A new tooth-regrowth drug from Japan cleared an early safety trial and could offer an alternative to implants and dentures.
Experts have uncovered the earliest known example of a fish with extra teeth deep inside its mouth—a 310-million-year-old fossilized ray-finned fish that evolved a unique way of devouring prey.
Normal adult humans have 32 teeth. Rarely, someone has a condition called hyperdontia where they have more than 32. This happens with around 1-2% of the population. Sometimes, those with hyperdontia ...
Supernumerary teeth, defined as any additional teeth beyond the normal dental formula, represent a common developmental anomaly with global prevalence varying from 0.1 % to 3 %. Their morphology ...
See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have discovered a wolf in Minnesota that has grown an extra ...
ROSEMONT, Ill., April 15, 2026 /PRNewswire/ -- Most children grow 20 baby teeth and, eventually, 32 permanent ones. Some grow one more. An extra tooth that appears between the two upper front teeth is ...