{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T17:18:52Z","timestamp":1780507132165,"version":"3.54.1"},"reference-count":26,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,1,11]],"date-time":"2023-01-11T00:00:00Z","timestamp":1673395200000},"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>Compare changes in arch form after RME achieved by Expander with Differential Opening (EDO), Hyrax\u2010type and Haas\u2010type expanders.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Dental models were obtained from 61 patients aged 7\u201011\u2009years before expansion (T1) and 6\u00a0months after the active phase when the appliances were removed (T2). The groups were formed according to the expander used: EDO (n\u00a0=\u00a018, mean age: 9.46\u2009\u00b1\u20090.82\u2009years), Hyrax\u2010type (n\u00a0=\u00a022, mean age: 9.62\u2009\u00b1\u20091.57\u2009years) and Haas\u2010type (n\u00a0=\u00a021, mean age: 9.29\u2009\u00b1\u20091.05\u2009years). The expander`s activation protocol consisted of 7\u2009mm, except for EDO`s anterior screw, which was 9\u2009mm. The measurements of upper and lower intercanine distance, inter\u2010first permanent molar, arch perimeter and length, maxillary canine and first\u2010permanent molar inclination, and palatal depth were performed using the OrthoAnalyzer 3D software. Intergroup comparisons of T1 and between changes (T2\u2010T1) were performed using ANOVA followed by Tukey.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In the upper intercanine distance EDO provided a greater increase than Haas\u2010type. In the distance between upper fist permanent molars EDO showed higher values than Haas\u2010type and Hyrax\u2010type. In the lower intercanine distance and maxillary arch length, Haas\u2010type promoted higher increase than EDO.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The EDO promoted greater transverse changes in anterior region than Haas\u2010type and greater transverse changes in posterior region of the maxilla than both conventional expanders. The appliance used for RME influences dental arch changes after treatment; therefore, it is recommended to individualize the choice of expander depending on the clinical necessity of each case.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12629","type":"journal-article","created":{"date-parts":[[2022,12,26]],"date-time":"2022-12-26T09:05:18Z","timestamp":1672045518000},"page":"468-475","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Dental arch changes comparison between Expander with Differential Opening, Hyrax\u2010type and Haas\u2010type expanders: A prospective clinical study"],"prefix":"10.1111","volume":"26","author":[{"given":"Alisson Gabriel Idelfonso","family":"Bistaffa","sequence":"first","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luciana","family":"Belomo\u2010Yamaguchi","sequence":"additional","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Claudia","family":"de Castro\u00a0Ferreira\u00a0Conti","sequence":"additional","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR\/UNIDERP)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2285-5179","authenticated-orcid":false,"given":"Paula Vanessa Pedron","family":"Oltramari","sequence":"additional","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR\/UNIDERP)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2684-0943","authenticated-orcid":false,"given":"Marcio Rodrigues","family":"de Almeida","sequence":"additional","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR\/UNIDERP)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4283-1051","authenticated-orcid":false,"given":"Renata Rodrigues","family":"de Almeida\u2010Pedrin","sequence":"additional","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR\/UNIDERP)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4368-8568","authenticated-orcid":false,"given":"Thais Maria Freire","family":"Fernandes","sequence":"additional","affiliation":[{"name":"University of Northern Paran\u00e1 (UNOPAR\/UNIDERP)  Londrina PR Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,1,11]]},"reference":[{"key":"e_1_2_13_2_1","first-page":"73","article-title":"Rapid expansion of the maxillary dental arch and nasal cavity by opening the midpalatal suture","volume":"31","author":"Haas AJ","year":"1961","journal-title":"Angle Orthod"},{"key":"e_1_2_13_3_1","first-page":"67","article-title":"A hygienic appliance for rapid expansion","volume":"2","author":"Biederman W","year":"1968","journal-title":"J Pract Orthod"},{"key":"e_1_2_13_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9416(70)90241-1"},{"key":"e_1_2_13_5_1","first-page":"219","article-title":"Long\u2010term posttreatment evaluation of rapid palatal expansion","volume":"50","author":"Haas AJ","year":"1980","journal-title":"Angle Orthod"},{"key":"e_1_2_13_6_1","first-page":"242","article-title":"Evaluation of the midpalatal suture during rapid palatal expansion in children: a CT study","volume":"26","author":"Da Silva Filho OG","year":"2005","journal-title":"J Clin Pediatr Dent"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.1590\/S1806-83242012000300010"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2019.07.010"},{"key":"e_1_2_13_9_1","first-page":"265","article-title":"Dental arch changes comparison between expander with differential opening and fan\u2010type expander: a randomized controlled trial","volume":"3","author":"Massaro C","year":"2020","journal-title":"Eur J Orthod"},{"key":"e_1_2_13_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784-021-03832-9"},{"key":"e_1_2_13_11_1","first-page":"12","article-title":"Orthodontic treatment for posterior crossbites","volume":"24","author":"Ugolini A","year":"2021","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_13_12_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/cjw033"},{"key":"e_1_2_13_13_1","first-page":"1","article-title":"Evaluation of the accuracy of six intraoral scanning devices: an in\u2010vitro investigation","volume":"10","author":"Hack GD","year":"2015","journal-title":"ADA Professional Prod Rev"},{"key":"e_1_2_13_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00056-016-0070-0"},{"key":"e_1_2_13_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2012.08.022"},{"issue":"215","key":"e_1_2_13_16_1","first-page":"22","article-title":"Dimensional changes of dental arches produced by fixed and removable palatal cribs: a prospective, randomized, controlled study","volume":"2","author":"Slaviero T","year":"2017","journal-title":"Angle Orthod"},{"key":"e_1_2_13_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2015.11.022"},{"key":"e_1_2_13_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/0197-2456(86)90034-6"},{"key":"e_1_2_13_19_1","doi-asserted-by":"publisher","DOI":"10.2105\/AJPH.76.5.587"},{"key":"e_1_2_13_20_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/cjy066"},{"key":"e_1_2_13_21_1","doi-asserted-by":"publisher","DOI":"10.1067\/mod.2000.108254"},{"key":"e_1_2_13_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2010.07.025"},{"key":"e_1_2_13_23_1","doi-asserted-by":"publisher","DOI":"10.1590\/2177-6709.27.6.e2220525.oar"},{"key":"e_1_2_13_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9416(69)90037-2"},{"key":"e_1_2_13_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2013.04.022"},{"key":"e_1_2_13_26_1","first-page":"20","article-title":"Midpalatal suture maturation stage assessment in adolescents and young adults using cone\u2010beam computed tomography","volume":"8","author":"Jimenez\u2010Valdivia LM","year":"2019","journal-title":"Prog Orthod"},{"key":"e_1_2_13_27_1","doi-asserted-by":"publisher","DOI":"10.4103\/0976-237X.205066"}],"container-title":["Orthodontics &amp; Craniofacial Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ocr.12629","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/ocr.12629","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ocr.12629","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,17]],"date-time":"2023-08-17T18:49:31Z","timestamp":1692298171000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ocr.12629"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,1,11]]},"references-count":26,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2023,8]]}},"alternative-id":["10.1111\/ocr.12629"],"URL":"https:\/\/doi.org\/10.1111\/ocr.12629","archive":["Portico"],"relation":{},"ISSN":["1601-6335","1601-6343"],"issn-type":[{"value":"1601-6335","type":"print"},{"value":"1601-6343","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,1,11]]},"assertion":[{"value":"2022-05-25","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2022-12-17","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-01-11","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}