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Biomechanical, hist...
Biomechanical, histological and ultrastructural analyses of laser micro- and nano-structured titanium implant after 6 months in rabbit.
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- Palmquist, Anders, 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials
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- Emanuelsson, Lena, 1961 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials
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- Brånemark, Rickard, 1960 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för ortopedi,Institute of Clinical Sciences, Department of Orthopaedics
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- Thomsen, Peter, 1953 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials
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(creator_code:org_t)
- 2011-03-10
- 2011
- English.
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In: Journal of biomedical materials research. Part B, Applied biomaterials. - : Wiley. - 1552-4981 .- 1552-4973. ; 97:2, s. 289-98
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Abstract
Subject headings
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- Short-term, experimental studies of partly laser-modified implants with nano-scale surface topographical features have recently shown a considerable increase in the biomechanical anchorage to bone. The aim of this study is to evaluate the biomechanical and bone-bonding ability of partly laser-modified implants compared with machined implants after a healing period of 6 months in a rabbit model. The results showed a 170% increase in removal torque. Histology and scanning electron microscopy demonstrated osseointegration for both implant types, but also revealed a different fracture pattern at the interface and in the bone. Transmission electron microscopy and chemical analysis showed coalescence between mineralized tissue and the nano-structured surface of the laser modified implant. Taken together, the results indicate that nano-structured surfaces promote in vivo long-term bone bonding and interface strength.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Biomaterialvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Biomaterials Science (hsv//eng)
Keyword
- Animals
- Coated Materials
- Biocompatible
- chemistry
- metabolism
- Female
- Femur
- anatomy & histology
- metabolism
- Implants
- Experimental
- Lasers
- Materials Testing
- Microscopy
- Electron
- Osseointegration
- Rabbits
- Stress
- Mechanical
- Surface Properties
- Tibia
- anatomy & histology
- metabolism
- Titanium
- chemistry
- metabolism
Publication and Content Type
- ref (subject category)
- art (subject category)
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