<P> Teeth to be braced will have an adhesive applied to help the cement bond to the surface of the tooth . In most cases the teeth will be banded and then brackets will be added . A bracket will be applied with dental cement, and then cured with light until hardened . This process usually takes a few seconds per tooth . If required, orthodontic spacers may be inserted between the molars to make room for molar bands to be placed at a later date . Molar bands are required to ensure brackets will stick . Bands are also utilized when dental fillings or other dental work make securing a bracket to a tooth infeasible . </P> <P> An archwire will be threaded between the brackets and affixed with elastic or metal ligatures . Ligatures are available in a wide variety of colors, and the patient can choose which color they like . Archwires are bent, shaped, and tightened frequently to achieve the desired results . </P> <P> Modern orthodontics makes frequent use of nickel - titanium archwires and temperature - sensitive materials . When cold, the archwire is limp and flexible, easily threaded between brackets of any configuration . Once heated to body temperature, the archwire will stiffen and seek to retain its shape, creating constant light force on the teeth . </P> <P> Brackets with hooks can be placed, or hooks can be created and affixed to the archwire to affix rubber bands to . The placement and configuration of the rubber bands will depend on the course of treatment and the individual patient . Rubber bands are made in different diameters, colors, sizes, and strengths . They are also typically available in two versions: colored or clear / opaque . </P>

Why do you get chains on your braces