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.
Nanomechanical properties of the normal and abnormal enamel rods of severe dental fluorosis. a Normal enamel rod, abnormal enamel rod, and inter-rod enamel are labeled in SPM image of the outer enamel of severe dental fluorosis. b Nanohardness. c Elastic modulus. d Nanoindentation creep behaviors
