premolar

One species has the biggest molars, while the other has the largest premolars.

The team used CT scans and other methods to analyze the shapes and sizes of jaws, premolars and molars in more than 100 noctilionoid species.

Until recently, the only reliable way to determine the age of a polar bear has been to extract a premolar and inspect its growth rings.

Mr. Biden began experiencing dental pain in his lower right premolar on Sunday, according to a letter from White House physician Kevin O’Connor.

One such group—the multituberculates—flourished in the Cretaceous underworld, using their saw-blade premolars and gnawing incisors to devour a new type of food: fruits and flowers.