AIM: this clinical longitudinal prospective study evaluated in cast models the effects of the Pendex appliance. METHODS: thirty cast models of 15 adolescents treated at the Post-graduate course of the School of Dentistry of Araçatuba - UNESP were obtained at the beginning and at the end of the distal movement of the upper molars with the Pendex appliance. RESULTS AND CONCLUSIONS: the results showed increase of the upper dental arch perimeter with distal inclination and transverse control of the upper first molars
Class II malocclusion; Pendex appliance; Pendulum appliance; Distal molar movement
