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.
Packing of particles of different sizes relevant for dental composites and dental ceramics. Nanoparticles allow to fill the voids between the larger particles and, thus increase the particle packing density. Image courtesy J. Bossert und I. Firkowska-Boden, FSU Jena.
