3M Unitek Retraction Spring with Ligature Tie
An orthodontic retraction spring with a built-in ligature tie on one end and a preformed coil loop set at 90 degrees to the helix on the other.
The 3M Unitek Retraction Spring is an orthodontic auxiliary used by dentists and orthodontists to help close spaces and retract teeth along the archwire during fixed appliance treatment. It has a built-in ligature tie at one end for direct attachment to a bracket or archwire, and a preformed coil loop at the opposite end positioned ninety degrees to the helix, which keeps the spring seated correctly and makes activation more predictable during chairside adjustment.
Springs of this kind are a routine part of orthodontic mechanics, used alongside brackets, archwires and ligatures to generate controlled, sustained force over the course of treatment. Clinics and orthodontic labs stock them as a consumable auxiliary rather than a one-time fitting, replacing them as treatment progresses.
This is a single configuration listing from the Unitek Springs and Push Rods range and is supplied as a small orthodontic component rather than a full appliance.
