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 ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the ...

Shark teeth are also disposable – they are constantly replaced throughout their lives, like a conveyor belt pushing a new ...

Humans naturally produce only two sets of teeth in their lifetime, so tooth loss due to injury or disease is fairly common. Lost teeth are replaced, not restored, with dentures, fillings, or implants.