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Dislocation of total hip replacements. A comparative study of standard, long posterior wall and augmented acetabular
R M Nicholas1, J F Orr, R A Mollan
1Queen's University, Belfast.
Abstract:
Augmentation of the acetabular component of total hip replacements is a method of increasing stability and preventing recurrent dislocation. We report a series of mechanical experiments designed to evaluate the turning moments and angles required to dislocate standard, long posterior wall and two different augmented prostheses.