Figure 3.
Changes on the morphology of Quixfil evaluated by scanning electron microscopy: Control (A); Immersion in citric acid (B); Toothbrush abrasion (C); Toothbrush abrasion after immersion in citric acid (D)
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.