UPPER REMOVABLE APPLIANCE (URA) GROUP 1. Removable appliances Work by simple tipping movements of the crowns of the teeth about a fulcrum close to the.
European 160 Journal of Paediatric Dentistry vol. 14/2-2013 Group 3-Aishah,Amalina, Anis, Asmat, Fadhila, Fatimah, Hamzi, Laila, Ruhaizan,Zahid.
Removable orthodontic appliances: new perspectives on capabilities and efficiency
