{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T15:54:23Z","timestamp":1791215663640,"version":"4.1.0"},"reference-count":29,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["ajodo.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Orthodontics and Dentofacial Orthopedics"],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.1016\/j.ajodo.2026.04.013","type":"journal-article","created":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T20:25:05Z","timestamp":1784924705000},"page":"476-484","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluation of periodontal ligament area of maxillary central incisors by a cone-beam computed tomography-periodontal ligament automatic segmentation network during orthodontic treatment"],"prefix":"10.1016","volume":"170","author":[{"given":"Li-ping","family":"Zhan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sha","family":"Su","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui-qi","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qing","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao-Feng","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajodo.2026.04.013_bib1","doi-asserted-by":"crossref","first-page":"115","DOI":"10.1093\/ejo\/cjz034","article-title":"Development of a clinical practice guideline for orthodontically induced external apical root resorption","volume":"42","author":"Sondeijker","year":"2020","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ajodo.2026.04.013_bib2","first-page":"1","article-title":"Dehiscence and fenestration in anterior teeth: comparison before and after orthodontic treatment","volume":"81","author":"Yan","year":"2020","journal-title":"J Orofac Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib3","doi-asserted-by":"crossref","first-page":"480","DOI":"10.2319\/061311-390.1","article-title":"Apical root resorption during orthodontic treatment. A prospective study using cone beam CT","volume":"82","author":"Lund","year":"2012","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2026.04.013_bib4","doi-asserted-by":"crossref","first-page":"700","DOI":"10.1016\/j.ajodo.2019.10.017","article-title":"External apical root resorption and vectors of orthodontic tooth movement","volume":"158","author":"Linkous","year":"2020","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib5","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1259\/dmfr\/30845402","article-title":"Alveolar bone loss around incisors in Class I bidentoalveolar protrusion patients: a retrospective three-dimensional cone beam CT study","volume":"41","author":"Nahm","year":"2012","journal-title":"Dentomaxillofac Radiol"},{"key":"10.1016\/j.ajodo.2026.04.013_bib6","doi-asserted-by":"crossref","first-page":"S109","DOI":"10.1016\/j.ajodo.2009.07.013","article-title":"Accuracy and reliability of cone-beam computed tomography for measuring alveolar bone height and detecting bony dehiscences and fenestrations","volume":"137","author":"Leung","year":"2010","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib7","doi-asserted-by":"crossref","first-page":"287","DOI":"10.1111\/ocr.12726","article-title":"Multivariate analysis of alveolar bone dehiscence and fenestration in anterior teeth after orthodontic treatment: a retrospective study","volume":"27","author":"Luo","year":"2024","journal-title":"Orthod Craniofac Res"},{"key":"10.1016\/j.ajodo.2026.04.013_bib8","doi-asserted-by":"crossref","first-page":"752","DOI":"10.1186\/s12903-023-03423-y","article-title":"Evaluation of the accuracy of cone-beam computed tomography image segmentation of isolated tooth roots based on the dynamic threshold method","volume":"23","author":"Su","year":"2023","journal-title":"BMC Oral Health"},{"key":"10.1016\/j.ajodo.2026.04.013_bib9","article-title":"Automatic tooth periodontal ligament segmentation of cone beam computed tomography based on instance segmentation network","volume":"10","author":"Su","year":"2024","journal-title":"Heliyon"},{"key":"10.1016\/j.ajodo.2026.04.013_bib10","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1016\/S0889-5406(94)70067-2","article-title":"Periodontal conditions after facial root tipping and palatal root torque of incisors","volume":"106","author":"Wehrbein","year":"1994","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib11","doi-asserted-by":"crossref","first-page":"212","DOI":"10.2319\/041812-325.1","article-title":"Morphometric evaluation of changes in the alveolar bone and roots of the maxillary anterior teeth before and after en masse retraction using cone-beam computed tomography","volume":"83","author":"Ahn","year":"2013","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2026.04.013_bib12","first-page":"638","article-title":"Changes in root and alveolar bone before and after treatment by retracting the upper incisors","volume":"36","author":"Wang","year":"2018","journal-title":"Hua Xi Kou Qiang Yi Xue Za Zhi"},{"key":"10.1016\/j.ajodo.2026.04.013_bib13","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/j.ajodo.2014.10.032","article-title":"Accuracy of cone-beam computed tomography in detecting alveolar bone dehiscences and fenestrations","volume":"147","author":"Sun","year":"2015","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib14","doi-asserted-by":"crossref","first-page":"394","DOI":"10.2319\/062912-534.1","article-title":"Factors related to alveolar bone thickness during upper incisor retraction","volume":"83","author":"Yodthong","year":"2013","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2026.04.013_bib15","doi-asserted-by":"crossref","first-page":"659","DOI":"10.1016\/j.ajodo.2016.03.027","article-title":"Morphologic evaluation of dentoalveolar structures of mandibular anterior teeth during augmented corticotomy-assisted