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Evaluation of the interface between bone and titanium surfaces being blasted by aluminium oxide or bioceramic
Wolf-Dieter Müeller1, Ulrich Gross, Thomas Fritz
1Dental School, Medical Faculty Charité, Humboldt-University of Berlin, Berlin, Germany. wolf-dieter.mueller@charite.de
Abstract:
The surface structure, in particular the surface roughness, and the surface chemistry of titanium implants influence their anchoring in bone. The aim of this study was to analyse metal-bone contact (MBC) after modification of the implant surface, using different materials for blasting. The surface modification of titanium was produced by blasting it with particles made of Al2O3 or bioceramics. The biological effects were then investigated experimentally using 27 rabbits, analysed after 7, 28 and 84 days after the implantation of titanium cylinders treated accordingly. The MBC showed a tendency for more bone after bioceramics were used as a blasting material, compared to Al2O3.