Haile - Selassie and his colleagues argue that the fossils differ from those of Lucy's species in several ways, having smaller teeth, more forward - facing cheekbones, a more robust lower jaw, and thicker outer enamel on some teeth. (sciencemag.org)
According to the Mayo Clinic, brushing right after an acidic snack or meal can remove the enamel on your teeth. (businessinsider.com)
Too much ice - munching can damage the enamel on our teeth, which could make them sensitive or expose them to decay. (momtricks.com)