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.
Scanning electron microscope images representative of the root canal walls in the mesiodistal (above) and buccolingual (below) directions after instrumentation with the HyFlex system. Please observe the similar quantity of smear layer adhered in both directions of analysis, and in the root canal thirds (cervical-left; middle-center; and apical-right) (×1000)
