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 ...

WASHINGTON — Ever wonder why sharks get several rows of teeth and people only get one? Some geneticists did, and their discovery could spur work to help adults one day grow new teeth when their own ...

THURSDAY, Dec. 18, 2025 (HealthDay News) — Dental appointments may get easier and less painful soon. Scientists have developed a revolutionary gel that can repair and regrow tooth enamel. The ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christina Nicholas, University of Illinois Chicago and David Avenetti, University of ...