Three weeks of closed spring between UL3 and 6, UL2 is also distalized because of periodontal ligament between the neighboring teeth (Fig.11 (10.5 months post banding; 16x22 wire placed for further retraction (overjet))).

2nd Molar Cross Bite Last Next

Xin Wei, DDS, PhD, MS 1st edition 08/31/2018, last revision 12/30/2018