Surgical-orthodontic treatment of a severe skeletal class III malocclussion**

25-year-old female patient attended the Orthodontics clinic of the Division of Post-Graduate Studies and Research of the Faculty of Dentistry, UNAM. The chief complaint was that she wanted to change her facial appearance. The facial clinical examination showed an increased lower third; a long oval-s...

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Bibliographic Details
Authors: Crespo Trujillo, Andrea Zulema, Guzmán Valdivia, Isaac
Format: article
Status:Published version
Publication Date:2019
Country:México
Institution:UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO
Repository:Revista Mexicana de Ortodoncia
Language:Spanish
OAI Identifier:oai:ojs.pkp.sfu.ca:article/68259
Online Access:https://revistas.unam.mx/index.php/rmo/article/view/68259
Access Level:Open access
Keyword:Skeletal class III
orthognatic surgery
prognathism
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spelling Surgical-orthodontic treatment of a severe skeletal class III malocclussion**Crespo Trujillo, Andrea ZulemaGuzmán Valdivia, IsaacSkeletal class IIIorthognatic surgeryprognathism25-year-old female patient attended the Orthodontics clinic of the Division of Post-Graduate Studies and Research of the Faculty of Dentistry, UNAM. The chief complaint was that she wanted to change her facial appearance. The facial clinical examination showed an increased lower third; a long oval-shaped face, a dolichofacial biotype, asymmetrical facial planes and disproportionate fi fths. The smile arch was non-consonant; the smile was positive with a tooth exposure of 100% of the clinical crowns; the facial midline did not match the dental. The lateral and oblique view showed a concave profi le, hypoplasia of the facial middle third, good anteroposterior chin projection, open nasolabial angle and a negative lip step. Intraorally, the frontal photograph revealed a slight deviation of the dental midlines, lingual position of the lower teeth, anterior crossbite and unilateral right posterior crossbite. The molar and canine class was III. The upper arch form was ovoid with crowding and lack of space of less than 6 mm. The lower arch was ovoid and showed mild rotations. Overjet was less than 6 mm and the overbite was minus 2 mm. Orthodontic treatment was performed in three phases: presurgical, surgical and postsurgical. In the presurgical phase dental decompensation was achieved and the patient was prepared for surgery. During the surgical phase, a high Le Fort maxillary advancement surgery with bilateral sagittal osteotomy and advancement genioplasty was made. In the postsurgical phase ideal occlusal relationships, in terms of canine and molar class, overjet, overbite and coincident dental midlines were obtained as well as a more harmonious profile.Universidad Nacional Autónoma de México2019-01-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistas.unam.mx/index.php/rmo/article/view/68259Revista Mexicana de Ortodoncia; Vol. 6 Núm. 2 (2018): Versión Inglés2395-9215reponame:Revista Mexicana de Ortodonciainstname:UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICOinstacron:UNAMspahttps://revistas.unam.mx/index.php/rmo/article/view/68259/60333Derechos de autor 2019 Revista Mexicana de Ortodonciainfo:eu-repo/semantics/openAccessoai:ojs.pkp.sfu.ca:article/682592024-08-16T20:07:01Z
dc.title.none.fl_str_mv Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
title Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
spellingShingle Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
Crespo Trujillo, Andrea Zulema
Skeletal class III
orthognatic surgery
prognathism
title_short Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
title_full Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
title_fullStr Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
title_full_unstemmed Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
title_sort Surgical-orthodontic treatment of a severe skeletal class III malocclussion**
dc.creator.none.fl_str_mv Crespo Trujillo, Andrea Zulema
Guzmán Valdivia, Isaac
author Crespo Trujillo, Andrea Zulema
author_facet Crespo Trujillo, Andrea Zulema
Guzmán Valdivia, Isaac
author_role author
author2 Guzmán Valdivia, Isaac
author2_role author
dc.subject.none.fl_str_mv Skeletal class III
orthognatic surgery
prognathism
topic Skeletal class III
orthognatic surgery
prognathism
description 25-year-old female patient attended the Orthodontics clinic of the Division of Post-Graduate Studies and Research of the Faculty of Dentistry, UNAM. The chief complaint was that she wanted to change her facial appearance. The facial clinical examination showed an increased lower third; a long oval-shaped face, a dolichofacial biotype, asymmetrical facial planes and disproportionate fi fths. The smile arch was non-consonant; the smile was positive with a tooth exposure of 100% of the clinical crowns; the facial midline did not match the dental. The lateral and oblique view showed a concave profi le, hypoplasia of the facial middle third, good anteroposterior chin projection, open nasolabial angle and a negative lip step. Intraorally, the frontal photograph revealed a slight deviation of the dental midlines, lingual position of the lower teeth, anterior crossbite and unilateral right posterior crossbite. The molar and canine class was III. The upper arch form was ovoid with crowding and lack of space of less than 6 mm. The lower arch was ovoid and showed mild rotations. Overjet was less than 6 mm and the overbite was minus 2 mm. Orthodontic treatment was performed in three phases: presurgical, surgical and postsurgical. In the presurgical phase dental decompensation was achieved and the patient was prepared for surgery. During the surgical phase, a high Le Fort maxillary advancement surgery with bilateral sagittal osteotomy and advancement genioplasty was made. In the postsurgical phase ideal occlusal relationships, in terms of canine and molar class, overjet, overbite and coincident dental midlines were obtained as well as a more harmonious profile.
publishDate 2019
dc.date.none.fl_str_mv 2019-01-17
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://revistas.unam.mx/index.php/rmo/article/view/68259
url https://revistas.unam.mx/index.php/rmo/article/view/68259
dc.language.none.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv https://revistas.unam.mx/index.php/rmo/article/view/68259/60333
dc.rights.none.fl_str_mv Derechos de autor 2019 Revista Mexicana de Ortodoncia
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Derechos de autor 2019 Revista Mexicana de Ortodoncia
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidad Nacional Autónoma de México
publisher.none.fl_str_mv Universidad Nacional Autónoma de México
dc.source.none.fl_str_mv Revista Mexicana de Ortodoncia; Vol. 6 Núm. 2 (2018): Versión Inglés
2395-9215
reponame:Revista Mexicana de Ortodoncia
instname:UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO
instacron:UNAM
instname_str UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO
instacron_str UNAM
institution UNAM
reponame_str Revista Mexicana de Ortodoncia
collection Revista Mexicana de Ortodoncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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