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Acetabular allograft reconstruction in total hip arthroplasty. Part I: Current concepts in biomechanics.

Allograft reconstruction has become an essential tool for restoration of acetabular bone stock lost in failed total hip arthroplasty or resected in tumor reconstruction. This first segment of a two-part review will discuss the current status of allograft applications, together with pertinent biologic and biochemical aspects. Part II will address surgical considerations and recent clinical experience.