Three-rooted Mandibular First Permanent Molars in Greenland Eskimo Skulls

• Published in: ARCTIC
• Main Author: Curzon, M.E.J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: The Arctic Institute of North America 1974
• Subjects: Stellaria; Arctic; Baffin Bay; Baffin Island; Bering Strait; Greenland; Pedersen; aleut; Baffin; Chukchi; Davis Strait; eskimo*; Alaska
• Online Access: https://journalhosting.ucalgary.ca/index.php/arctic/article/view/65919

The first permanent mandibular molar normally has two roots; however, in a number of individuals a third root develops. This anomaly with three roots (3RM1) occurs in between 0.9%1 and 3.4%2 of Caucasians. The anomaly is unknown in the Negro, but in Mongoloid races is of such a high prevalence as to...