Wisdom teeth have been around for millennia. Our ancient ancestors used them the same way we use our other 8 molars: To grind up food, which was especially handy before the advent of cooking ...

Scientists have found evidence of bacteria that cause tooth decay and gum disease in 4,000-year-old human molars. Trapped within the dental remains that were unearthed from a limestone cave in ...

But the worst part is you could be a teeth grinder and not even know it. Every time a grinder gnashes their back molars together, they exert as much as 200 pounds of pressure per square inch.

Premolars are located between the canines and molars. There are four premolars on the upper jaw and four on the lower jaw. Babies don’t get bicuspids — these permanent teeth don’t start ...

Rodent incisors and molars are examples of rootless teeth, in which the root canal remains open and the tooth continues to grow indefinitely. Mice have four incisors, two maxillary (upper ...