{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T16:38:56Z","timestamp":1785775136556,"version":"3.56.0"},"reference-count":46,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[2014,2,1]],"date-time":"2014-02-01T00:00:00Z","timestamp":1391212800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2014,2,1]],"date-time":"2014-02-01T00:00:00Z","timestamp":1391212800000},"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":[[2014,2]]},"DOI":"10.1016\/j.ajodo.2013.10.017","type":"journal-article","created":{"date-parts":[[2014,2,2]],"date-time":"2014-02-02T00:30:33Z","timestamp":1391301033000},"page":"207-216","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":18,"title":["Maxillary arch width and buccal corridor changes with orthodontic treatment. Part 1: Differences between premolar extraction and nonextraction treatment outcomes"],"prefix":"10.1016","volume":"145","author":[{"given":"Anna H.","family":"Meyer","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael G.","family":"Woods","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David J.","family":"Manton","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajodo.2013.10.017_bib1","first-page":"422","article-title":"Factors affecting patient satisfaction after orthodontic treatment","volume":"76","author":"Al-Omiri","year":"2006","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib2","first-page":"93","article-title":"Integumental contour and extension patterns","volume":"29","author":"Burstone","year":"1959","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib3","first-page":"51","article-title":"Lip curve changes in females with premolar extraction or nonextraction treatment","volume":"74","author":"Moseling","year":"2004","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib4","doi-asserted-by":"crossref","first-page":"808","DOI":"10.2319\/081706-336","article-title":"Incisal and soft tissue effects of maxillary premolar extraction in Class II treatment","volume":"77","author":"Tadic","year":"2007","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib5","first-page":"71","article-title":"Lip curve changes in males with premolar extraction or nonextraction treatment","volume":"21","author":"Lin","year":"2004","journal-title":"Aust Orthod J"},{"key":"10.1016\/j.ajodo.2013.10.017_bib6","doi-asserted-by":"crossref","first-page":"515","DOI":"10.2319\/052209-286.1","article-title":"Young people's esthetic perception of dental midline deviation","volume":"80","author":"Zhang","year":"2010","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib7","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1067\/mod.2001.114301","article-title":"The importance of incisor positioning in the esthetic smile: the smile arc","volume":"120","author":"Sarver","year":"2001","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib8","first-page":"557","article-title":"Attractiveness of variations in the smile arc and buccal corridor space as judged by orthodontists and laymen","volume":"76","author":"Parekh","year":"2006","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib9","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1016\/S1073-8746(96)80036-3","article-title":"Esthetics: the orthodontic-periodontic restorative connection","volume":"2","author":"Kokich","year":"1996","journal-title":"Semin Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib10","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1016\/j.ajodo.2004.07.034","article-title":"Principles of cosmetic dentistry in orthodontics: part 1. Shape and proportionality of anterior teeth","volume":"126","author":"Sarver","year":"2004","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib11","doi-asserted-by":"crossref","first-page":"558","DOI":"10.1016\/0022-3913(58)90043-X","article-title":"The dynesthetic interpretation of the dentogenic concept","volume":"8","author":"Frush","year":"1958","journal-title":"J Prosthet Dent"},{"key":"10.1016\/j.ajodo.2013.10.017_bib12","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1016\/0002-9416(70)90260-5","article-title":"An esthetic evaluation of lip-teeth relationships present in the smile","volume":"57","author":"Hulsey","year":"1970","journal-title":"Am J Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib13","doi-asserted-by":"crossref","first-page":"5","DOI":"10.2319\/120906-502.1","article-title":"Which hard and soft tissue factors relate with the amount of buccal corridor space during smiling?","volume":"78","author":"Yang","year":"2008","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib14","first-page":"198","article-title":"Esthetic influence of negative space in the buccal corridor during