{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T06:20:08Z","timestamp":1788848408679,"version":"build-2803163510"},"reference-count":79,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.jp","jwfo.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of the World Federation of Orthodontists"],"published-print":{"date-parts":[[2020,10]]},"DOI":"10.1016\/j.ejwf.2020.09.004","type":"journal-article","created":{"date-parts":[[2020,10,3]],"date-time":"2020-10-03T16:03:15Z","timestamp":1601740995000},"page":"S45-S53","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":13,"special_numbering":"S","title":["The management of mesially inclined\/impacted mandibular permanent second\u00a0molars"],"prefix":"10.1016","volume":"9","author":[{"given":"Patrick K.","family":"Turley","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ejwf.2020.09.004_bib1","series-title":"Let\u2019s talk about that interview with Dr. Patrick Turley. The Pacific Coast Society of Orthodontists Bulletin Digest","first-page":"23","author":"Turley","year":"2019"},{"key":"10.1016\/j.ejwf.2020.09.004_bib2","doi-asserted-by":"crossref","first-page":"651","DOI":"10.1016\/S0889-5406(99)70200-3","article-title":"Eruption disturbances of the first and second permanent molars: results of treatment in 43 cases","volume":"1116","author":"Valmaseda-Castellon","year":"1999","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib3","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1016\/j.ajodo.2003.10.031","article-title":"Delayed tooth eruption: pathogenesis, diagnosis and treatment. A literature review","volume":"126","author":"Suri","year":"2004","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib4","first-page":"239","article-title":"Failure of eruption of first and second permanent molars","volume":"27","author":"Palma","year":"2003","journal-title":"J\u00a0Clin Pediatr Dent"},{"key":"10.1016\/j.ejwf.2020.09.004_bib5","doi-asserted-by":"crossref","first-page":"773","DOI":"10.2319\/072506-306.1","article-title":"Prevalence of ectopic eruption, impaction, retention and agenesis of the permanent second molar","volume":"77","author":"Bondemark","year":"2007","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib6","first-page":"422","article-title":"Impaction and retention of second molars: diagnosis, treatment and outcome: a retrospective follow-up study","volume":"79","author":"Magnusson","year":"2009","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib7","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1016\/j.ajodo.2018.09.020","article-title":"First and second permanent molars with failed or delayed eruption: clinical and statistical analyses","volume":"156","author":"Monaca","year":"2019","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib8","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1111\/j.1600-0714.1991.tb00913.x","article-title":"Eruption disturbances of permanent molars: a review","volume":"20","author":"Raghoebar","year":"1991","journal-title":"J\u00a0Oral Pathol Med"},{"key":"10.1016\/j.ejwf.2020.09.004_bib9","doi-asserted-by":"crossref","first-page":"9","DOI":"10.13189\/ojdom.2013.010103","article-title":"Mandibular permanent second molar impaction treatment options and outcome","volume":"1","author":"Shpack","year":"2013","journal-title":"Open J Dent Oral Med"},{"key":"10.1016\/j.ejwf.2020.09.004_bib10","first-page":"183","article-title":"Disturbed eruption of the permanent lower second molar: treatment and results","volume":"55","author":"Wellfelt","year":"1988","journal-title":"ASDC J Dent Child"},{"key":"10.1016\/j.ejwf.2020.09.004_bib11","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1016\/j.ajodo.2014.04.026","article-title":"Restoration of a vertical alveolar bone defect by orthodontic relocation of a mesially impacted mandibular first molar","volume":"147","author":"Kim","year":"2015","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib12","series-title":"Textbook and color atlas of tooth impactions","first-page":"199","author":"Andreasen","year":"1997"},{"key":"10.1016\/j.ejwf.2020.09.004_bib13","article-title":"Failure of eruption and the hooked root apex-cause or effect?","author":"Becker","year":"2016","journal-title":"Bulletins"},{"key":"10.1016\/j.ejwf.2020.09.004_bib14","doi-asserted-by":"crossref","first-page":"336","DOI":"10.1016\/0889-5406(87)90335-0","article-title":"The clinical management of ectopically erupting first permanent molars","volume":"97","author":"Kennedy","year":"1987","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib15","article-title":"Non-eruption of a developing mandibular first permanent molar","author":"Becker","year":"2014","journal-title":"Bulletins"},{"key":"10.1016\/j.ejwf.2020.09.004_bib16","doi-asserted-by":"crossref","first-page":"608","DOI":"10.1067\/mod.2000.97938","article-title":"Tooth anomalies associated with failure of eruption of first and second permanent molars","volume":"118","author":"Baccetti","year":"2000","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib17","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1016\/j.ajodo.2009.08.034","article-title":"Mandibular second molar impaction. Part I: genetic traits and characteristics","volume":"140","author":"Shapira","year":"2011","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib18","first-page":"114","article-title":"Disturbed eruption of the lower second molar: clinical appearance, prevalence, and etiology","volume":"55","author":"Varpio","year":"1988","journal-title":"ASDC J Dent Child"},{"key":"10.1016\/j.ejwf.2020.09.004_bib19","doi-asserted-by":"crossref","first-page":"31","DOI":"10.1093\/ejo\/21.1.31","article-title":"Arrested