SheridanJ.J., Le Doux WardW. and McMinnR. (1993) Essix Retainers: Fabrication and Supervision for permanent retention. Journal of Clinical Orthodontics, 27, 37–45.
2.
SheridanJ.J., Le Doux WardW. and McMinnR. (1994) Essix Technology for the Fabrication of Temporary Anterior Bridges. Journal of Clinical Orthodontics, 28, 482–486.