Thirteen months post banding, U dental midline apparently coincides with facial one, diastemata: UL2/3, UL6/7, L3-3, UL post detached, placed crimpable mini post mesial to UL2, closed spring UL2-7.  Three-4 weeks later, diastema appears between UL1/2, while that of UL6/7 closes.  Continue closed spring between UL2/7, while adding power chains U2-2 (Fig.12).  To correct anterior overjet (Fig.13), Class II retraction is introduced bilaterally (Fig.14).

2nd Molar Cross Bite Last Next

Xin Wei, DDS, PhD, MS 1st edition 12/28/2018, last revision 12/30/2018