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.
First injection: We started injecting under the dermis in the cleft side cheek midway between the infraorbital nerve and the base of the ala. After the needle site was numb, we very slowly injected an additional 2–5 ml without moving the needle at all to anesthetize all involved branches of the infraorbital nerve.
