Treatment effects of bonded spurs associated with high-pull chincup therapy in the treatment of patients with anterior open bite.

Introduction: The aim of this prospective clinical study was to investigate the cephalometric changes produced by bonded spurs associated with high-pull chincup therapy in children with Angle Class I malocclusion and anterior open bite.

Methods: Thirty patients with an initial mean age of 8.14 years and a mean anterior open bite of -3.