1. A gum-massaging appliance in the treatment of pyorrhea;Remensnyder O;Dent Cosmos,1926
2. The philosophy of the tooth positioning appliance;Kesling HD;Am J Orthod Dentofacial Orthop,1945
3. The vacuum formed dental contour appliance;Nahoum HI;NY State Dent J,1964
4. Invisible retainers;Ponitz RJ;Am J Orthod,1971
5. Essix retainers: fabrication and supervision for permanent retention;Sheridan JJ;J Clin Orthod,1993