It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

For decades, dentists and scientists have dreamed of helping people regrow lost teeth. Now, thanks to remarkable advances in genetics, molecular biology, and regenerative medicine, that dream is ...

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...