Simultaneous Intrusion and Retraction of Maxillary Incisors with a Three Piece Intrusion Arch and Mini-screw Implants: A Case Report.

Abstract

Orthodontic treatment for a case with hyperdivergent growth pattern, moderate mandibular arch crowding, and maxillary incisor proclination was undertaken. Segmented arch mechanics with a three piece intrusion arch were used for simultaneous intrusion and retraction of maxillary incisors. Miniscrew implants were used to reinforce anchorage.