{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T02:33:54Z","timestamp":1775615634224,"version":"3.50.1"},"reference-count":23,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2025,3,28]],"date-time":"2025-03-28T00:00:00Z","timestamp":1743120000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,3,28]],"date-time":"2025-03-28T00:00:00Z","timestamp":1743120000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100002386","name":"Cairo University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100002386","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Oral Invest"],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Objective<\/jats:title>\n            <jats:p>Complex mandibular anatomy including rolled-out inferior mandibular border, thin rami with cortically adherent inferior alveolar nerve (IAN) complicate the application of the current mandibular osteotomies. This study aims to introduce an intraoral Inverted-L Ramus Osteotomy (ILRO) modified with IAN lateralization and intra-canal osteotomy for management of complex mandibular anatomical variations during mandibular setback surgery.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Patients and Methods<\/jats:title>\n            <jats:p>This prospective study included 20 skeletal class III patients (mean age: 21.6\u2009\u00b1\u20093.3 years) with complex mandibular anatomy indicated for mandibular setback surgery (mean setback: 6.05\u2009\u00b1\u20091.1\u00a0mm). Preoperative CBCT imaging, digital planning, and fabrication of cutting \/ drilling guides were performed. Surgery involved mandibular setback through the application of the ILRO modified with nerve lateralization and intra-canal osteotomy. IAN function evaluated preoperatively at intervals up to one year postoperatively. Data on bad splits and surgical duration were also analyzed.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>The mean surgical duration was 2.26\u2009\u00b1\u20090.21\u00a0h, with bilateral IAN exposure completed in 11\u2009\u00b1\u20093.2\u00a0min per side. All 40 osteotomy sites were separated without bad splits. Neurosensory deficits were observed in 90% of patients at two months, decreasing to 35% at six months and 5% at one year.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>The introduced osteotomy overcomes the limitations of the traditional mandibular osteotomies in dealing with mandibular complex anatomy with adequate IAN protection and split segments integrity during mandibular setback surgery.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Clinical relevance<\/jats:title>\n            <jats:p>The introduced osteotomy provides a safe alternative to the current mandibular osteotomies utilized in mandibular setback surgery.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1007\/s00784-025-06239-y","type":"journal-article","created":{"date-parts":[[2025,3,31]],"date-time":"2025-03-31T02:18:33Z","timestamp":1743387513000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["A Novel Intraoral Mandibular Osteotomy For Set-Back Surgery In Complex Mandibular Anatomy"],"prefix":"10.1007","volume":"29","author":[{"given":"Mohammed","family":"Omara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sherif","family":"Ali","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yassin Salah","family":"Alian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nehal Ibrahim","family":"Shobair","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,3,28]]},"reference":[{"issue":"12","key":"6239_CR1","doi-asserted-by":"publisher","first-page":"2508","DOI":"10.1016\/j.joms.2014.05.008","volume":"72","author":"M Aarabi","year":"2014","unstructured":"Aarabi M, Tabrizi R, Hekmat M, Shahidi S, Puzesh A (2014) Relationship between mandibular anatomy and the occurrence of a bad split upon sagittal split osteotomy. 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