Ligature Wire is a stainless steel wire of “deadsoft” temper that allows ligating and tying to be done with minimal work-hardening of the wire.
Available Sizes:
0.20mm (0.08")
0.25mm (0.10")
0.30mm (0.12")
A ligature is used primarily to keep the archwire held into the slot on the bracket but they can also direct the teeth in a particular direction, depending on the type of ligature used and how it is tied onto the tooth.