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Conference Paper: Advantages of early treatment of pseudo Class III

TitleAdvantages of early treatment of pseudo Class III
Authors
Issue Date2003
PublisherOxford University Press. The Journal's web site is located at http://ejo.oxfordjournals.org/
Citation
The 79th Congress of Euoropean Orthodontic Society, Prague, Czech Republic, 10–14 June 2003. In European Journal of Orthodontics, 2003, v. 25 n. 4, p. 438 Abstract no. 51 How to Cite?
AbstractAIM: To investigate the long-term outcome of early treatment of pseudo Class III malocclusions, using a simple fixed appliance and to compare it with untreated controls. SUBJECTS AND METHOD: Twenty-one consecutively treated pseudo Class III malocclusion patients with a mean age of 9.6 years. Fifteen untreated pseudo Class III subjects in the permanent dentition were used as controls. The subjects in the treated group were followed for 5 years. Lateral cephalograms and study models were analysed for the treated, the control and the follow-up group. RESULTS: Anterior crossbites and mandibular displacement were corrected after treatment and relapse was not observed during the follow-up period. The angulations of the upper incisors to the maxillary plane showed a mean increase of 9.5 degrees (P < 0.001), whereas the angulation of the lower incisors to the mandibular plane showed a decrease of 4.9 degrees (P < 0.001). A comparison of the space available as a result of early treatment with space required for alignment of teeth in the upper arch of the untreated group indicated that there was sufficient space for the eruption of the canines and premolars as a result of early treatment, whereas lack of space was evident in the untreated controls. CONCLUSIONS: Early treatment of pseudo Class III by proclination of the upper incisors provides sufficient space for the eruption of the buccal segments; erupting canines and premolars are guided into a Class I relationship after early correction of anterior mandibular displacements
Persistent Identifierhttp://hdl.handle.net/10722/94176
ISSN
2015 Impact Factor: 1.44
2015 SCImago Journal Rankings: 1.090

 

DC FieldValueLanguage
dc.contributor.authorRabie, ABMen_HK
dc.contributor.authorHagg, EUOen_HK
dc.contributor.authorGu, Yen_HK
dc.date.accessioned2010-09-25T15:23:38Z-
dc.date.available2010-09-25T15:23:38Z-
dc.date.issued2003en_HK
dc.identifier.citationThe 79th Congress of Euoropean Orthodontic Society, Prague, Czech Republic, 10–14 June 2003. In European Journal of Orthodontics, 2003, v. 25 n. 4, p. 438 Abstract no. 51en_HK
dc.identifier.issn0141-5387en_HK
dc.identifier.urihttp://hdl.handle.net/10722/94176-
dc.description.abstractAIM: To investigate the long-term outcome of early treatment of pseudo Class III malocclusions, using a simple fixed appliance and to compare it with untreated controls. SUBJECTS AND METHOD: Twenty-one consecutively treated pseudo Class III malocclusion patients with a mean age of 9.6 years. Fifteen untreated pseudo Class III subjects in the permanent dentition were used as controls. The subjects in the treated group were followed for 5 years. Lateral cephalograms and study models were analysed for the treated, the control and the follow-up group. RESULTS: Anterior crossbites and mandibular displacement were corrected after treatment and relapse was not observed during the follow-up period. The angulations of the upper incisors to the maxillary plane showed a mean increase of 9.5 degrees (P < 0.001), whereas the angulation of the lower incisors to the mandibular plane showed a decrease of 4.9 degrees (P < 0.001). A comparison of the space available as a result of early treatment with space required for alignment of teeth in the upper arch of the untreated group indicated that there was sufficient space for the eruption of the canines and premolars as a result of early treatment, whereas lack of space was evident in the untreated controls. CONCLUSIONS: Early treatment of pseudo Class III by proclination of the upper incisors provides sufficient space for the eruption of the buccal segments; erupting canines and premolars are guided into a Class I relationship after early correction of anterior mandibular displacements-
dc.languageengen_HK
dc.publisherOxford University Press. The Journal's web site is located at http://ejo.oxfordjournals.org/en_HK
dc.relation.ispartofEuropean Journal of Orthodonticsen_HK
dc.rightsEuropean Journal of Orthodontics. Copyright © Oxford University Press.en_HK
dc.titleAdvantages of early treatment of pseudo Class IIIen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0141-5387&volume=25&issue=5&spage=438&epage=&date=2003&atitle=Advantages+of+early+treatment+of+pseudo+Class+IIIen_HK
dc.identifier.emailRabie, ABM: rabie@hkusua.hku.hken_HK
dc.identifier.emailHagg, EUO: euohagg@hkusua.hku.hken_HK
dc.identifier.authorityRabie, ABM=rp00029en_HK
dc.identifier.authorityHagg, EUO=rp00020en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1093/ejo/25.4.425-
dc.identifier.hkuros110882en_HK
dc.identifier.volume25en_HK
dc.identifier.issue5en_HK
dc.identifier.spage438en_HK

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