Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A, Osteotomy using the piezoelectric tip. B, Sinus membrane elevation. C, Insertion of the first resorbable membrane. D, Xenograft condensation into the sinus. E, Flap repositioning and sutures. F, Postoperative retroalveolar radiography. G, Delayed implant placement
