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To overcome these deficiencies, we introduced in this study a porous swelling co\u2010polymeric material and studied its swelling and compressive mechanical characteristics as bone anchor under different configurations. Porosity was achieved by adding a non\u2010dissolvable agent (NaCl) during the process of polymerization, which was later dissolved in water, leaving behind a porous structure with adequate porosity for osteointegration. Three different groups of cylindrical samples of the swelling co\u2010polymer were investigated. Solid, fully porous, and partially porous with a solid core and a porous outer layer. The results of the swelling and simple compression study show that the partially porous swelling co\u2010polymer maintains excellent mechanical properties matching those of cancellous bone, quick swelling response, and an adequate porous outer layer for mechanically induced osteointegration. These suggest that this material may present an effective alternative to conventional bone anchors particularly in low\u2010density bone.<\/jats:p>","DOI":"10.1002\/jbm.b.35238","type":"journal-article","created":{"date-parts":[[2023,2,23]],"date-time":"2023-02-23T09:38:13Z","timestamp":1677145093000},"page":"1342-1350","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A porous swelling copolymeric material for improved implant fixation to bone"],"prefix":"10.1002","volume":"111","author":[{"given":"Sorin","family":"Siegler","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering Drexel University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Moein","family":"Taghvaei","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Drexel University  Philadelphia Pennsylvania 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