Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip onto females.
Not only can it repair enamel—something that normal toothpastes can’t do—it’s sustainable, too.
Stone Age Europeans sported animal teeth as accessories, but how did they extract the materials to make them?
The Feno is supposed to brush all your teeth at once. But after using this "toothbrush" for three weeks, maybe just stick to your $5 manual brush.
Biological tooth substitutes could provide better alternatives to dentures and titanium implants.
Strange wear marks on the teeth of Paleolithic people in Central Europe have long puzzled scientists, but new research may finally reveal the cause.
Researchers have identified genes linked to tooth size and shape, including one likely inherited from our long-lost cousins.