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On the material dep...
On the material dependency of peri-implant morphology and stability in healing bone
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- Bruns, S. (author)
- Helmholtz Zent Hereon, Inst Metall Biomat, Max Planck Str 1, D-21502 Geesthacht, Germany.
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- Kruger, D. (author)
- Helmholtz Zent Hereon, Inst Metall Biomat, Max Planck Str 1, D-21502 Geesthacht, Germany.
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- Galli, Silvia (author)
- Malmö universitet,Odontologiska fakulteten (OD)
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- Wieland, D. C. F. (author)
- Helmholtz Zent Hereon, Inst Metall Biomat, Max Planck Str 1, D-21502 Geesthacht, Germany.
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- Hammel, J. U. (author)
- Helmholtz Zent Hereon, Inst Mat Phys, Max Planck Str 1, D-21502 Geesthacht, Germany.
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- Beckmann, F. (author)
- Helmholtz Zent Hereon, Inst Mat Phys, Max Planck Str 1, D-21502 Geesthacht, Germany.
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- Wennerberg, Ann, 1955 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology,Univ Gothenburg, Inst Odontol, Dept Prosthodont, Medicinaregatan 12 F, S-41390 Gothenburg, Sweden.
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- Willumeit-Romer, R. (author)
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon, Max-Planck-Str. 1, 21502, Geesthacht, Germany
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- Zeller-Plumhoff, B. (author)
- Helmholtz Zent Hereon, Inst Metall Biomat, Max Planck Str 1, D-21502 Geesthacht, Germany.
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- Moosmann, J. (author)
- Helmholtz Zent Hereon, Inst Mat Phys, Max Planck Str 1, D-21502 Geesthacht, Germany.
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Helmholtz Zent Hereon, Inst Metall Biomat, Max Planck Str 1, D-21502 Geesthacht, Germany Odontologiska fakulteten (OD) (creator_code:org_t)
- Elsevier, 2023
- 2023
- English.
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In: Bioactive Materials. - : Elsevier. - 2452-199X. ; 28, s. 155-166
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Abstract
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- The microstructural architecture of remodeled bone in the peri-implant region of screw implants plays a vital role in the distribution of strain energy and implant stability. We present a study in which screw implants made from titanium, polyetheretherketone and biodegradable magnesium-gadolinium alloys were implanted into rat tibia and subjected to a push-out test four, eight and twelve weeks after implantation. Screws were 4 mm in length and with an M2 thread. The loading experiment was accompanied by simultaneous three-dimensional imaging using synchrotron-radiation microcomputed tomography at 5 mu m resolution. Bone deformation and strains were tracked by applying optical flow-based digital volume correlation to the recorded image sequences. Implant stabilities measured for screws of biodegradable alloys were comparable to pins whereas non-degradable biomaterials experienced additional mechanical stabilization. Peri-implant bone morphology and strain transfer from the loaded implant site depended heavily on the biomaterial utilized. Titanium implants stimulated rapid callus formation displaying a consistent monomodal strain profile whereas the bone volume fraction in the vicinity of magnesium-gadolinium alloys exhibited a minimum close to the interface of the implant and less ordered strain transfer. Correlations in our data suggest that implant stability benefits from disparate bone morphological properties depending on the biomaterial utilized. This leaves the choice of biomaterial as situational depending on local tissue properties.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
Keyword
- Biodegradable implant materials
- Bone mechanical testing
- Implant
- stability
- Synchrotron micro-computed tomography im
- aging
- Digital
- volume correlation
- Engineering
- Materials Science
- Biodegradable implant materials
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bruns, S.
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Kruger, D.
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Galli, Silvia
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Wieland, D. C. F ...
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Hammel, J. U.
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Beckmann, F.
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show more...
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Wennerberg, Ann, ...
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Willumeit-Romer, ...
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Zeller-Plumhoff, ...
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Moosmann, J.
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Dentistry
- Articles in the publication
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Bioactive Materi ...
- By the university
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University of Gothenburg
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Malmö University