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.
Schematic drawing of the right mandible of the rat. (a) Enlarged occlusal (top) aspect of the three molars M1, M2 and M3, and the mesio-distal plane (dotted line) along which hemisections were prepared for caries lesion scoring after Keyes (1958 ▸). (b) Lingual (tongue-facing) aspect of the whole mandible.
