Figure 3.
Illustration representing the different approaches of collecting gingival crevicular fluids (GCFs) from the oral cavity. (a) Intrasulcular approach; (b,c) Extrasulcular approach.
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.