Titlebook: Kostenrechnung 1; Grundlagen, Aufbau u Siegfried Hummel,Wolfgang M?nnel Textbook 1986Latest edition Betriebswirtschaftlicher Verlag Dr. Th.

Dislocation

Siegfried Hummel,Wolfgang M?nnelelt the language was unclear, we made only those worldwide, by many surgeons at many institutions. minor changes needed to facilitate understanding. The coating technology has expanded to include the For manuscripts submitted in a language other than revision setting in the hip, as well as unicompar

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Siegfried Hummel,Wolfgang M?nnelshown osteoinductive properties. For example, some specific Ca-P porous materials induced bone growth in nonosseous environments (15–19). Although the reasons behind osteoinduction by Ca-P remain unclear, osteoinduction strongly depends on the geometry of the material (20), the nature of the implant

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f bony ingrowth (3, 4). For these reasons great efforts have been concentrated on enhancement of bony ingrowth into the non-cemented prosthetic surface. Special interest has focused on hydroxyapatite which has been demonstrated to be successfully coated onto a metal surface using plasma spray techni

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e to the increasing number of joint replacements. Unfortunately, results after revision arthroplasty are clearly inferior to those of primary arthroplasty (1). Especially in younger active patients, the conventional prostheses do not live up to expectations and there is widespread concern about the

diskitis

Siegfried Hummel,Wolfgang M?nnel of total joint implants has withstood the test of time. apatite-coated (HA) hip implant in 1985, about 18 Our thanks are due to the authors of chapters in this volume for the effort they made to write and years ago. This was followed in 1986 by other HA submit their work to us in a timely fashion.

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Siegfried Hummel,Wolfgang M?nneleointegration of orthopedic implants is related to both their surface morphology and the nature of Ca-P coating. On one hand, porous surfaced-implants can enhance bone ingrowth as compared to dense implants . (1–3). On the other hand, Ca-P coated implants stimulate the early bone formation onto the