{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T18:59:09Z","timestamp":1782413949342,"version":"3.54.5"},"reference-count":39,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2023,10,1]],"date-time":"2023-10-01T00:00:00Z","timestamp":1696118400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["3D Printing and Additive Manufacturing"],"published-print":{"date-parts":[[2023,10,1]]},"abstract":"<jats:p>In pelvic trauma patients, the mismatch of complex geometries between the pelvis and fixation implant is a fundamental cause of unstable and displaced pelvic ring disruption, in which secondary intervention is strongly considered. The geometrical matching in the current customized implant design and clinical practice is through the nonfractured hemi-pelvis for the fractured pelvis. This design philosophy overlooks the anatomical difference between the hemipelves, and further, the geometrical asymmetry at local area still remains unknown. This study analyzed the anatomical asymmetry of a patient's 3D pelvic models from 13 patients. The hemipelves of each patient were registered by using an iterative closet algorithm to an optimum position with minimum deviations. The high deviation regions were summarized between the hemipelves in each case, and a color map was drawn on a hemipelvis model that identified the areas that had a high possibility to be symmetrically different. A severe pelvic trauma case was used to comprehend the approach by designing a 3D printed implant. Each fracture was then registered to the mirrored uninjured hemipelvis by using the same algorithm, and customized fixation implants were designed with reference to the fractured model. The customized fixation plates showed that the implants had lower geometrical deviation when attached onto the re-stitched fracture side than onto the mirrored nonfractured bone. These results indicate that the symmetrical analysis of bone anatomy and the deviation color map can assist with implant selection and customized implant design given the geometrical difference between symmetrical bones. The novel approach provides a scientific reference that improves the accuracy and overall standard of 3D printed implants.<\/jats:p>","DOI":"10.1089\/3dp.2021.0121","type":"journal-article","created":{"date-parts":[[2021,12,23]],"date-time":"2021-12-23T16:16:37Z","timestamp":1640276197000},"page":"984-991","source":"Crossref","is-referenced-by-count":5,"title":["A Novel Approach of Customized Pelvic Implant Design Based on Symmetrical Analysis and 3D Printing"],"prefix":"10.1177","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6977-6155","authenticated-orcid":false,"given":"Yuan","family":"Chai","sequence":"first","affiliation":[{"name":"Trauma and Orthopaedic Research Laboratory, Department of Surgery, The Medical School, The Australian National University, Canberra, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao-Bo","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Engineering, RMIT University, Carlton, Victoria, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jesse A.","family":"Estoque","sequence":"additional","affiliation":[{"name":"Trauma and Orthopaedic Research Laboratory, Department of Surgery, The Medical School, The Australian National University, Canberra, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nick","family":"Birbilis","sequence":"additional","affiliation":[{"name":"College of Engineering and Computer Science, The Australian National University, Canberra, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinghua","family":"Qin","sequence":"additional","affiliation":[{"name":"College of Engineering and Computer Science, The Australian National University, Canberra, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomas","family":"Ward","sequence":"additional","affiliation":[{"name":"Department of Emergency, The Canberra Hospital, Canberra, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul N.","family":"Smith","sequence":"additional","affiliation":[{"name":"Trauma and Orthopaedic Research Unit, Clinical Orthopaedic Surgery, The Canberra Hospital, Canberra, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7053-7928","authenticated-orcid":false,"given":"Rachel W.","family":"Li","sequence":"additional","affiliation":[{"name":"John Curtin School of Medical Research, The Australian National University, Acton, Australian Capital Territory, Australia."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,10,10]]},"reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1089\/3dp.2017.0043"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4939-2113-3"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1097\/BLO.0b013e31809e6e45"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.media.2010.02.008"},{"key":"e_1_3_4_6_2","first-page":"282","article-title":"A method for optimal fit of patient-specific fracture fixation plates","volume":"230","author":"Harith H","year":"2016","unstructured":"Harith H, , Malekani J, , Schmutz B, et al. 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