The objective of the present study was (1) to test the hypothesis that the elastic and failure properties of the cancellous bone of the mandibular condyle depend on the loading direction, and (2) to relate these properties to bone density parameters. Uniaxial compression tests were performed on cylindrical specimens (n=47) obtained from the condyles of 24 embalmed cadavers. Two loading directions were examined, i.e., a direction coinciding with the predominant orientation of the plate-like trabeculae (axial loading) and a direction perpendicular to the plate-like trabeculae (transverse loading). Archimedes' principle was applied to determine bone density parameters. The cancellous bone was in axial loading 3.4 times stiffer and 2.8 times stronger upon failure than in transverse loading. High coefficients of correlation were found among the various mechanical properties and between them and the apparent density and volume fraction. The anisotropic mechanical properties can possibly be considered as a mechanical adaptation to the loading of the condyle in vivo. Copyright © 2001 Elsevier Science Ltd.
CITATION STYLE
Giesen, E. B. W., Ding, M., Dalstra, M., & Van Eijden, T. M. G. J. (2001). Mechanical properties of cancellous bone in the human mandibular condyle are anisotropic. Journal of Biomechanics, 34(6), 799–803. https://doi.org/10.1016/S0021-9290(01)00030-6
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