LooseningThe implant is fixed to the bone either with bone cement or by biological fixation but the stresses at the implant-bone interface are substantial and also bone remodels with time. Also wear from the articulation, particularly the metal-plastic articulation, small particles of polyethylene can cause bone resorption with subsequent loosening of the socket and/or the stem (link to example cases of revision for loosening). |  | Related ArticlesHip revision
A joint replacement is a mechanical device and like any mechanical device there is always...
11/10/2012 16:15:44
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Hip Wear
Wear occurs as a result of the movement of the femoral head against the polyethylene and v...
17/06/2008 12:39:21
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Loosening
Loosening can occur as a result of the wear process of polyethylene or just the mechanical...
16/06/2008 17:08:24
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Fracture
Occasionally a fracture may occur around the prosthesis as a result of a severe trauma su...
16/06/2008 17:01:39
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Dislocation
Dislocation is a process where the ball joint comes out of the socket. It is more l...
16/06/2008 17:01:20
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Revision hip with structural bone grafting
This 51 year old lady had three previous revisions of her left total hip replacement. The ...
16/06/2008 16:40:26
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