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EnglishThis study was focused on the bone tissue response to cement in failed hip joint prostheses. The investigation was carried out by means of micro-beam X-ray diffractometric (XRD) analysis of the bone-cement interface. Nine cemented prostheses retrieved because of loosening were studied. This research has demonstrated that the newly formed bone close to the cement in loosened prostheses showed a normal apatitic structure, though bone tissue was often found poorly mineralized. In contrast, in stable prostheses well-mineralized bone was observed. In both cases, however, the bone apatite lattice at the interface was shown not to be different from pre-existing bone. The authors conclude that the mineralization process close to the cement can be thoroughly evaluated by micro-beam XRD techniques. © 1994 Chapman & Hall.
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| Data di pubblicazione: | 1994 | |
| Titolo: | X-ray diffraction analysis of bone-cement interface in failed hip arthroplasties | |
| Autori: | Savarino, L.; Stea, S.; Granchi, D.; Donati, M. E.; Paganetto, G.; Pizzoferrato, A.; Toni, A. | |
| Rivista: | JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE | |
| Parole Chiave: | Biophysics; Bioengineering; Biomaterials; Biomedical Engineering | |
| Abstract in inglese: | This study was focused on the bone tissue response to cement in failed hip joint prostheses. The investigation was carried out by means of micro-beam X-ray diffractometric (XRD) analysis of the bone-cement interface. Nine cemented prostheses retrieved because of loosening were studied. This research has demonstrated that the newly formed bone close to the cement in loosened prostheses showed a normal apatitic structure, though bone tissue was often found poorly mineralized. In contrast, in stable prostheses well-mineralized bone was observed. In both cases, however, the bone apatite lattice at the interface was shown not to be different from pre-existing bone. The authors conclude that the mineralization process close to the cement can be thoroughly evaluated by micro-beam XRD techniques. © 1994 Chapman & Hall. | |
| Digital Object Identifier (DOI): | 10.1007/BF00120347 | |
| Handle: | http://hdl.handle.net/11392/2376609 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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