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.
Panoramic radiographs showing variations of the mental foramen (MF) position in the vertical plane in relation to premolars apex: classification by Fishel et al. [24]. A = the MF situated coronal to the apex; B = the MF situated at the apex; C = the MF situated apical to the apex.
