齒列擁擠–鄰面去釉 (IPR) 齒列擁擠–拔牙 (下門齒) 齒列擁擠–臼齒遠移 (Molar distalization) 齒列擁擠–擴弓 (Arch expansion) 齒列擁擠–拔牙 (小臼齒) 齒列間隙–關閉 深水平覆蓋深垂直覆蓋 (Deep overjet deep overbite) 反咬 (Cross bite) 開咬 (Open bite) 牙周病
