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World J Orthod. 2008 Spring;9(1):7-13.

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

Author information

1
Department of Orthodontics, University of Florence, Florence, Italy.

Abstract

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.

PMID:
18426099
[Indexed for MEDLINE]

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