Figure 1.
Photographs of injected dye and cleared specimens; maxillary first molars (a); second molars (b) and third molars (c) showing various roots with root canal numbers and canal anatomies
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.