Fig. 2.
Axial view of first and second maxillary molars, arrows pointing mesiobuccal root configuration with two canals (first molar) and one canal (second molar).
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.