Wax up shows that there are diastemata between the upper teeth after U4s' extraction (Fig.11).  It appears that L3s should be reduced as the incisors and that the upper posterior teeth should be mesialized.  The anterior overjet improves after re-alignment.

En Mass Retraction

Xin Wei, DDS, PhD, MS 1st edition 11/13/2016, last revision 11/13/2016