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.
(A) Box plot of percentage of void areas at 2, 4, and 6 mm to the apex. (B) Box plot of percentage of gap regions at 2, 4, and 6 mm to the apex. (C) Box plot of percentage of sealer penetration into dentinal tubules at 2, 4, and 6 mm to the apex. *: P < 0.05.
