Figure 3.
Distribution of the maximum root length reduction, i.e. minimum rRCR (= min rRCR), of each individual tooth (n = 1600).
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.