PMID: 8607472Mar 1, 1996Paper

Long-term stability of Class II, Division 1, nonextraction cervical face-bow therapy: I. Model analysis

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
T N ElmsR G Alexander

Abstract

The long-term stability of Class II, Division 1 nonextraction therapy remains poorly described. This study evaluates the face-bow therapy, in conjunction with full-fixed appliance therapy, of 42 patients (34 females and 8 males) who were treated by the same practitioner. Treatment goals had been attained for all patients. The pretreatment, posttreatment, and postretention records were taken at 11.5, 14.5, and 23.1 years, respectively. The results showed that mandibular and maxillary arch widths were increased significantly during treatment. Mandibular intercanine width decreased 0.3 mm during the postretention period; the remaining width measures increased or remained stable. Arch length, which did not change during treatment, decreased 1.0 mm after treatment. Overjet and overbite decreased 4.4 mm and 2.5 mm, respectively, during treatment. Both overjet (0.5 mm) and overbite (0.4 mm) showed small increases after retention. Mandibular incisor irregularity was decreased 2.7 mm during treatment and increased only 0.4 mm after treatment. Within the limits of this study, it is concluded that, when the described techniques are used, nonextraction therapy for patients with Class II malocclusion is largely stable.

References

Jul 1, 1974·American Journal of Orthodontics·P A Shapiro
Feb 1, 1983·American Journal of Orthodontics·P M Sinclair, R M Little

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Mar 8, 2005·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Semra CigerDerya Germeç
Mar 6, 1999·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·E A Al YamiM A van 't Hof
Oct 13, 2006·The Angle Orthodontist·L BondemarkTerttu Pietila
Nov 13, 2009·The Angle Orthodontist·Hyunjung ParkPeter H Buschang
Mar 1, 2012·The Angle Orthodontist·Emad Al MaaitahE S Abu Alhaija
Sep 3, 2013·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Scott A MyserPeter H Buschang
Apr 5, 2016·Contemporary Clinical Dentistry·Shrinivas BasavaraddiAnand Patil
Jul 14, 2010·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Guilherme JansonArnaldo Pinzan
May 11, 2010·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Carla D'Agostini DerechAna Maria Bolognese
Jun 16, 2009·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Jennifer K HortonRolf G Behrents
Mar 10, 2007·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Rael L BernsteinJudith Lampasso
Mar 6, 1999·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·R T Lee
Nov 5, 1999·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·A K AlQabandiE A BeGole
Sep 20, 2005·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Tyler FerrisPeter H Buschang
Apr 9, 2017·International orthodontics·Niwat AnuwongnukrohPeerapong Tua-Ngam
Apr 9, 2017·International orthodontics·Niwat AnuwongnukrohPeerapong Tua-Ngam
May 6, 2008·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Wolfgang HeiserSiegfried Kulmer
Apr 19, 2007·Acta Medica (Hradec Králové)·Chaitra Ramanathan
Apr 15, 2017·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Ragnar BjeringVaska Vandevska-Radunovic
Feb 23, 2019·European Journal of Orthodontics·Ahmad J SwidiPeter H Buschang
Nov 1, 2005·European Journal of Orthodontics·Fulya IşikTülin Arun
Jul 7, 2009·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·James R WorthamTimothy T Wheeler
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