Mandibular premolars with more than one root canal in different race groups.
Trope
M
M
Elfenbein
L
L
Tronstad
L
L
D044466:Asian People; D001641:Bicuspid / Q000002:abnormalities*; D003786:Dental Pulp Cavity / Q000002:abnormalities*; D006801:Humans; D008334:Mandible; D044465:White People