UR1 retracted distal, midline matches, LR1 shy 1 mm from midline, with R1-6 tie, retract L1s to R with power chains x4 (L x3,x4; Fig.10 (7.5 months post extraction)).

Midline Deviation Last Next

Xin Wei, DDS, PhD, MS 1st edition 11/21/2017, last revision 10/21/2018