After implant removal, the sinus membrane is perforated.  A piece of collagen plug (preferably Osteogen plug) is inserted (Fig.10,11).  Because of the concavity, bone graft seems necessary when the wound heals.

Sticky Bone Last Next  3rd Placement

Xin Wei, DDS, PhD, MS 1st edition 11/01/2019, last revision 01/05/2021