Class II malocclusion treatment with a customized dual force distalizer

Aron Aliaga-Del Castillo, Luciano Soldevilla, Marcelo Vinicius Valerio, Silvio Augusto Bellini-Pereira, Lorena Vilanova, Luis Ernesto Arriola-Guillén, Guilherme Janson

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

Intraoral distalizers associated with skeletal anchorage provide the major benefit of promoting molar distalization with minimum anchorage loss and patient cooperation. This case report presents the treatment of a 17-year-old female with Class II Division 2 malocclusion, maxillary dentoalveolar protrusion, mild mandibular retrusion, increased overjet, deepbite, and lip incompetence. The treatment plan involved initial maxillary molar distalization with a customized version of the skeletally anchored dual force distalizer (DFD). The customized DFD used smaller mini-implants and included a fixed anterior biteplane. The device applied simultaneous forces from the buccal and palatal sides directly to the molars using nickel-titanium coil springs and allowed orthodontic mechanics in the mandibular teeth. An overcorrected Class I molar relationship was obtained after 6 months. After the distalization phase, retraction mechanics began with retraction loops and using a modified transpalatal bar reinforced with the mini-implants as anchorage. Moreover, the finishing phase was performed with multiloop edgewise archwires and intermaxillary elastics to enable an individualized control of each tooth. Total treatment time comprised 2 years 4 months, and significant improvements regarding the facial and occlusal perspectives were noticed. Similarly, these favorable changes remained stable during the 2-year follow-up period. The customized version of the skeletally anchored DFD followed by fixed appliances showed effectiveness and stability in Class II malocclusion treatment.

Idioma originalInglés
Páginas (desde-hasta)743-756
Número de páginas14
PublicaciónAmerican Journal of Orthodontics and Dentofacial Orthopedics
Volumen160
N.º5
DOI
EstadoPublicada - nov. 2021

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