Six days post bracketing, the diastema between LL5 and 6 decreases (Fig.4 between arrows, as compared to Fig.3), suggesting uprighting and distalization of the affected tooth.  The diastema increases by trimming the mesial surface of LL6 provisional (Fig.5 *) prior to power chain placement.  More acrylic is added to the occlusal surface of LL 6 and 7; more composite to that of UR3 (as compared to Fig.2) for clearance.

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Xin Wei, DDS, PhD, MS 1st edition 03/27/2018, last revision 05/10/2018