{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T20:31:11Z","timestamp":1791664271856,"version":"4.3.4"},"reference-count":30,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,8,27]],"date-time":"2021-08-27T00:00:00Z","timestamp":1630022400000},"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":[[2022,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>The objective was to evaluate the magnitude, incidence and possible factors of asymmetric expansion with a customized microimplant\u2010supported rapid palatal expander (MARPE) in non\u2010growing patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting and sample population<\/jats:title><jats:p>This retrospective study included a sample of 49 patients (mean age: 23.9\u00a0\u00b1\u00a03.9\u00a0years) treated with a customized microimplant\u2010supported rapid palatal expander. Based on the symmetry of expansion, the sample was divided into Group S (symmetric expansion group, n\u00a0=\u00a026) and Group A (asymmetric expansion group, n\u00a0=\u00a023).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Pre\u2010 and post\u2010treatment cone\u2010beam computed tomography (CBCT) images were superimposed to assess skeletal change in both studied groups. Seven variables were tested: unilateral crossbite, maxillary base cant, chin deviation, the initial asymmetrical position of the mid\u2010palatal suture, split pattern of frontomaxillary suture, Angle's classification and dental arch crowding. Paired t\u2010test and logistic regression analyses were utilized to evaluate the possible factors behind the asymmetric expansion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There was a significant difference (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.01) between the studied groups. The average expansion was 4.26\u00a0mm at the anterolateral maxillary walls (BB) and 3.83\u00a0mm at the greater palatine foramen region (GPF). The average expansion at the GPF was 90% of that at the BB. The frequency of asymmetric expansion was 46.9%. Among the seven tested variables, the presence of the initial asymmetric position of the mid\u2010palatal suture is the only variable that showed correlation with asymmetric expansion.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Initial asymmetric position of the mid\u2010palatal suture is considered a contributing factor of skeletal asymmetric expansion following microimplant\u2010supported rapid palatal expansion in skeletally comparable patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12531","type":"journal-article","created":{"date-parts":[[2021,8,17]],"date-time":"2021-08-17T15:54:25Z","timestamp":1629215665000},"page":"234-242","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Three\u2010dimensional assessment of asymmetric mid\u2010palatal suture expansion assisted by a customized microimplant\u2010supported rapid palatal expander in non\u2010growing patients: Uncontrolled Clinical Trial"],"prefix":"10.1111","volume":"25","author":[{"given":"Bushra Sufyan","family":"Almaqrami","sequence":"first","affiliation":[{"name":"Department of Orthodontics Hubei\u2010MOST KLOS &amp; KLOBM School &amp; Hospital of Stomatology Wuhan University  Wuhan China"},{"name":"Department of Orthodontics and Dentofacial Orthopedics Faculty of Dentistry Ibb University  Ibb Yemen"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maged Sultan","family":"Alhammadi","sequence":"additional","affiliation":[{"name":"Division of Orthodontics and Dentofacial Orthopedics Department of Preventive Dental Sciences Faculty of Dentistry Jazan University  Jazan Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Majedh Abdo Ali","family":"Al\u2010somairi","sequence":"additional","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics Faculty of Dentistry Ibb University  Ibb Yemen"},{"name":"Orthodontic Department School of Stomatology Lanzhou University  Lanzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enas Senan","family":"ALyafrusee","sequence":"additional","affiliation":[{"name":"Department of Orthodontics and Dentofacial Orthopedics Faculty of Dentistry Ibb University  Ibb Yemen"},{"name":"Orthodontic Department School of Stomatology Lanzhou University  Lanzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Xiong","sequence":"additional","affiliation":[{"name":"Department of Orthodontics Hubei\u2010MOST KLOS &amp; 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