To close the distal black triangle, the temporary crown should be changed from the possible concave (Fig.7 white line) to convex (Fig.8 green line) so that the gingival tissue can be pushed coronally (Fig.9 curved grey arrow).  Black outline: implant and its margin.

1 Piece Implant Last Next Xin Wei, DDS, PhD, MS 1st edition 05/01/2015, last revision 08/05/2018