A distinctive feature of northeast Asian and Native American teeth is:

Question

Quizplus · Accepted Answer

"Shovel-shaped" incisors are a distinctive feature of both northeast Asian and Native American teeth. This refers to the concavity or scooped-out appearance of the back surfaces of the incisors, which is not as pronounced in other populations. Supernumerary wisdom teeth (B) and long canines (C) are not unique to these groups, and root canals (D) are not a visible feature of teeth.

A Distinctive Feature of Northeast Asian and Native American Teeth