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.
Four facial expressions were photographed before (A–D) and after operation (E–H)—wrinkling the forehead (A,E), closing the eyes tightly (B,F), whistling (C,G), and smiling widely (D,H). Moderate facial dysfunction in the lower part of the mouth was observed during whistling (G) and smiling (H). (The photos have been approved for publication by the patient).
