L7s erupt ~7 months post banding. Bands are placed. It is difficult to insert 18 ss wire (from 18 niti (from 18 niti for 2 appointments (coronavirus pandemic in between)) into the buccal tube of LL7 ~ 4 months later, which may be related to the linguoversion of the tooth (Fig.5 vs. 4). Interarch retraction is added.
Extrude or Intrude Last Next Xin Wei, DDS, PhD, MS 1st edition 05/05/2020, last revision 05/05/2020