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dc.contributor.authorJuvonen, Tiina
dc.contributor.authorNuutinen, Juha-Pekka
dc.contributor.authorKoistinen, Arto P
dc.contributor.authorKröger, Heikki
dc.contributor.authorLappalainen, Reijo
dc.date.accessioned2016-06-14T12:01:53Z
dc.date.available2016-06-14T12:01:53Z
dc.date.issued2015-07-30
dc.identifier10.1186/s12938-015-0069-6
dc.identifier.citationJuvonen Tiina, Nuutinen Juha-Pekka, Koistinen Arto P, Kröger Heikki, Lappalainen Reijo. Biomechanical evaluation of bone screw fixation with a novel bone cement. BioMedical Engineering OnLine201514:74 DOI: 10.1186/s12938-015-0069-6 © Juvonen et al. 2015fi_FI
dc.identifier.issn1475-925X
dc.identifier.urihttps://erepo.uef.fi/handle/123456789/91
dc.descriptionArticle
dc.description.abstractBackground Bone cement augmentation is commonly used to improve the fixation stability of orthopaedic implants in osteoporotic bone. The aim of this study was to evaluate the effect of novel bone cements on the stability of bone screw fixation by biomechanical testing and to compare them with a conventional Simplex®P bone cement and requirements of the standards. Methods Basic biomechanical properties were compared with standard tests. Adhesion of bone cements were tested with polished, glass blasted and corundum blasted stainless steel surfaces. Screw pullout testing with/without cement was carried out using a synthetic bone model and cancellous and cortical bone screws. Results All the tested bone cements fulfilled the requirements of the standard for biomechanical properties and improved the screw fixation stability. Even a threefold increase in shear and tensile strength was achieved with increasing surface roughness. The augmentation improved the screw pullout force compared to fixation without augmentation, 1.2–5.7 times depending on the cement and the screw type. The good biomechanical properties of novel bone cement for osteoporotic bone were confirmed by experimental testing. Conclusion Medium viscosity of the bone cements allowed easy handling and well-controlled penetration of bone cement into osteoporotic bone. By proper parameters and procedures it is possible to achieve biomechanically stable fixation in osteoporotic bone. Based on this study, novel biostable bone cements are very potential biomaterials to enhance bone screw fixation in osteoporotic bone. Novel bone cement is easy to use without hand mixing using a dual syringe and thus makes it possibility to use it as required during the operation.fi_FI
dc.language.isoenfi_FI
dc.publisherSpringer Science + Business Mediafi_FI
dc.relation.ispartofseriesBioMedical Engineering OnLine
dc.relation.urihttp://dx.doi.org/10.1186/s12938-015-0069-6
dc.rightsCC BY 4.0 http://creativecommons.org/licenses/by/4.0/
dc.subjectOsteoporosisfi_FI
dc.subjectBone cementfi_FI
dc.subjectMechanical testfi_FI
dc.subjectScrew fixationfi_FI
dc.subjectCement augmentationfi_FI
dc.titleBiomechanical evaluation of bone screw fixation with a novel bone cementfi_FI
dc.typehttp://purl.org/eprint/type/JournalArticle
dc.description.versionPublisher's pdf
dc.contributor.departmentFaculty of Science and Forestry
uef.solecris.id34150598
eprint.statushttp://purl.org/eprint/status/PeerReviewed
dc.type.publicationinfo:eu-repo/semantics/article
dc.rights.accessrights© Authors
dc.relation.doi10.1186/s12938-015-0069-6
dc.description.reviewstatushttp://purl.org/eprint/status/PeerReviewed
dc.relation.articlenumber74
dc.relation.issn1475-925X
dc.relation.volume14
dc.rights.accesslevelopenAccess


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