Phase I Presurgical treatmentOrthodontics Surgical plan PhaseⅡ Surgical treatment · Mandible Maxilla PhaseⅢ Postsurgical treatment · Orthodontics

Why Serious deformities Unbalance of facial growth Error in operation Shortcoming of operation design Infection and Split open

Phase i Presurgical treatment Orthodontics Surgical plan Phase i[ Surgical treatment Mandible · Maxilla Phase iii Postsurgical treatment · Orthodontics

Local anesthesia Topical anesthesia(表面麻醉 Local Infiltration(局部浸润麻醉) small area anesthetized (one or two teeth) solution deposited near terminal nerve endings

Definition: intra-articular and extra-articular processes may restrictjaw motion severely. Ankylosis of the TMJ is an intra-articular process characterized by fibrous,fibo- -osseous, or osseous obliteration(消失) of the joint space. Extracapsular causes of restricted jaw motion (pseudoankylosis) include but are not limited to coronoid-zygomatic fusion(融合), coronoid hypertropy, and muscular fibrosis