Contrary to popular belief, human canines are not for tearing and ripping meat. Instead, our ancestors used them to fight male rivals for mating rights. Over time, human species evolved smaller and ...

Piranhas belong to a family of bony fish characterized by highly developed dentition. They’re cousins to the pacu fish, which has dentition eerily similar to human teeth. Unlike pacu teeth, which are ...

Incisors are the sharp teeth at the front of the mouth that are important for biting and chewing solid foods. Babies and adults have eight incisors, including: upper central incisors — the two at the ...