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 ...

A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved from the piercing “body armor” of extinct fish, which ...

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 ...