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Improved bone ingrowth and fixation with a thin calcium phosphate coating intended for complete resorption
Örebro universitet, Institutionen för klinisk medicin.
Vise andre og tillknytning
2007 (engelsk)Inngår i: Journal of biomedical materials research. Part B, Applied biomaterials, ISSN 1552-4973, Vol. 83B, nr 1, s. 9-15Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Bonit is claimed to be a resorbable electrochemically deposited calcium phosphate coating consisting mainly of brushite, which is a hydroxyapatite precursor. This study involved a comparison of Ti6Al4V screw-shaped implants with and without a 15 +/- 5 microm Bonit coating in rabbit tibia and femur, after 6 and 12 weeks of insertion. The biomechanical removal torque test showed significantly increased values for the coated implants after 12 weeks (p < 0.05) but not after 6 weeks of integration. Higher bone-implant contact was found for the coated implants in the tibia after 6 weeks and for both tibial and femoral screws after 12 weeks (p < 0.05). There was no difference in the inflammatory reaction around the implants, and possible grains of the coating could be detected after 6 weeks, but not after 12 weeks of follow-up. This unloaded short-term study has shown promising results for the easily applicable and resorbable coat (Bonit) compared to uncoated titanium-alloy implants.

sted, utgiver, år, opplag, sider
2007. Vol. 83B, nr 1, s. 9-15
HSV kategori
Forskningsprogram
Kirurgi
Identifikatorer
URN: urn:nbn:se:oru:diva-4372DOI: 10.1002/jbm.b.30762OAI: oai:DiVA.org:oru-4372DiVA, id: diva2:138671
Tilgjengelig fra: 2008-02-19 Laget: 2008-02-19 Sist oppdatert: 2017-10-18bibliografisk kontrollert

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