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finishes nearly 2 years. The upper anterior teeth should have been moved to the right by controlling posterior anchor well (at UR7 instead of UR6 or use of mini implant). Impres-sion should have been taken when a diastema appears between UR3 and 5 during inter-digitation retraction to analyze the problem.
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Ortho Cases
Xin Wei, DDS, PhD, MS 1st edition
03/18/2020, last revision
03/19/2020