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8. In Vivo Assessment of Bone Ingrowth Potential of Three-Dimensional E-Beam Produced Implant Surfaces and the Effect of Additional Treatment by Acid Etching and Hydroxyapatite Coating.

Author

Biemond, J. Elizabeth, Hannink, Gerjon, Jurrius, Annemarijn M. G., Verdonschot, Nico, and Buma, Pieter

Subjects
*HYDROXYAPATITE coating, *DENTAL acid etching, *HISTOLOGY, *ELECTRON beams, *ARTIFICIAL implants, *BONES
Abstract

The bone ingrowth potential of three-dimensional E-beam-produced implant surfaces was examined by histology and compared to a porous plasma-sprayed control. The effects of acid etching and a hydroxyapatite (HA) coating were also evaluated by histology. Specimens were implanted in the distal femur of 10 goats. Histological analysis of bone ingrowth was performed 6 weeks after implantation. The E-beam-produced surfaces showed significantly better bone ingrowth compared to the plasma-sprayed control. Additional treatment of the E-beam surface structures with a HA coating, further improved bone ingrowth potential of these structures significantly. Acid etching of the E-beam structures did not influence bone ingrowth significantly. In conclusion, the HA-coated, E-beam-produced structures are promising potential implant surfaces. [ABSTRACT FROM PUBLISHER]

Published
2012
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