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More info
You can access this
clinical trial
if you have
Orthodontic Treatment
and you are
over 16
years old
The phase for this study is not defined.
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The purpose

This is a clinical study involving patients undergoing orthodontic treatment with fixed appliances ('train-track braces'). A new type of train-track has recently been marketed. Over 4 million patients worldwide are wearing on of these appliances; this system is considerably more expensive than a normal train-track. However, there is little evidence to support its use. The effects of three different types of train-track will be assessed with respect to the quality of Orthodontic tooth movement produced. Furthermore, the impact of the different train-tracks on daily life of orthodontic patients will also be measured. Consequently, the investigators will be able to inform orthodontists' decisions relating to the choice of train-track they recommend for their patients. In addition, should the more expensive appliances demonstrate objective or subjective advantage, a significant efficiency saving may develop.

Provided treatments

  • Device: Conventional orthodontic bracket, passive self-ligating brackets and active self-ligating bracket

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01320657. The sponsor of the trial is Barts & The London NHS Trust and it is looking for 96 volunteers for the current phase.
Official trial title:
A Randomised Clinical Trial of Orthodontic Treatment With 3 Fixed Appliance Systems Assessed Using Digital Models