eruption of the permanent lower second molar","volume":"21","author":"Vedtofte","year":"1999","journal-title":"Eur J Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib20","doi-asserted-by":"crossref","first-page":"e564","DOI":"10.4317\/medoral.18869","article-title":"Impaction of permanent mandibular second molar: a retrospective study","volume":"18","author":"Cassetta","year":"2013","journal-title":"Med Oral Patol Oral Chir Bucal"},{"key":"10.1016\/j.ejwf.2020.09.004_bib21","doi-asserted-by":"crossref","first-page":"e150","DOI":"10.4317\/jced.51382","article-title":"Etiological factors in second mandibular molar impaction","volume":"6","author":"Cassetta","year":"2014","journal-title":"J\u00a0Clin Exp Dent"},{"key":"10.1016\/j.ejwf.2020.09.004_bib22","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1179\/bjo.15.3.199","article-title":"Incidence of lower second permanent molar impaction","volume":"15","author":"Evans","year":"1988","journal-title":"Br J Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib23","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1590\/2176-9451.19.6.099-104.oar","article-title":"Second molar impaction associated with lip bumper therapy","volume":"19","author":"Jacob","year":"2014","journal-title":"Dental Press J Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib24","first-page":"123","article-title":"Relationship of lower lingual arch appliance use and impaction of second molars: a retrospective study","volume":"42","author":"Arevalo","year":"2020","journal-title":"Pediatric Dent"},{"key":"10.1016\/j.ejwf.2020.09.004_bib25","first-page":"152","article-title":"Effects of passive lingual arch treatment on mandibular tooth movement. GSRA Abstracts","volume":"42","author":"Buhay-Ogilvie","year":"2020","journal-title":"Ped Dent"},{"key":"10.1016\/j.ejwf.2020.09.004_bib26","doi-asserted-by":"crossref","first-page":"454","DOI":"10.1016\/j.ajodo.2019.10.014","article-title":"Effects of lip bumper therapy on the mandibular arch dimensions of children and adolescents: a systematic review","volume":"157","author":"Santana","year":"2020","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib27","doi-asserted-by":"crossref","first-page":"578.e1","DOI":"10.1016\/j.ajodo.2006.09.038","article-title":"Primary failure of eruption: further characterizations of a rare eruption disorder","volume":"131","author":"Frazier-Bowers","year":"2007","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib28","doi-asserted-by":"crossref","first-page":"275","DOI":"10.2319\/062717-430.1","article-title":"Primary failure of eruption: clinical and genetic findings in the mixed dentition","volume":"88","author":"Grippaudo","year":"2018","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib29","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1016\/j.ajodo.2013.03.015","article-title":"Establishing the diagnostic criteria for eruption disorders based on genetic and clinical data","volume":"144","author":"Rhoads","year":"2013","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib30","doi-asserted-by":"crossref","first-page":"870","DOI":"10.2319\/090812-716.1","article-title":"Failure of treatment of impacted canines associated with invasive cervical root resorption","volume":"83","author":"Becker","year":"2013","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib31","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1016\/j.ajodo.2013.02.012","article-title":"Palatally impacted canines: the case for closed surgical exposure and immediate orthodontic traction","volume":"143","author":"Chaushu","year":"2013","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib32","doi-asserted-by":"crossref","first-page":"420","DOI":"10.1016\/0030-4220(85)90070-2","article-title":"The incidence of unerupted permanent teeth and related clinical cases","volume":"59","author":"Grover","year":"1985","journal-title":"Oral Surg Oral Med Oral Pathol"},{"key":"10.1016\/j.ejwf.2020.09.004_bib33","doi-asserted-by":"crossref","first-page":"670","DOI":"10.2319\/102111-656.1","article-title":"Impacted mandibular second molars: a retrospective study of prevalence and treatment outcome","volume":"82","author":"Fu","year":"2012","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib34","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1016\/0889-5406(87)90454-9","article-title":"Surgical repositioning of impacted mandibular second molar teeth","volume":"91","author":"Johnson","year":"1987","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib35","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1016\/S0889-5406(95)70081-1","article-title":"The surgical uprighting of mandibular second molars","volume":"108","author":"Pogrel","year":"1995","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib36","first-page":"446","article-title":"Early surgical management of impacted mandibular second molars","volume":"32","author":"Owen","year":"1998","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib37","doi-asserted-by":"crossref","first-page":"148","DOI":"10.2319\/010206-461R.1","article-title":"Uprighting partially impacted permanent second molars","volume":"77","author":"Sawicka","year":"2007","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib38","doi-asserted-by":"crossref","first-page":"190","DOI":"10.14219\/jada.archive.1999.0373","article-title":"Management of bilaterally impacted mandibular second and third molars","volume":"130","author":"Bonetti","year":"1999","journal-title":"J\u00a0Am Dent Assoc"},{"key":"10.1016\/j.ejwf.2020.09.004_bib39","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/j.ajodo.2003.08.025","article-title":"Treatment