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Quintessence Publishing: Journals: ORTHODONTICS
The Art and Practice of Dentofacial Enhancement

Formerly World Journal of Orthodontics

Edited by
Rafi Romano, DMD, MSc (Editor-in-Chief)

ISSN 2160-2999 (print) / ISSN 2160-3006 (online)

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Summer 2001
Volume 2 , Issue 2

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Three-Dimensional Control in Extraction Cases Using a Bidimensional Approach

Aldo Giancotti, DDS, MS, Anthony A. Gianelly, DMD, PhD, MD

Pages: 168-176

Aim: To illustrate the advantages of using a Bidimensional technique in extraction treatment. Methods: In the Bidimensional technique, vertically slotted brackets of different sizes are placed on the anterior teeth (0.018 x 0.025 inch) and posterior teeth (0.022 x 0.028 inch) to produce all tooth movements, including bodily retraction of maxillary incisors, by means of sliding mechanics. When a 0.018 x 0.022-inch wire is inserted, it fills the vertical portion of the edgewise slot of the incisor brackets, providing third-order control while allowing sliding mechanics on the posterior teeth to readily occur. The method is described and illustrated with a case report of the extraction treatment of a patient with a Class I bimaxillary protrusion. Conclusion: The Bidimensional technique produces controlled tooth movements by sliding mechanics and permits satisfactory control of all dental units during space closure in the treatment of extraction cases. World J Orthod 2001;2:168-176.

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