{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T18:34:15Z","timestamp":1768588455419,"version":"3.49.0"},"reference-count":46,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"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":[[2023,12]]},"DOI":"10.1016\/j.ajodo.2023.05.029","type":"journal-article","created":{"date-parts":[[2023,7,22]],"date-time":"2023-07-22T15:21:56Z","timestamp":1690039316000},"page":"805-812","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":4,"title":["Mesiodistal angulation and developmental stages of unerupted mandibular second premolars in nonsyndromic oligodontia"],"prefix":"10.1016","volume":"164","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6245-8709","authenticated-orcid":false,"given":"Kazuhito","family":"Arai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajodo.2023.05.029_bib1","doi-asserted-by":"crossref","first-page":"650","DOI":"10.1016\/S0889-5406(00)70173-9","article-title":"The genetics of human tooth agenesis: new discoveries for understanding dental anomalies","volume":"117","author":"Vastardis","year":"2000","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib2","doi-asserted-by":"crossref","first-page":"1306","DOI":"10.1177\/0022034518777460","article-title":"Patterns of dental agenesis highlight the nature of the causative mutated genes","volume":"97","author":"Fournier","year":"2018","journal-title":"J Dent Res"},{"key":"10.1016\/j.ajodo.2023.05.029_bib3","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1111\/j.1365-2842.1980.tb00447.x","article-title":"The management of patients with severe hypodontia","volume":"7","author":"Hobkirk","year":"1980","journal-title":"J Oral Rehabil"},{"key":"10.1016\/j.ajodo.2023.05.029_bib4","first-page":"133","article-title":"Distribution of missing teeth and tooth morphology in patients with oligodontia","volume":"59","author":"Schalk-van der Weide","year":"1992","journal-title":"ASDC J Dent Child"},{"key":"10.1016\/j.ajodo.2023.05.029_bib5","doi-asserted-by":"crossref","first-page":"238","DOI":"10.1016\/j.ajodo.2018.09.015","article-title":"Tooth agenesis patterns in Japanese orthodontic patients with nonsyndromic oligodontia","volume":"156","author":"Arai","year":"2019","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib6","doi-asserted-by":"crossref","first-page":"320","DOI":"10.1111\/j.1365-263X.2006.00741.x","article-title":"Signs and symptoms from ectodermal organs in young Swedish individuals with oligodontia","volume":"16","author":"Bergendal","year":"2006","journal-title":"Int J Paediatr Dent"},{"key":"10.1016\/j.ajodo.2023.05.029_bib7","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1093\/ejo\/cjq021","article-title":"Survey of congenitally missing teeth in orthodontic patients in Eastern Bavaria","volume":"33","author":"Behr","year":"2011","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib8","doi-asserted-by":"crossref","first-page":"250","DOI":"10.1093\/ejo\/cjz047","article-title":"Impacts of oligodontia on oral health-related quality of life reported by affected children and their parents","volume":"42","author":"Raziee","year":"2020","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib9","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1111\/j.1601-6343.2010.01490.x","article-title":"Delayed dental maturity in dentitions with agenesis of mandibular second premolars","volume":"13","author":"Daugaard","year":"2010","journal-title":"Orthod Craniofac Res"},{"key":"10.1016\/j.ajodo.2023.05.029_bib10","doi-asserted-by":"crossref","first-page":"338","DOI":"10.1007\/s00056-015-0295-3","article-title":"Agenesis of second premolars and delayed dental maturation","volume":"76","author":"Gelbrich","year":"2015","journal-title":"J Orofac Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib11","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1016\/j.archoralbio.2005.06.004","article-title":"A radiographic study of tooth development in hypodontia","volume":"51","author":"Uslenghi","year":"2006","journal-title":"Arch Oral Biol"},{"key":"10.1016\/j.ajodo.2023.05.029_bib12","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1016\/j.ajodo.2009.04.024","article-title":"Dental development in children with mild-to-moderate hypodontia","volume":"139","author":"Tun\u00e7","year":"2011","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib13","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/j.ajodo.2011.08.026","article-title":"Radiographic study of delayed tooth development in patients with dental agenesis","volume":"141","author":"Ruiz-Mealin","year":"2012","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib14","doi-asserted-by":"crossref","first-page":"516","DOI":"10.3109\/00016357.2013.875587","article-title":"Maturation of teeth adjacent to dental agenesis site","volume":"72","author":"Ben-Bassat","year":"2014","journal-title":"Acta Odontol Scand"},{"key":"10.1016\/j.ajodo.2023.05.029_bib15","first-page":"31","article-title":"Tooth formation in patients with oligodontia","volume":"63","author":"Schalk van der Weide","year":"1993","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib16","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1093\/ejo\/cjm123","article-title":"Can