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1 2012

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Applicability of Indicators of Trabecular Bone Structure for Evaluation of its Mechanical Properties

Cichański A., Nowicki K., Mazurkiewicz A., Topoliński T.

Acta Mechanica et Automatica

2012

Vol. 6, no. 3

27-30

The paper presents the results of examination of relations between indicators describing trabecular bone structure and its static and cyclic compressive strength. Samples of human trabecular bone were subject to microtomographic tests in order to specify indicators describing its structure. Part of the samples was subject to static compression tests, part to cyclic compressing loads with stepwise increasing amplitude. Evaluation of a degree of applicability level of estimation of bone compressive strength properties was conducted based upon values of structure indicators. Evaluation was performed based upon values of obtained determination coefficients R2 for linear regression. Obtained R2 values were within the range of 0.30-0.51 for relations between examined indicators and static compressive strength within the range of 0.47-0.69 for relations with the results of cyclic test with stepwise increasing amplitude.