主訴：牙齒不整齊, 空間不足
治療目標：將上下排牙齒排列整齊
治療計劃：數位隱形矯正 上顎利用拔牙創造空間將牙齒排列整齊 下顎則利用IPRs 創造空間將牙齒排列整齊
治療機制：Class II and Class III elastics, IPR，Extraction.
Chief Complaint: Crowding.
Goals of Treatment: Leveling and aligning
Diagnosis: Class I , High MM angle. Sever crowding in the upper arch. Moderate crowding in the lower arch.
Therapy and Mechanism: Extraction.Space closure. IPRs. Leveling and aligning.