persistence of primary molars be predicted in subjects with multiple tooth agenesis?","volume":"30","author":"Kjaer","year":"2008","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib17","doi-asserted-by":"crossref","first-page":"1015","DOI":"10.2319\/0003-3219-079.005.1015","article-title":"Dental anomaly patterns (DAP). A new way to look at malocclusion","volume":"79","author":"Peck","year":"2009","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib18","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1067\/mod.2002.120399","article-title":"Malposition of unerupted mandibular second premolar associated with agenesis of its antimere","volume":"121","author":"Shalish","year":"2002","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib19","doi-asserted-by":"crossref","first-page":"436","DOI":"10.2319\/021308-87.1","article-title":"Increased occurrence of dental anomalies associated with second-premolar agenesis","volume":"79","author":"Garib","year":"2009","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib20","doi-asserted-by":"crossref","first-page":"24","DOI":"10.2319\/030513-183.1","article-title":"Dental anomaly pattern (DAP): agenesis of mandibular second premolar, distal angulation of its antimere and delayed tooth formation","volume":"84","author":"Navarro","year":"2014","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib21","doi-asserted-by":"crossref","first-page":"949","DOI":"10.2319\/081914-583.1","article-title":"Mesiodistal inclination of the unerupted second premolar in the mandible of Japanese orthodontic patients with incisor agenesis","volume":"85","author":"Kure","year":"2015","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib22","doi-asserted-by":"crossref","first-page":"732.e731","DOI":"10.1016\/j.ajodo.2009.12.024","article-title":"Agenesis of maxillary lateral incisors and associated dental anomalies","volume":"137","author":"Garib","year":"2010","journal-title":"Am J Orthod Dentofacial Orthop"},{"issue":"254-8","key":"10.1016\/j.ajodo.2023.05.029_bib23","first-page":"233","article-title":"Adequacy of mandibular premolar position despite early loss of its deciduous molar","volume":"69","author":"Wasserstein","year":"2002","journal-title":"ASDC J Dent Child"},{"key":"10.1016\/j.ajodo.2023.05.029_bib24","first-page":"332","article-title":"Angular changes and their rates in concurrence to developmental stages of the mandibular second premolar","volume":"74","author":"Wasserstein","year":"2004","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib25","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1016\/j.odw.2019.04.001","article-title":"Estimation of tooth agenesis risks between tooth types in orthodontic patients with non-syndromic oligodontia","volume":"78","author":"Sato","year":"2019","journal-title":"Orthod Waves"},{"key":"10.1016\/j.ajodo.2023.05.029_bib26","doi-asserted-by":"crossref","DOI":"10.1016\/j.archoralbio.2021.105038","article-title":"Sexual dimorphism of tooth agenesis patterns in non-syndromic oligodontia in Japanese patients","volume":"124","author":"Sato","year":"2021","journal-title":"Arch Oral Biol"},{"key":"10.1016\/j.ajodo.2023.05.029_bib27","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1007\/s10266-021-00634-z","article-title":"Consecutive tooth agenesis patterns in non-syndromic oligodontia","volume":"110","author":"Baba","year":"2022","journal-title":"Odontology"},{"key":"10.1016\/j.ajodo.2023.05.029_bib28","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1080\/13440241.2021.2021743","article-title":"Sexual dimorphism in the consecutive tooth agenesis patterns of patients with non-syndromic oligodontia","volume":"81","author":"Baba","year":"2022","journal-title":"Clin Investig Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib29","first-page":"211","article-title":"A new system of dental age assessment","volume":"45","author":"Demirjian","year":"1973","journal-title":"Hum Biol"},{"key":"10.1016\/j.ajodo.2023.05.029_bib30","doi-asserted-by":"crossref","first-page":"82","DOI":"10.1016\/S0917-2394(09)70157-0","article-title":"Dental age in Japanese children using a modified Demirjian method","volume":"19","author":"Agurto Goya","year":"2009","journal-title":"Pediatr Dent J"},{"key":"10.1016\/j.ajodo.2023.05.029_bib31","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1037\/1082-989X.1.1.30","article-title":"Forming inferences about some intraclass correlation coefficients","volume":"1","author":"McGraw","year":"1996","journal-title":"Psychol Methods"},{"key":"10.1016\/j.ajodo.2023.05.029_bib32","doi-asserted-by":"crossref","first-page":"159","DOI":"10.2307\/2529310","article-title":"The measurement of observer agreement for categorical data","volume":"33","author":"Landis","year":"1977","journal-title":"Biometrics"},{"key":"10.1016\/j.ajodo.2023.05.029_bib33","doi-asserted-by":"crossref","first-page":"175","DOI":"10.3758\/BF03193146","article-title":"\u2217Power 3: a flexible statistical power analysis program for the social, behavioral, and biomedical sciences","volume":"39","author":"Faul","year":"2007","journal-title":"Behav Res