Scientists have long thought that mechanical considerations drove the animals to passively gnaw on hard materials, says study co-author Bo Duan, a sensory neuroscientist at the University of Michigan, in a statement. If rodents don’t trim their ever-lengthening front teeth, called incisors, their jaws will become misaligned, making it hard to eat.

Jack Hughes lost some teeth leading USA Hockey to the gold medal against Canada at the 2026 Winter Olympics. But, what actually happens when hockey players loose teeth?

A gleaming smile is often seen as a symbol of confidence, vitality, and good health. However, missing front teeth can have a profound impact on a person’s well-being, extending far beyond aesthetics. While the absence of visible teeth may not seem like a ...