smiling","volume":"76","author":"Ritter","year":"2006","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib15","doi-asserted-by":"crossref","first-page":"162","DOI":"10.1016\/S0889-5406(95)70079-X","article-title":"Smile estheties after orthodontic treatment with and without extraction of four first premolars","volume":"108","author":"Johnson","year":"1995","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib16","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1016\/j.ajodo.2006.05.042","article-title":"Hard- and soft-tissue contributions to the esthetics of the posed smile in growing patients seeking orthodontic treatment","volume":"133","author":"McNamara","year":"2008","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib17","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1016\/S0889-5406(03)00307-X","article-title":"Dynamic smile visualization and quantification: part 2. Smile analysis and treatment strategies","volume":"124","author":"Sarver","year":"2003","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib18","doi-asserted-by":"crossref","first-page":"343","DOI":"10.1016\/j.ajodo.2004.02.013","article-title":"The effects of buccal corridor spaces and arch form on smile esthetics","volume":"127","author":"Roden-Johnson","year":"2005","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib19","doi-asserted-by":"crossref","first-page":"528","DOI":"10.1016\/j.ajodo.2005.03.009","article-title":"Buccal smile corridors","volume":"127","author":"Ackerman","year":"2005","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib20","first-page":"221","article-title":"Smile analysis and design in the digital era","volume":"36","author":"Ackerman","year":"2002","journal-title":"J Clin Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib21","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1016\/S0889-5406(03)00306-8","article-title":"Dynamic smile visualization and quantification: part 1. Evolution of the concept and dynamic records for smile capture","volume":"124","author":"Sarver","year":"2003","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib22","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1016\/S0889-5406(00)70202-2","article-title":"Maxillary transverse deficiency","volume":"117","author":"McNamara","year":"2000","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib23","first-page":"530","article-title":"The impact of buccal corridors on smile attractiveness","volume":"29","author":"Martin","year":"2007","journal-title":"Eur J Esthet Dent"},{"issue":"6","key":"10.1016\/j.ajodo.2013.10.017_bib24","doi-asserted-by":"crossref","first-page":"A11","DOI":"10.1016\/j.ajodo.2003.10.005","article-title":"Premolar extraction and smile esthetics","volume":"124","author":"Zachrisson","year":"2003","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib25","doi-asserted-by":"crossref","first-page":"573","DOI":"10.1016\/S0889-5406(97)70294-4","article-title":"Emerging paradigms in orthodontics\u2014an essay","volume":"111","author":"Ghafari","year":"1997","journal-title":"Am J Orthod Dentofacial Orthop"},{"issue":"6","key":"10.1016\/j.ajodo.2013.10.017_bib26","doi-asserted-by":"crossref","first-page":"A16","DOI":"10.1016\/S0889-5406(03)00395-0","article-title":"Premolar extractions and smile esthetics","volume":"124","author":"Spahl","year":"2003","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib27","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1067\/mod.2003.57","article-title":"Arch width after extraction and nonextraction treatment","volume":"123","author":"Gianelly","year":"2003","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib28","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0889-5406(92)70009-Y","article-title":"A long-term comparison of nonextraction and premolar extraction edgewise therapy in \u201cborderline\u201d Class II patients","volume":"102","author":"Paquette","year":"1992","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib29","first-page":"257","article-title":"The effects of premolar-extraction: a long-term comparison of outcomes in \u201cclear-cut\u201d extraction and nonextraction Class II patients","volume":"63","author":"Luppanapornlarp","year":"1993","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib30","doi-asserted-by":"crossref","first-page":"356","DOI":"10.1016\/j.ajodo.2009.05.036","article-title":"Do long-term changes in relative maxillary arch width affect buccal-corridor ratios in extraction and nonextraction treatment?","volume":"139","author":"Akyalcin","year":"2011","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib31","first-page":"182","article-title":"Functional occlusion for the orthodontist: part 3","volume":"174","author":"Roth","year":"1981","journal-title":"J Clin Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib32","doi-asserted-by":"crossref","first-page":"296","DOI":"10.1016\/S0002-9416(72)90268-0","article-title":"The