Are your gums red, puffy and tender? If so, a deep dental cleaning might be on the agenda at your next dentist appointment. Your dentist might recommend a deep cleaning when you develop certain ...

Ask any marine enthusiast about the most terrifying ocean predator of all time, and they won’t talk about a great white shark. Instead, they’ll probably name the great white’s ancient competitor, ...

University of Washington scientists have made a remarkable discovery: real teeth growing on the forehead of a deep-sea ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Talk ...

Spotted ratfish, or “ghost sharks,” have forehead teeth that help them grasp onto mates. It’s the first time teeth have been found outside of a mouth.

Sealants are thin plastic coatings that block bacteria from the deep grooves of teeth. Systematic reviews confirm they significantly reduce decay in permanent molars. They are highly effective in ...