For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their ...

Tooth pain may be caused by conditions like a sinus or mouth infection, or dental issues like a cavity or broken filling.

Future research will expand to larger primate samples, investigate diet-wear links in the wild, and apply advanced imaging to see how lesions form. The aim is to refine how we interpret the past while ...

MELBOURNE, Oct. 6 (Xinhua) -- An Australian study overturns the long-held belief that grooves on ancient human teeth were evidence of early "toothpicks" used for cleaning or pain relief.

NYU scientists are developing a zinc-based treatment for tooth decay that combats bacteria, blocks pain, and avoids staining teeth—all without drilling ...