Emphasizes the importance of maintaining healthy teeth for proper chewing, clear speech, and an attractive appearance. It explains the different types of teeth and their functions, the structure of a ...

Great white sharks have a reputation for being some of the most ferocious animals in the ocean, owing in part to their mouth full of sharp, serrated teeth. Most people believe that they are born as ...

Teeth first evolved as sensory organs, not for chewing, according to a new analysis of animal fossils. The first tooth-like structures seem to have been sensitive nodules on the skin of early fish ...