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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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Spring 2008
Volume 9 , Issue 1

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Orthodontic treatment with preadjusted appliances and low-friction ligatures: Experimental evidence and clinical observations

Tiziano Baccetti, DDS, PhD/Lorenzo Franchi, DDS, PhD/Arturo Fortini, MD, DDS, MS

Pages: 713
PMID: 18426099

Aim: To describe the features of low-friction ligatures during the leveling and aligning phase of fixed appliance therapy with preadjusted brackets. Methods: Experimental in vitro and in vivo studies were carried out to test the performance of the low-friction system with regard to leveling and aligning of the dental arches, as well as to increasing the transverse dimension of the maxillary arch. Results: The outcomes of experimental testing showed that the combination of the low-friction ligatures with the superelastic nickel-titanium wires produced a significantly smaller amount of binding at the bracket/archwire/ligature unit when compared to conventional elastomeric ligatures. Conclusion: The biomechanical consequences of the use of low-friction ligatures were shorter duration of orthodontic treatment during the leveling and aligning phase, concurrent dentoalveolar expansion of the dental arch, and the possibility of using biologically adequate orthodontic forces. World J Orthod 2008;9:713.

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