{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T14:00:33Z","timestamp":1771682433097,"version":"3.50.1"},"reference-count":33,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,2,5]],"date-time":"2023-02-05T00:00:00Z","timestamp":1675555200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthod Craniofacial Res"],"published-print":{"date-parts":[[2023,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The aim of this study was to evaluate the long\u2010term volumetric changes of the upper airway compartments in response to counterclockwise bimaxillary advancement surgery with multi\u2010piece maxillary osteotomy, and to analyse the relationship between the postoperative stability of the maxillomandibular skeletal complex, and the volumetric airway changes over\u2010time.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methodology<\/jats:title><jats:p>Twenty\u2010seven sets of pre (T0), post (T1) and follow\u2010up (T2) (20.15\u2009months) CBCT scans were used. The upper airway was isolated into five compartments: soft and bony nasal cavity (SNC, BNC), nasopharynx (NP), oropharynx (OP) and hypopharynx (HP) using Mimics V.22 software. The volumetric changes and the correlation between the airway change and the skeletal movements were analysed using repeated measure ANOVA, and Pearson's correlation coefficient, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results showed a significant decrease in SNC and BNC (10.94% and 7.69%, <jats:italic>p<\/jats:italic>\u00a0&lt;\u2009.05) at T1. However, SNC presented a significant recovery (11.73%, <jats:italic>p<\/jats:italic>\u00a0&lt;\u2009.05) at T2. NP, OP and HP segments presented significant and stable increases over time (10.41%, 53.62%, 24.70%, <jats:italic>p<\/jats:italic>\u00a0&lt;\u2009.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This surgical approach produced a significant increase in OP and HP volumes in short and long term without a significant relapse, NP showed a significant increase in long term only, SNC and BNC volumes showed a significant decrease post\u2010surgery which was only partially maintained for BNC.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12636","type":"journal-article","created":{"date-parts":[[2023,1,27]],"date-time":"2023-01-27T13:54:01Z","timestamp":1674827641000},"page":"510-523","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Effects of counterclockwise bimaxillary advancement surgery and relapse on upper airway"],"prefix":"10.1111","volume":"26","author":[{"given":"Aylin Gallegos","family":"Salazar","sequence":"first","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine Boston University  Boston Massachusetts USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1066-341X","authenticated-orcid":false,"given":"Ahmed","family":"AlSulaiman","sequence":"additional","affiliation":[{"name":"Department of Preventive Dental Sciences, College of Dentistry Imam Abdulrahman Bin Faisal University  Dammam Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Goli","family":"Parsi","sequence":"additional","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine Boston University  Boston Massachusetts USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Gunson","sequence":"additional","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine Boston University  Boston Massachusetts USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7456-136X","authenticated-orcid":false,"given":"Leslie A.","family":"Will","sequence":"additional","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine Boston University  Boston Massachusetts USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6142-7804","authenticated-orcid":false,"given":"Melih","family":"Motro","sequence":"additional","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics, Henry M. 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