Genetic Mutation Behind Shoveled Teeth May Have Been Key to Ancestral Survival - Asian shovel tooth
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Shovel-shaped incisors are incisors whose lingual surfaces are scooped as a consequence of lingual marginal ridges, crown curvature or basal tubercles, either alone or in combination. Shovel-shaped incisors are relatively common in Central, East and Southeast Asians; the Eskimo and Aleut peoples of Northeast Asian and The morphology of Neanderthal's anterior teeth has. Today, nearly 40 percent of Asian people share this dental trait. The genetic mutation behind tooth shoveling—found in two alleles of the EDAR.