Shovel-shaped incisors
Encyclopedia
Shovel-Shaped incisors: Incisors that have a scooped out lingual
surface because of lingual marginal ridges, crown curvature, or a basal tubercle, either alone or in combination.
Shovel incisors are more common in East Asian populations and dramatically more common in Native American populations. East Asian homo erectus
fossils also commonly have shovel-shaped incisors, which has been cited as an important piece of evidence for the multiregional hypothesis of human evolution.
Lingual
Lingual may refer to:* Rap Crew, LINGUAL, an underground widespread hip-hop group from Berlin, Germany. The Group was founded in 2010 with their former member Freddy K. Their music is based on oldschool features with mixtures of Rap, Funk and Jazz and consists of 4 members, Sam-Which, Kurt...
surface because of lingual marginal ridges, crown curvature, or a basal tubercle, either alone or in combination.
Shovel incisors are more common in East Asian populations and dramatically more common in Native American populations. East Asian homo erectus
Homo erectus
Homo erectus is an extinct species of hominid that lived from the end of the Pliocene epoch to the later Pleistocene, about . The species originated in Africa and spread as far as India, China and Java. There is still disagreement on the subject of the classification, ancestry, and progeny of H...
fossils also commonly have shovel-shaped incisors, which has been cited as an important piece of evidence for the multiregional hypothesis of human evolution.