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.
CT scan shows bilateral mucous cysts in maxillary sinuses (in particular on right side) and a concha bullosa of the right middle turbinate, which represent contraindications to the sinus grafting procedure needed for implant placement, due to risk of ostium obstruction and secondary sinusitis.