of ectopic mandibular second molar with titanium miniscrews","volume":"126","author":"Giancotti","year":"2004","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib40","first-page":"726","article-title":"A\u00a0superelastic loop for uprighting mesially impacted lower second molars","volume":"53","author":"Bagala","year":"2019","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib41","first-page":"405","article-title":"Uprighting deeply impacted mandibular second with miniscrew anchorage","volume":"53","author":"Zhen","year":"2019","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib42","first-page":"33","article-title":"Surgical uprighting of lower second molars","volume":"1","author":"Kravitz","year":"2016","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib43","doi-asserted-by":"crossref","first-page":"446","DOI":"10.2319\/062509-354.1","article-title":"Autotransplantation of teeth in 215 patients. A follow-up study","volume":"80","author":"Kvint","year":"2010","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib44","doi-asserted-by":"crossref","first-page":"381","DOI":"10.14219\/jada.archive.1999.0208","article-title":"Uprighting molars without extrusion","volume":"130","author":"Shellhart","year":"1999","journal-title":"J\u00a0Am Dent Assoc"},{"key":"10.1016\/j.ejwf.2020.09.004_bib45","first-page":"173","article-title":"Uprighting mesially impacted mandibular permanent second molars","volume":"68","author":"Shapira","year":"1998","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib46","first-page":"640","article-title":"Uprighting of lower molars","volume":"30","author":"Melsen","year":"1996","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib47","first-page":"176","article-title":"Correction of mesially impacted lower second and third molars","volume":"21","author":"Orton","year":"1987","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib48","first-page":"539","article-title":"Uprighting severely impacted lower second molars prior to class II correction with upper second-molar extractions","volume":"53","author":"Mezomo","year":"2019","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib49","first-page":"479","article-title":"Use of nickel titanium coil springs for partially impacted second molars","volume":"32","author":"Aksoy","year":"1998","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib50","first-page":"110","article-title":"An uprighting appliance for impacted mandibular second and third molars","volume":"40","author":"Miao","year":"2006","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib51","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1016\/j.ajodo.2011.09.012","article-title":"Orthodontic uprighting of severely impacted mandibular second molars","volume":"143","author":"Lau","year":"2013","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib52","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1016\/j.ajodo.2009.10.048","article-title":"Managing second molars","volume":"140","author":"Johnson","year":"2011","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib53","first-page":"30","article-title":"Correction of impacted mandibular second molars","volume":"43","author":"Buchner","year":"1973","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib54","first-page":"31","article-title":"Molar uprighting using a simplified technique (MUST)","volume":"4","author":"Mansour","year":"2015","journal-title":"Eur J Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib55","first-page":"621","article-title":"Case report: orthodontic uprighting of horizontally impacted mandibular second molars","volume":"32","author":"Eckhart","year":"1998","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib56","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1016\/j.ajodo.2019.03.033","article-title":"Correction of bilateral heavily impacted second molar with improved super-elastic nickel-titanium alloy wires","volume":"158","author":"Okihara","year":"2019","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib57","first-page":"275","article-title":"Management of partially impacted mandibular molars using temporary anchorage devices","volume":"52","author":"Di Leonardo","year":"2018","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib58","first-page":"589","article-title":"Management of deeply impacted molars with the miniscrew supported pole technique","volume":"52","author":"Lorente","year":"2018","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib59","doi-asserted-by":"crossref","first-page":"524","DOI":"10.1016\/j.ajodo.2018.01.011","article-title":"Expanding torque possibilities: a skeletally anchored torqued cantilever for uprighting \u201ckissing molars\"","volume":"154","author":"Barros","year":"2018","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib60","doi-asserted-by":"crossref","first-page":"849","DOI":"10.1016\/j.ajodo.2015.07.027","article-title":"Uprighting mesially impacted mandibular molars with 2 miniscrews","volume":"148","author":"Mah","year":"2015","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib61","first-page":"627","article-title":"Uprighting mandibular second molars with direct miniscrew anchorage","volume":"41","author":"Lee","year":"2007","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib62","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1016\/j.ajodo.2006.10.026","article-title":"Miniplates as skeletal anchorage for treating mandibular second molar impactions","volume":"134","author":"Miyahira","year":"2008","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib63","doi-asserted-by":"crossref","first-page":"1320","DOI":"10.14219\/jada.archive.1970.0281","article-title":"Surgical