Tooth wear could, in theory, greatly augment differences between - TopicsExpress

Tooth wear could, in theory, greatly augment differences between individuals by reshaping features of jawbones, such as how the rows of teeth are shaped and the height and angle of the jaws. scratches on the root of a tooth in one jawbone suggested repeated toothpicking caused inflammation there. "Dmanisi hominids show the first clear case of overusing the toothpick, which led to infection," Margvelashvili said. "The shape of the lesion reflects the shape of the toothpick."