The Use of ExtraOral Anchorage Associated to Removable Appliance in the Treatment of Class II, Division 1 Malocclusion with Deep Overbite.

José Fernando Castanha HENRIQUES, Liliana Ávila MALTAGLIATI, Marcos Roberto de FREITAS, Guilherme dos Reis Pereira JANSON, Ana Maria Ávila MALTAGLIATI

Class II maloclusion of patients presenting horizontal or well balanced growth pattern is frequently associated to deep overbite. Removable appliances to extraoral anchorage usually have bow attached at premolar regions for a more intimate setting to the maxilary resistance center. In deep overbites we propose the displacement of force application point to the anterior region to obtain more efficiency of vertical force component. This paper presents a case with the use of such modified approach. Class II maloclusion was satisfactory corrected and overbite reduced due to the greatest downward restriction in the maxillary anterior region generated from the application of extraoral force.

Keywords: Interceptive orthodontics. Class II malocclusion. Deep overbite. Extraoral anchorage.

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