decompensation","volume":"150","author":"Ahn","year":"2016","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib16","first-page":"702","article-title":"Morphological analysis of roots and alveolar bone changes after upper anterior retraction with maximum anchorage based on cone-beam computed tomography","volume":"48","author":"Wen","year":"2016","journal-title":"Beijing Da Xue Xue Bao Yi Xue Ban"},{"key":"10.1016\/j.ajodo.2026.04.013_bib17","article-title":"Morphological analysis of the alveolar bone of the anterior teeth in severe high-angle skeletal Class II and Class III malocclusions assessed with cone-beam computed tomography","volume":"14","author":"Ma","year":"2019","journal-title":"PLoS One"},{"key":"10.1016\/j.ajodo.2026.04.013_bib18","doi-asserted-by":"crossref","first-page":"30","DOI":"10.2319\/022920-146.1","article-title":"Alveolar bone response to maxillary incisor retraction using stable skeletal structures as a reference","volume":"91","author":"Eksriwong","year":"2021","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2026.04.013_bib19","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1067\/mod.2002.119804","article-title":"Changes in alveolar bone thickness due to retraction of anterior teeth","volume":"122","author":"Sarikaya","year":"2002","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib20","first-page":"4","article-title":"Cone beam computed tomography in evaluations of some side effects of orthodontic treatment","volume":"219","author":"Lund","year":"2011","journal-title":"Swed Dent J Suppl"},{"key":"10.1016\/j.ajodo.2026.04.013_bib21","doi-asserted-by":"crossref","first-page":"698.e19","DOI":"10.1016\/j.ajodo.2006.06.012","article-title":"Flaws in root resorption assessment algorithms: role of tooth shape","volume":"130","author":"Katona","year":"2006","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib22","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1067\/mod.2001.113409","article-title":"Predicting and preventing root resorption: Part I. Diagnostic factors","volume":"119","author":"Sameshima","year":"2001","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib23","doi-asserted-by":"crossref","DOI":"10.1155\/2016\/4864195","article-title":"Apical external root resorption and repair in orthodontic tooth movement: biological events","volume":"2016","author":"Feller","year":"2016","journal-title":"Biomed Res Int"},{"key":"10.1016\/j.ajodo.2026.04.013_bib24","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/0889-5406(89)90227-8","article-title":"Long-term evaluation of root resorption occurring during orthodontic treatment","volume":"96","author":"Remington","year":"1989","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib25","doi-asserted-by":"crossref","first-page":"67","DOI":"10.2319\/040811-250.1","article-title":"Dehiscence and fenestration in skeletal Class I, II, and III malocclusions assessed with cone-beam computed tomography","volume":"82","author":"Yagci","year":"2012","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2026.04.013_bib26","doi-asserted-by":"crossref","first-page":"133.e1","DOI":"10.1016\/j.ajodo.2010.02.021","article-title":"Dehiscence and fenestration in patients with Class I and Class II Division 1 malocclusion assessed with cone-beam computed tomography","volume":"138","author":"Evangelista","year":"2010","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2026.04.013_bib27","doi-asserted-by":"crossref","first-page":"595","DOI":"10.1111\/j.1708-8208.2010.00287.x","article-title":"Cone beam computed tomographic measurement of maxillary central incisors to determine prevalence of facial alveolar bone width \u22652mm","volume":"14","author":"Nowzari","year":"2012","journal-title":"Clin Implant Dent Relat Res"},{"key":"10.1016\/j.ajodo.2026.04.013_bib28","doi-asserted-by":"crossref","first-page":"4137","DOI":"10.1007\/s00784-022-04384-2","article-title":"Dehiscence and fenestration of Class I individuals with normality patterns in the anterior region: a CBCT study","volume":"26","author":"Sun","year":"2022","journal-title":"Clin Oral Investig"},{"key":"10.1016\/j.ajodo.2026.04.013_bib29","doi-asserted-by":"crossref","first-page":"168","DOI":"10.2319\/081823-566.1","article-title":"Recovery bone formation on radiographic palatal bone dehiscences after incisor retraction with microimplants","volume":"94","author":"Kim","year":"2024","journal-title":"Angle Orthod"}],"container-title":["American Journal of Orthodontics and Dentofacial Orthopedics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S088954062600288X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S088954062600288X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T15:20:51Z","timestamp":1791213651000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S088954062600288X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10]]},"references-count":29,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2026,10]]}},"alternative-id":["S088954062600288X"],"URL":"https:\/\/doi.org\/10.1016\/j.ajodo.2026.04.013","relation":{},"ISSN":["0889-5406"],"issn-type":[{"value":"0889-5406","type":"print"}],"subject":[],"published":{"date-parts":[[2026,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Evaluation of periodontal ligament area of maxillary central incisors by a cone-beam computed tomography-periodontal ligament automatic segmentation network during orthodontic treatment","name":"articletitle","label":"Article Title"},{"value":"American Journal of Orthodontics and Dentofacial Orthopedics","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajodo.2026.04.013","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 by the American Association of Orthodontists. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}]}}