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Frictional and bone ingrowth properties of engineered surface topographies produced by electron beam technology.

Authors :
Biemond, J. Elizabeth
Aquarius, René
Verdonschot, Nico
Buma, Pieter
Source :
Archives of Orthopaedic & Trauma Surgery. May2011, Vol. 131 Issue 5, p711-718. 8p. 2 Color Photographs, 1 Black and White Photograph, 2 Charts, 1 Graph.
Publication Year :
2011

Abstract

Background: Electron beam melting (E-beam) is a new technology to produce 3-dimensional surface topographies for cementless orthopedic implants. Methods: The friction coefficients of two newly developed E-beam produced surface topographies were in vitro compared with sandblasted E-beam and titanium plasma sprayed controls. Bone ingrowth (direct bone-implant contact) was determined by implanting the samples in the femoral condyles of 6 goats for a period of 6 weeks. Results: Friction coefficients of the new structures were comparable to the titanium plasma sprayed control. The direct bone-implant contact was 23.9 and 24.5% for the new surface structures. Bone-implant contact of the sandblasted and titanium plasma sprayed control was 18.2 and 25.5%, respectively. Conclusions: The frictional and bone ingrowth properties of the E-beam produced surface structures are similar to the plasma-sprayed control. However, since the maximal bone ingrowth had not been reached for the E-beam structures during the relatively short-term period, longer-term follow-up studies are needed to assess whether the E-beam structures lead to a better long-term performance than surfaces currently in use, such as titanium plasma spray coating. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
09368051
Volume :
131
Issue :
5
Database :
Academic Search Index
Journal :
Archives of Orthopaedic & Trauma Surgery
Publication Type :
Academic Journal
Accession number :
60017998
Full Text :
https://doi.org/10.1007/s00402-010-1218-9