Treatment of Anteriorcrossbite and Tongue-Thrusting Habitin Early Mixed Dentition with a Series of Removable Orthodontic Appliances

A young girl 5.8 years old was diagnosed an anterior crossbite canine to canine deciduous teeth and having tongue thrusting habit while speaking or singing. A series of removable orthodontic appliances with three ways expansion screws and posterior bite-raisers was used to correct anterior crossbite. After anterior crossbite was corrected and tongue thrusting habit also were eliminated without any special treatment. The permanent dentition erupted in good occlusion and smile esthetics were significantly improved with profile mild class III tendention. Follow up at 15 years old, her permanent occlusion and interdigitation dentition remained good, event third molar was not yet extracted.