six keys to normal occlusion","volume":"62","author":"Andrews","year":"1972","journal-title":"Am J Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib33","doi-asserted-by":"crossref","first-page":"465","DOI":"10.1016\/S0022-3476(69)80206-4","article-title":"Normal inner canthal and outer orbital dimensions","volume":"74","author":"Laestadius","year":"1969","journal-title":"J Pediatr"},{"key":"10.1016\/j.ajodo.2013.10.017_bib34","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1016\/S0901-5027(05)80465-5","article-title":"Hypertelorism: interorbital growth, measurements, and pathogenetic considerations","volume":"24","author":"Cohen","year":"1995","journal-title":"Int J Oral Maxillofac Surg"},{"key":"10.1016\/j.ajodo.2013.10.017_bib35","series-title":"Contemporary orthodontics","author":"Proffit","year":"2007"},{"key":"10.1016\/j.ajodo.2013.10.017_bib36","first-page":"58","article-title":"The impact of the popular media on cosmetic dentistry","volume":"102","author":"Theobald","year":"2006","journal-title":"N Z Dent J"},{"key":"10.1016\/j.ajodo.2013.10.017_bib37","doi-asserted-by":"crossref","first-page":"585","DOI":"10.1093\/ejo\/cji057","article-title":"A comparative study of dental arch widths: extraction and non-extraction treatment","volume":"27","author":"Isik","year":"2005","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib38","first-page":"354","article-title":"Extraction vs nonextraction: arch widths and smile esthetics","volume":"73","author":"Kim","year":"2003","journal-title":"Angle Orthod"},{"issue":"5","key":"10.1016\/j.ajodo.2013.10.017_bib39","doi-asserted-by":"crossref","first-page":"A18","DOI":"10.1016\/j.ajodo.2003.09.016","article-title":"Arch width","volume":"124","author":"Schack","year":"2003","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib40","doi-asserted-by":"crossref","first-page":"482","DOI":"10.1067\/mod.2001.113001","article-title":"The use of palatal rugae for the assessment of anteroposterior tooth movements","volume":"119","author":"Hoggan","year":"2001","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2013.10.017_bib41","first-page":"948","article-title":"Arch width changes in extraction and nonextraction treatment in Class I patients","volume":"75","author":"Aksu","year":"2005","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib42","first-page":"260","article-title":"Making the premolar extraction smile full and radiant","volume":"3","author":"Zachrisson","year":"2002","journal-title":"World J Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib43","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1111\/ocr.1998.1.1.2","article-title":"A morphometric analysis of the posed smile","volume":"1","author":"Ackerman","year":"1998","journal-title":"Clin Orthod Res"},{"key":"10.1016\/j.ajodo.2013.10.017_bib44","first-page":"43","article-title":"An evaluation of dynamic lip-tooth characteristics during speech and smile in adolescents","volume":"74","author":"Ackerman","year":"2004","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib45","doi-asserted-by":"crossref","first-page":"678","DOI":"10.2319\/052207-243.1","article-title":"Clinical photography vs digital video clips for the assessment of smile esthetics","volume":"80","author":"Schabel","year":"2010","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2013.10.017_bib46","first-page":"89","article-title":"Finishing occlusion in Class II or Class III molar relation: therapeutic Class II and III","volume":"17","author":"Nangia","year":"2001","journal-title":"Aust Orthod J"}],"container-title":["American Journal of Orthodontics and Dentofacial Orthopedics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0889540613009669?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0889540613009669?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T08:57:28Z","timestamp":1760173048000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0889540613009669"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,2]]},"references-count":46,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2014,2]]}},"alternative-id":["S0889540613009669"],"URL":"https:\/\/doi.org\/10.1016\/j.ajodo.2013.10.017","relation":{},"ISSN":["0889-5406"],"issn-type":[{"value":"0889-5406","type":"print"}],"subject":[],"published":{"date-parts":[[2014,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Maxillary arch width and buccal corridor changes with orthodontic treatment. Part 1: Differences between premolar extraction and nonextraction treatment outcomes","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.2013.10.017","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2014 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}