 Rigid splints are made with composite and rigid wires or Erinch bars and orthodontic appliances.The variations in these splints that are made out of similar materials are mainly the diameters of the wires and the weight of the threads; more flexible splints are made of wires that are of lesser diameter while more rigid splints are made of wires with a larger diameter, likewise for the threads.In addition, the wires could also be twisted in a mesh like way to make it more rigid.