Abstract

The effect of gamma radiation on the dynamic mechanical properties of cortical bone was accessed in this study. The cortical bone samples were divided into two groups: an untreated control specimens and specimens subjected to gamma radiation sterilization. A dose of 30 kGy was used to sterilize the bone samples. Unlike the quasi-static mechanical tests, dynamic mechanical test have shown that gamma-irradiated cortical bone has increased yield stress, ultimate stress and modulus of elasticity. Statistical differences were determined by the Mann–Whitney test at a significance level of P<0.05

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