This tool provides an orthodontic expansion screw to generate expansion force between first and second fastening element. This makes possible to fasten together opposite sides of the upper jaw.
Each fastening element has at least two mounting wires with at least three free ends for anchoring teeth of the upper jaw. The tool is made from high quality stainless steel.
Usage : Orthodontic expansion screw.
Packing: 1 set per package. 10 per order.