With IS guide, a 5x11 mm IBS implant is placed in the septum with >5 mm the palatal gap.  After underprep in depth, a 3.5x9 mm achieves primary stability (Fig.2,3).  The palatal defect is repaired with allograft (*) and 2 pieces of PRF membrane.

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Xin Wei, DDS, PhD, MS 1st edition 08/26/2019, last revision 08/26/2019