{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T16:46:45Z","timestamp":1791650805740,"version":"4.3.4"},"reference-count":26,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2022,7,11]],"date-time":"2022-07-11T00:00:00Z","timestamp":1657497600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31900967"],"award-info":[{"award-number":["31900967"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82072491"],"award-info":[{"award-number":["82072491"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006606","name":"Natural Science Foundation of Tianjin City","doi-asserted-by":"publisher","award":["19JCQNJC09300"],"award-info":[{"award-number":["19JCQNJC09300"]}],"id":[{"id":"10.13039\/501100006606","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006606","name":"Natural Science Foundation of Tianjin City","doi-asserted-by":"publisher","award":["20JCYBJC00820"],"award-info":[{"award-number":["20JCYBJC00820"]}],"id":[{"id":"10.13039\/501100006606","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2022,8]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To compare the biomechanical properties of percutaneous cement discoplasty (PCD) in the spinal column between different implant\u2010endplate friction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A validated L3\u2010Scarumfinite element (FE) model was modified for simulation. In the PCD model, the L4\/5 level was modified based on model 1 (M1) and model 2 (M2). In M1, the interaction between bone cement and endplate was defined as face\u2010to\u2010face contact with a friction coefficient of 0.3; in M2, the contact was defined as a Tie constraint. 7.5\u2009N\u2009m moments of four physiological motions and axial load of 15, 100 and 400\u2009N preload were imposed at the top of L3. The range of motion (ROM) and interface stress analysis of endplates, annulus fibrosus and bone cement of the operated level were calculated for comparisons among the three models.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The ROM of M1 and M2 increased when compared with the intact model during flexion (FL) (17.5% <jats:italic>vs<\/jats:italic> 10.0%), extension (EX) (8.8% <jats:italic>vs<\/jats:italic> \u22128.8%), left bending (LB) (19.0% <jats:italic>vs<\/jats:italic> \u221217.2%) and left axial rotation (LR) (34.6% <jats:italic>vs<\/jats:italic> \u22123.8%). The stress of annulus fibrosus in M1 and M2 decreased in FL (\u221248.4% <jats:italic>vs<\/jats:italic> \u221257.5%), EX (\u221225.7% <jats:italic>vs<\/jats:italic> \u221214.7%), LB (\u221247.5% <jats:italic>vs<\/jats:italic> \u221252.4%), LR (\u221261.4% <jats:italic>vs<\/jats:italic> \u221268.7%) and axis loading of 100\u2009N (\u221241.5% <jats:italic>vs<\/jats:italic> \u221215.3%), and 400\u2009N (\u221227.9% <jats:italic>vs<\/jats:italic> \u221227.3%). The stress of upper endplate of M1 and M2 increased in FL (24.6% <jats:italic>vs<\/jats:italic> 24.7%), LB (82.2% <jats:italic>vs<\/jats:italic> 89.5%), LR (119% <jats:italic>vs<\/jats:italic> 62.4%) and axis loading of 100\u2009N (64.6% <jats:italic>vs<\/jats:italic> 45.5%), and 400\u2009N (58.2% <jats:italic>vs<\/jats:italic> 24.3%), but was similar in EX (2.9% <jats:italic>vs<\/jats:italic> 0.3%). The stress of lower endplate of M1 and M2 increased in FL (170.9% <jats:italic>vs<\/jats:italic> 175.0%), EX (180.8% <jats:italic>vs<\/jats:italic> 207.7%), LB (302.6% <jats:italic>vs<\/jats:italic> 274.7%), LR (332.4% <jats:italic>vs<\/jats:italic> 132.8%) and axis loading of 100\u2009N (350.7% <jats:italic>vs<\/jats:italic> 168.6%), and 400\u2009N (165.2% <jats:italic>vs<\/jats:italic> 106.7%).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Percutaneous cement discoplasty procedure could make effect on the mobility or stiffness. The fusion of bone cement and endplate might have more biomechanical advantages, including of the decreasing rate of implant subsidence and dislocation, and the increase spine stability.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.13314","type":"journal-article","created":{"date-parts":[[2022,7,12]],"date-time":"2022-07-12T05:34:15Z","timestamp":1657604055000},"page":"1853-1863","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Biomechanical Evaluation of Spinal Column after Percutaneous Cement Discoplasty: A Finite Element Analysis"],"prefix":"10.1111","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5538-0798","authenticated-orcid":false,"given":"Shuang","family":"Li","sequence":"first","affiliation":[{"name":"College of Orthopaedics Tianjin Medical University  Tianjin China"},{"name":"Department of Bone and Tissue Oncology Tianjin Hospital, Tianjin University  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4121-1835","authenticated-orcid":false,"given":"Baoshan","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Minimally Invasive Spine Surgery Tianjin Hospital, Tianjin University  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2207-6845","authenticated-orcid":false,"given":"Yancheng","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Bone and Tissue Oncology Tianjin Hospital, Tianjin University  Tianjin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4924-6418","authenticated-orcid":false,"given":"Jingyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Bone and Tissue Oncology Tianjin Hospital, Tianjin University  Tianjin 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