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Histomorphometric analyses of hydroxyapatite-coated and uncoated titanium implants. The importance of the implant design
Authors:Gottlander M  Albrektsson T
Affiliation:Biomaterials Group, Department of Handicap Research, University of G?teborg, Gothenburg, Sweden.
Abstract:Hydroxyapatite-coated and uncoated titanium screws were inserted in the rabbit tibial metaphysis and evaluated by histomorphometry after 6 months of follow-up. There was no difference in direct bone contact between the HA-coated implants and the uncoated controls. The effect of HA-coating on screw-shaped implants seems to be uncertain, in contrast to unthreaded cylindrical designs, where there is more abundant documentation in favour of HA-coated implants.
Keywords:hydroxyapatite    titanium    coatings    implants    histomorphometry
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