repositioning of teeth","volume":"80","author":"Peskin","year":"1970","journal-title":"J\u00a0Am Dent Assoc"},{"key":"10.1016\/j.ejwf.2020.09.004_bib64","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1016\/0030-4220(76)90118-3","article-title":"Idiopathic failure of eruption of permanent molar teeth","volume":"42","author":"Kaban","year":"1976","journal-title":"Oral Surg Oral Med Oral Pathol"},{"key":"10.1016\/j.ejwf.2020.09.004_bib65","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1016\/j.ajodo.2005.11.002","article-title":"Spontaneous third-molar eruption after second-molar extraction in orthodontic patients","volume":"129","author":"De-la-Rosa-Gay","year":"2006","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib66","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1067\/mod.2001.111556","article-title":"Eruption of third permanent molars after extraction of second permanent molars. Part 1: assessment of third molar position and size","volume":"119","author":"Orton-Gibbs","year":"2001","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib67","first-page":"1","article-title":"The criteria for lower second molar extraction","volume":"14","author":"Dacre","year":"1987","journal-title":"J\u00a0Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib68","doi-asserted-by":"crossref","first-page":"566","DOI":"10.1016\/S0889-5406(05)80440-8","article-title":"Lower third molar development subsequent to second molar extraction","volume":"104","author":"Richardson","year":"1993","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib69","first-page":"51","article-title":"Third molar eruption and the effect of extraction of adjacent teeth","volume":"53","author":"Cryer","year":"1967","journal-title":"Br Soc Study Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib70","first-page":"215","article-title":"Long term observation on the extraction of second permanent molars","volume":"50","author":"Wilson","year":"1974","journal-title":"Eur Orthod Soc Trans"},{"key":"10.1016\/j.ejwf.2020.09.004_bib71","first-page":"55","article-title":"Effects on lower third molars after extraction of second molars","volume":"47","author":"Rindler","year":"1977","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib72","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1179\/bjo.5.1.13","article-title":"The eruption of lower third molars following the loss of lower second molars: a longitudinal cephalometric study","volume":"5","author":"Huggins","year":"1978","journal-title":"Br J Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib73","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1179\/bjo.5.2.99","article-title":"The effects on the lower third molar of the extraction of the lower second molar","volume":"5","author":"Lawlor","year":"1978","journal-title":"Br J Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib74","first-page":"70","article-title":"Third molar changes following second molar extractions","volume":"55","author":"Cavanaugh","year":"1985","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib75","first-page":"77","article-title":"Second molar germectomy and third molar eruption","volume":"55","author":"Gaumond","year":"1985","journal-title":"Angle Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib76","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1016\/0889-5406(90)70010-A","article-title":"Eruption of mandibular third molars after second molar extractions: a radiographic study","volume":"98","author":"Gooris","year":"1990","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"10.1016\/j.ejwf.2020.09.004_bib77","first-page":"679","article-title":"Non-surgical uprighting of mesially impacted lower molars","volume":"45","author":"Bach","year":"2011","journal-title":"J\u00a0Clin Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib78","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1016\/S0002-9416(76)80028-0","article-title":"Surgically uprighting and grafting mandibular second molars","volume":"69","author":"Davis","year":"1976","journal-title":"Am J Orthod"},{"key":"10.1016\/j.ejwf.2020.09.004_bib79","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1016\/0889-5406(89)90258-8","article-title":"Uprighting of a deeply impacted mandibular second molar","volume":"2","author":"Ferrazzini","year":"1989","journal-title":"Am J Orthod Dentofacial Orthop"}],"container-title":["Journal of the World Federation of Orthodontists"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2212443820300588?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2212443820300588?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T22:19:14Z","timestamp":1761949154000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2212443820300588"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,10]]},"references-count":79,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2020,10]]}},"alternative-id":["S2212443820300588"],"URL":"https:\/\/doi.org\/10.1016\/j.ejwf.2020.09.004","relation":{},"ISSN":["2212-4438"],"issn-type":[{"value":"2212-4438","type":"print"}],"subject":[],"published":{"date-parts":[[2020,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The management of mesially inclined\/impacted mandibular permanent second\u00a0molars","name":"articletitle","label":"Article Title"},{"value":"Journal of the World Federation of Orthodontists","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ejwf.2020.09.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 World Federation of Orthodontists.","name":"copyright","label":"Copyright"}]}}