What's more, the sound of grinding teeth could be enough to damage your hearing. Researchers who examined 400 university students found a strong correlation between grinding and tinnitus.
The gizmo sits over the wearer's back teeth and uses the bones in the wearer's head to channel sounds from the bad ear to the good ear. Melinda Beck has details on Lunch Break. (Photo: Sonitus ...
Commander Donald B. MacMillan, the noted Arctic explorer, obtained about 90 impressions of the teeth of the Eskimos of Smith Sound, "the meat eaters," who live the farthest north of any human beings.