They're just some components of brackets:
In true sense orthodontic Power chains aren't brackets. They aren't brackets themselves, but simply ligatures that are positioned as a valuable addition to the brackets. They stretch on the braces, and work collectively with other compounds such as hooks, archwire, brackets, orthodontic buccal tubes etc to enhance the appearance & function of your teeth and smile as well. However, they're used only when orthodontist senses it's essential.
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Power chain brackets are manufactured with the same elastic substance that is employed in typical elastic ligatures:
Well, power chains are fundamentally a cluster of O-shaped elastic ligatures connected together, developing a persistent band that operates from one tooth to another. The typical O-rings are employed to grip the archwire into the slots on the brackets. They are avail as individual units that put around the braces to grip the archwire in position. On the other hand, power chains are connected collectively to develop a chain. And in performing so, they're able to offer support to your teeth apart from holding the archwire to the teeth.
They are generally employed in the "space closure" stage of the treatment:
Orthodontists don't employ power chains from the starting of the treatment. But they're still employed in the early periods of the therapy. The "stages" of a regular treatment for a person who has misaligned teeth encompass: "alignment stage", "space closure", & "detailing". Power chains or connected ligatures are generally used throughout the "space closure" phase following the teeth have been straightened in a straight line employing braces. They help in closing any gaps & shifting the front teeth backward whilst assuring that they stay vertical & straight. Usually, they are integrated to close gaps & guide teeth to where they should be.