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Oxidized, bioactive implants are rapidly and strongly integrated in bone: Part 1 - experimental implants
Örebro University, Department of Technology.
2006 (English)In: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 17, no 5, p. 521-526Article in journal (Refereed) Published
Abstract [en]

Objectives: The study presented was designed to investigate the speed and the strength of osseointegration of oxidized implants at early healing times in comparison which machined, turned implants.

Material and methods: Screw-shaped titanium implants were prepared and divided into two groups: magnesium ion incorporated, oxidized implants (Mg implants, n=10) and machined, turned implants (controls, n=10). Mg implants were prepared using micro-arc oxidation methods. Surface oxide properties of implants such as surface chemistry, oxide thickness, morphology/pore characteristics, crystal structures and roughness were characterized with various surface analytic techniques. Implants were inserted into the tibiae of ten New Zealand white rabbits. After a follow-up period of 3 and 6 weeks, removal torque (RTQ), osseointegration speed (ΔRTQ/Δhealing time) and integration strength of implants were measured. Bonding failure analysis of the bone-to-implant interface was performed.

Results: The speed the and strength of osseointegration of Mg implants were significantly more rapid and stronger than for turned implants at follow-up periods of 3 and 6 weeks. Bonding failure for Mg implants dominantly occurred within the bone tissue, whereas bonding failure for turned implants mainly occurred at the interface between implant and bone.

Conclusions: Oxidized, bioactive implants are rapidly and strongly integrated in bone. The present results indicate that the rapid and strong integration of oxidized, bioactive Mg implants to bone may encompass immediate/early loading of clinical implants.

Place, publisher, year, edition, pages
Oxford: Blackwell , 2006. Vol. 17, no 5, p. 521-526
National Category
Medical and Health Sciences
Research subject
Medicine
Identifiers
URN: urn:nbn:se:oru:diva-4366DOI: 10.1111/j.1600-0501.2005.01230.xOAI: oai:DiVA.org:oru-4366DiVA, id: diva2:138665
Available from: 2008-02-19 Created: 2008-02-19 Last updated: 2017-12-14Bibliographically approved

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Johansson, Carina B

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • vancouver
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  • nn-NB
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  • Other locale
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Output format
  • html
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  • asciidoc
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