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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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Winter 2011
Volume 12 , Issue 4

Share Abstract:

Crimpable double tubes for segmental retraction

Renato Parsekian Martins, DDS, MS, PhD/Luiz Gonzaga Gandini Jr, DDS, MS, PhD/Isabela Parsekian Martins, DDS/Lídia Parsekian Martins, DDS, MS, PhD

Pages: 400–403
PMID: 22299113

When a T-loop is used in segmental mechanics, it is generally attached posteriorly to an auxiliary tube in the first molars and anteriorly to a crimpable cross tube or a Burstone canine bracket. This article illustrates the use of a crimpable tube with a 90-degree bend on the base wire to secure a T-loop in segmental retraction. Both of these approaches allow a T-loop to be reactivated in a simple manner without undesirable changes in the system of forces, which could happen if the T-loop is skewed posteriorly. ORTHODONTICS (CHIC) 2011;12:400–403.

Key words: biomechanics, segmental mechanics, T-loop

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