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An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
The effect of bone porosity on the shear strength of the bone-cement interface
Rouin Amirfeyz1, Gordon Bannister
1Avon Orthopaedic Centre, Southmead Hospital, Bristol, UK. ramirfeyz@yahoo.com
Abstract:
This study investigated the relationship of bone porosity and bone-cement interface shear strength. One hundred forty-six samples were taken from the distal metaphysis of 20 bovine femora. After cementation, the shear strength of the bone-cement interface was tested. According to the porosity, the samples were divided into four groups. Group I (porosity <80%) had a median interface shear strength of 4.03 MPa, group II (80%
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