G. H. I. M. WALENKAMP, D. W. MURRAY Since the first use of bone cement, there has been much discussion about this important tool in arthroplasty. Many authors consider the cemented prosthesis as the gold standard when evaluating the outcome of primary prostheses. In a large number of total hip arthroplasties, as registered in the Scandi navian Hip Registers, important differences in revision risks have been docu mented between hospitals. These differences are partly due to the use of di verse cement techniques. In the analysis of data, the influence of these tech niques, as well as the...