This case is the maxillary teeth distalization with "ELASTIC JUMP".
The most important thing in this case is using classⅡ elastics during total treatment.Class II elastics (3/16, 6.5 OZ) continued using from stage 9.
LR7 used button cut on the lingual side for effectively improve scissorsbite.
Precision bite ramp was very effective to improve deepbite.
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