|
|
Fig.16: Seven months of treatment, the extraction spaces have been closed or being closed. UL 2 has been moved into the arch. But its alignment needs to be improved with arch wire sequence for a second time starting with .0175 twisted wire on the top. The power chains associated with sling shot are just removed. The lingual button will be removed soon.
Xin Wei, DDS, PhD, MS 1st edition 11/30/2013, last revision 12/01/2013