Model Surgery
Preop models shows Class II Division II malocclusion with missing LR 7 and LL6 (Fig.1-4). Model surgery confirms the necessity of U4 extraction for anterior realignment (Fig.5-8) and posterior one (Fig.9-12). An implant at LR7 is avoided (Fig.9).
Return to Ortho Cases Xin Wei, DDS, PhD, MS 1st edition 04/26/2018, last revision 04/26/2018