Luxation Test of Different Ceramic on Ceramic Couplings


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Alumina and zirconia have been used for hip joint prostheses for decades. With mixtures of both materials (ZTA and ATZ) mechanical strength can be increased. The resistance against damaging of the surface of the ceramic articulation partners head and liner was investigated using a special luxation apparatus (PI-3:1997-07, Endolab GmbH, Thansau, Germany). Both new ceramic materials ZTA and ATZ showed a better resistance against roughening and damaging of the stressed surface areas during the luxation test compared to alumina.



Key Engineering Materials (Volumes 330-332)

Main Theme:

Edited by:

Xingdong Zhang, Xudong Li, Hongsong Fan, Xuanyong Liu




T. Oberbach et al., "Luxation Test of Different Ceramic on Ceramic Couplings", Key Engineering Materials, Vols. 330-332, pp. 1235-1238, 2007

Online since:

February 2007




[1] T. Oberbach, S. Begand, W. Glien: Key Eng. Mater. Vol. 309-311 (2005), p.1269.

[2] Luxation test according to PI-3: 1997-07 (accredited procedure at Endolab GmbH, Thansau / Rosenheim, Germany).

[3] C. Kaddick, E. Steinhauser, D. Köhler, R. Gradinger.: Determination of Resistance to Luxations/Repositions of Total Hip Joint Prostheses in: Puhl, W. (ed. ) Bioceramics in Orthopaedics Enke, Stuttgart 1998, p.25.

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