Eight weeks later, the tooth #29 is mesialized with wide distal pdl (Fig.8 <).  In fact, the implant at #30 is not used as an anchorage in the orthodontic treatment.  The teeth #29 and 31 are critically mobile.

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Xin Wei, DDS, PhD, MS 1st edition 06/20/2017, last revision 08/15/2018