Their skull is smaller than their relatives, and it has larger molars.
They also lack incisors, relying entirely on crushing food matter between their large molars.
To break down the plants it consumes, the African bush elephant has four large molars, two in each mandible of the jaw.
The skull of A. m. qinlingensis is smaller than its relatives, and it has larger molars.
Also, river otters have large molars used for crushing hard objects, such as the shells of molluscs.
Pain is often associated more with large molars since they cannot penetrate through the gums as easily as the other teeth.
Its characteristics are a heavy build with large molars and small incisors.
The most significant morphological differences are its large size, massive cranium, and large molars.
Some, like the piranha-caju, even have large molars and strong jaw muscles to crack nuts.
Until age 40, these are replaced by larger molars.