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This complication adversely impacts patients' quality of life due to persistent sensory abnormalities in the lower lip and chin region.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Main body<\/jats:title>\n            <jats:p>This narrative review summarizes anatomical risks and prevention\/management strategies. Cone-beam CT (CBCT) may clarify canal anatomy and support risk stratification. Nerve-sparing osteotomy modifications are intended to limit traction and direct exposure. Fixation choice may influence surrogate and early clinical outcomes; monocortical miniplates (MCF) may be associated with lower radiographic canal penetration and earlier recovery than bicortical screws (BCF), whereas long-term clinical differences are uncertain. Piezoelectric\/ultrasonic devices may improve precision and reduce tissue trauma, and virtual planning with 3D-printed guides may support safer osteotomy paths. For established IAN injury, photobiomodulation (PBM) may support earlier recovery; corticosteroid effects are route-dependent\u2014intravenous dexamethasone mainly reduces edema with uncertain NSD benefit, while local betamethasone at closure may yield early improvement.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>Comprehensive management likely requires integrated preoperative assessment, refined technique, and postoperative adjuncts. Current evidence supports considering multimodal approaches\u2014imaging-guided planning, nerve-sparing modifications, and PBM\u2014to potentially reduce NSD and enhance early recovery, while standardized protocols and larger studies are needed before firm recommendations.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/s40902-025-00486-5","type":"journal-article","created":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T09:03:18Z","timestamp":1760086998000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Evaluation, prevention, and treatment of inferior alveolar nerve injury in bilateral sagittal split mandibular osteotomy"],"prefix":"10.1186","volume":"47","author":[{"given":"Hao-ran","family":"Zhao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ning","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yao-xiang","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fu-chen","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen-lin","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,10,10]]},"reference":[{"key":"486_CR1","doi-asserted-by":"publisher","first-page":"1707","DOI":"10.1016\/j.joms.2007.05.009","volume":"65","author":"G Colella","year":"2007","unstructured":"Colella G, Cannavale R, Vicidomini A, Lanza A (2007) Neurosensory disturbance of the inferior alveolar nerve after bilateral sagittal split osteotomy: a systematic review. 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