The buccal wing is excessively long.  The provisional is removed (Fig.7) for revision and temporary cementation (Fig.8). It appears that the buccal margin of the provisional should be further shortened so that the gingival margin (Fig.7 >) can grow more coronal to cover the abutment (A) margin.

Bone Expanders for Sinus Lift Last Next Xin Wei, DDS, PhD, MS 1st edition 12/21/2015, last revision 03/01/2021