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◆5.Estimation of period for each step ２：Step by step Procedures ･Step-1:Expand and Stabilize upper arch ･Step-2:Level lower arch (Extract/44) ･Step-3:Retract lower Canines ･Step-4:Upright of lower anteriors ･Step-5:Stabilize lower arch ･Step-6:Retract upper anteriors ･Step-7:Detailing and Finishing ◆Step 1：Expand upper arch Stabilize of the upper arch ･（Anchorage for the class III elastics ･and Point A anchorage）
◆Step１～２
◆Step２ ･Level lower arch and anchorage preparation ･（Anchorage for the canine retraction and class II elastics ）
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