Treatment strategies for patients with hyperdivergent Class II Division 1 malocclusion: is vertical dimension affected?

Introduction: The dilemma of extraction vs nonextraction treatment, along with the uncertain potential of orthodontic treatment to control vertical dimensions, still remains among the most controversial issues in orthodontics. The aim of this study was to evaluate 2 contradictory treatment protocols for hyperdivergent Class II Division 1 malocclusion regarding their effectiveness in controlling vertical dimensions.

Methods: The subjects were retrospectively selected from 2 orthodontic offices that used contrasting treatment protocols.