and Oral Implantology, Dental School, Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium.
Department of Periodontology and Oral Implantology, Dental School, Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium.
2016 (English)In: Clinical Implant Dentistry and Related Research, ISSN 1523-0899, E-ISSN 1708-8208, Vol. 18, no 1, p. 129-137Article in journal (Refereed)
Abstract [en]

Background Developments in implant hardware and biologic understanding improved treatment predictability in terms of implant survival. Current research focuses on accelerated loading protocols and crestal bone preservation. Purpose This prospective, monocenter study analyzed the clinical and radiographic outcome of a novel parallel-walled implant, with and without platform shift Materials and Methods Forty-eight consecutively treated patients (30 women, 18 men) with crowns/bridges supported by 115 implants were included. Eighty-three percent of implants were nonocclusal, immediately loaded, and 17% were subjected to one-stage surgery and delayed loading after 10 weeks; 39.1% were of diameter 5.0mm, enabling platform shifting with a 4.0mm-wide prosthetic component; 60.9% were of diameter 4.0mm with a 4.0mm component. Radiographic crestal bone levels were assessed at baseline and 1 year. A multivariate statistical analysis was performed to determine factors affecting crestal bone loss after 1 year Results All implants survived and mean marginal bone loss was 0.73mm (SD: 0.13; range: -0.60 to 5.0mm). There was a statistically significant difference between platform-shifted (0.63mm; SD: 0.18) and nonplatform-shifted (1.02mm; SD: 0.14) implants. Implants in abundant bone volume lost significant less crestal bone (0.45mm; SD: 0.14) compared with implants in small volume (1.20mm; SD: 0.21). Implant diameter, loading time, anatomical position, smoking, and bone quality did not affect crestal bone loss Conclusion After 1 year of loading, both implant-prosthetic features yield a high survival and limited crestal bone loss. Crestal bone loss is minimized using platform-shifted implants placed in sufficiently voluminous bone. To limit the crestal bone loss, an adopted implant diameter with platform shifting should be considered.

Place, publisher, year, edition, pages
John Wiley & Sons, 2016. Vol. 18, no 1, p. 129-137
Keywords [en]
bone volume, dental implants, immediate loading, implant design, osseotite 2, platform shifting
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-15959DOI: 10.1111/cid.12269ISI: 000369339400015PubMedID: 25180683Scopus ID: 2-s2.0-84906720245Local ID: 22826OAI: oai:DiVA.org:mau-15959DiVA, id: diva2:1419481
Available from: 2020-03-30 Created: 2020-03-30 Last updated: 2024-06-17Bibliographically approved

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