In the next 8 months, these 2 mini-implants become loose.  Two new mini-implants are placed in the mesiolingual (Fig.4 ^) and distobuccal regions.  The one in the distobuccal region is loose after a while (Fig.6,7 >).  In brief, mini-implants are not efficient in intrusion for this case.  At this time, the implants at the sites of #12,13 apparently osteointegrate (3 months post placement) and abutments are placed. 

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Xin Wei, DDS, PhD, MS 1st edition 08/26/2014, last revision 08/27/2014