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Παρασκευή 3 Νοεμβρίου 2017

Long-term stability of Class II treatment with the Jasper jumper appliance

Publication date: November 2017
Source:American Journal of Orthodontics and Dentofacial Orthopedics, Volume 152, Issue 5
Author(s): Camilla Fiedler Foncatti, José Fernando Castanha Henriques, Guilherme Janson, Waleska Caldas, Daniela Gamba Garib
IntroductionTreatment of Class II Division 1 malocclusion with orthopedic devices combined with fixed orthodontic appliances has shown excellent results when used in growing patients. We aimed to evaluate the long-term stability of the cephalometric changes obtained during Class II malocclusion correction with the Jasper jumper associated with fixed appliances.MethodsThe treatment group comprised 24 patients who were evaluated at 3 stages: pretreatment, posttreatment, and long-term posttreatment. The control group comprised 15 subjects with normal occlusion. Intratreatment group comparisons among the 3 stages were performed with repeated measures analysis of variance, followed by Tukey tests. Intergroup comparisons of posttreatment changes and normal growth changes of the treatment group were performed with t tests.ResultsApical base relationship, maxillary incisor anteroposterior position, and overjet demonstrated significant relapses in relation to the control group.ConclusionsMost dentoalveolar changes obtained with the Jasper jumper followed by fixed appliances during treatment remained stable in the long term. However, apical base relationship, maxillary incisor anteroposterior position, and overjet demonstrated significant relapses in relation to the control group. Therefore, active retention time should be increased in the posttreatment period.



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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,

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