1. Tying twin brackets;Faber;Am J Orthod Dentofacial Orthop,2000
2. Friction in perspective;Braun;Am J Orthod Dentofacial Orthop,1999
3. In vitro comparison of the force degradation of orthodontic intraoral elastics from different compositions;Vieira;RSBO Revista Sul-Brasileira de Odontologia,2013
4. A comparison of time related forces between plastic alastiks and latex elastics;Bishara;Angle Orthod,1970
5. Orthodontic elastic materials;Wong;Angle Orthod,1976