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The International Journal of Adult Orthodontics & Orthognathic Surgery
(Published from 1986-2002)

Edited by Robert L. Vanarsdall, DDS and Raymond P. White, Jr, DDS, PhD

Continued by World Journal of Orthodontics.

ISSN 0742-1931

The International Adult Orthodontics & Orthognathic Surgery
Volume 17, Issue 1


Extrusion-based leveling with segmented arch mechanics

Hassan Noroozi, DDS,MSc, Hassan Moeinzad,DDS

Leveling of the dental arch may be accomplished through anterior intrusion, posterior extrusion, or a combination. Posterior extrusion is usually preferred in vertically balanced adolescents and in surgical-orthodontic treatment of adults suffering from deep bite and mandibular deficiency. A major disadvantage of posterior extrusion, when accomplished by continuous archwires, is incisor flaring. Here a segmented arch arrangement is proposed for posterior extrusion that combines the clinical simplicity of continuous mechanics with better control of incisor position. (Int J Adult Orthod Orthognath Surg 2002;17;4749)

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