Solving Class II with 12mm OJ without Extraction｜【Chris Chang Ortho】CC787 

[case report]
This report describes the treatment of CII malocclusion with a 12mm overjet without extractions due to patient preference. Instead, apply IZC screws, anterior bite turbos and CII elastics to reduce the excessive overjet. Proper torque selection and use of torque spring to execute torque control. Lastly, settle occlusion by cutting the wire in the posterior and applying elastics.
這篇報告描述CII合併12mm overjet的不拔牙案例。透過IZC screws, anterior bite turbos, CII elastics可以達到減少overjet的效果。最後透過在後牙區剪斷主線，再用elastics來穩定咬合。