Therefore, the orthodontic intervention will not be so limited.  Pay attention to the height of the contour in the lower left quadrant at the time of bracketing (Fig.3 black lines).  The implant was not planned to be placed distal enough.  Thanks to the multiple diastemata in the lower arch (Fig.3), the planned placement issue is not so striking.

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Xin Wei, DDS, PhD, MS 1st edition 04/18/2019, last revision 04/21/2019