Methods"},{"key":"10.1016\/j.ajodo.2023.05.029_bib34","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1080\/00016357.2016.1273385","article-title":"Dental anomaly patterns associated with tooth agenesis","volume":"75","author":"Choi","year":"2017","journal-title":"Acta Odontol Scand"},{"key":"10.1016\/j.ajodo.2023.05.029_bib35","doi-asserted-by":"crossref","first-page":"796","DOI":"10.2319\/081808-435.1","article-title":"Malposition of unerupted mandibular second premolar in children with palatally displaced canines","volume":"79","author":"Shalish","year":"2009","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib36","doi-asserted-by":"crossref","first-page":"318","DOI":"10.1016\/j.ajodo.2008.09.036","article-title":"Distally displaced premolars: a dental anomaly associated with palatally displaced canines","volume":"138","author":"Baccetti","year":"2010","journal-title":"Am J Orthod Dentofacial Orthop"},{"issue":"4 Spec No","key":"10.1016\/j.ajodo.2023.05.029_bib37","doi-asserted-by":"crossref","first-page":"188","DOI":"10.1038\/sj.bdj.4800059a","article-title":"Cephalometric morphology of Chinese with Class II Division 1 malocclusion","volume":"186","author":"Lau","year":"1999","journal-title":"Br Dent J"},{"key":"10.1016\/j.ajodo.2023.05.029_bib38","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1093\/ejo\/cjm059","article-title":"Comparison of cephalometric norms between Japanese and Caucasian adults in antero-posterior and vertical dimension","volume":"29","author":"Ioi","year":"2007","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib39","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/j.ajodo.2006.07.034","article-title":"Effect of buccolingual root angulation on the mesiodistal angulation shown on panoramic radiographs","volume":"134","author":"Garcia-Figueroa","year":"2008","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib40","doi-asserted-by":"crossref","first-page":"309","DOI":"10.2319\/030807-117.1","article-title":"Displaced premolars in panoramic radiography: fact or fallacy?","volume":"78","author":"Nohadani","year":"2008","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib41","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1016\/j.ajodo.2010.05.016","article-title":"Comparison of mesiodistal root angulation with posttreatment panoramic radiographs and cone-beam computed tomography","volume":"139","author":"Bouwens","year":"2011","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib42","doi-asserted-by":"crossref","first-page":"206","DOI":"10.2319\/0003-3219(2007)077[0206:MRAUPA]2.0.CO;2","article-title":"Mesiodistal root angulation using panoramic and cone beam CT","volume":"77","author":"Peck","year":"2007","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib43","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.ajodo.2004.09.024","article-title":"A survey of hypodontia in Japanese orthodontic patients","volume":"129","author":"Endo","year":"2006","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ajodo.2023.05.029_bib44","doi-asserted-by":"crossref","first-page":"1347","DOI":"10.1007\/s00784-015-1622-1","article-title":"The association between hypodontia and dental development","volume":"20","author":"Dhamo","year":"2016","journal-title":"Clin Oral Investig"},{"key":"10.1016\/j.ajodo.2023.05.029_bib45","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1186\/2196-1042-14-33","article-title":"Meta-analysis and systematic review of factors biasing the observed prevalence of congenitally missing teeth in permanent dentition excluding third molars","volume":"14","author":"Rakhshan","year":"2013","journal-title":"Prog Orthod"},{"key":"10.1016\/j.ajodo.2023.05.029_bib46","doi-asserted-by":"crossref","first-page":"170","DOI":"10.1093\/ejo\/cjv008","article-title":"Meta-analysis and systematic review of the number of non-syndromic congenitally missing permanent teeth per affected individual and its influencing factors","volume":"38","author":"Rakhshan","year":"2016","journal-title":"Eur J Orthod"}],"container-title":["American Journal of Orthodontics and Dentofacial Orthopedics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S088954062300375X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S088954062300375X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T09:15:11Z","timestamp":1760174111000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S088954062300375X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,12]]},"references-count":46,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2023,12]]}},"alternative-id":["S088954062300375X"],"URL":"https:\/\/doi.org\/10.1016\/j.ajodo.2023.05.029","relation":{},"ISSN":["0889-5406"],"issn-type":[{"value":"0889-5406","type":"print"}],"subject":[],"published":{"date-parts":[[2023,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Mesiodistal angulation and developmental stages of unerupted mandibular second premolars in nonsyndromic oligodontia","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.2023.05.029","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2023 by the American Association of Orthodontists. All rights reserved.","name":"copyright","label":"Copyright"}]}}