They have extra maxillary teeth to allow proper mastication of plant material.
From the en.wikipedia.org
People should never dine together unless they are comfortable in oral mastication.
From the guardian.co.uk
Researchers believe the mastication process is essentially a form of exercise.
From the psychcentral.com
Receives sensation from the face and innervates the muscles of mastication.
From the en.wikipedia.org
This doesn't mean I seek out lettuce that requires a lot of mastication.
From the suntimes.com
This term means to chew, mastication, chewing, to be chewed, and a small piece of meat.
From the scienceblogs.com
See if you can make a sentence using smarmy, mastication and Buttafucco.
From the usatoday.com
Because of the changing patterns of food preparation, less forceful mastication was needed.
From the sciencedaily.com
Hence a week of mastication, expectoration and cogitation.
From the independent.co.uk
More examples
Chew: biting and grinding food in your mouth so it becomes soft enough to swallow
(masticate) grind and knead; "masticate rubber"
(masticate) chew: chew (food); to bite and grind with the teeth; "He jawed his bubble gum"; "Chew your food and don't swallow it!"; "The cows were masticating the grass"
Mastication or chewing is the process by which food is crushed and ground by teeth. It is the first step of digestion and it increases the surface area of foods to allow more efficient break down by enzymes. ...
The process of chewing; The process of crushing as though chewed
(masticatory) increases flow of saliva upon chewing
The reduction of rubber to a pulp preparatory to making tires
(n) the process of chewing our food and mixing it with saliva as the first step of digestion. This is necessary so that the digestive enzymes can work effectively and the nutrients contained in the food can be absorbed and assimilated by the body.
The breakdown or softening of raw rubber by the combined action of mechanical work (shear), and atmospheric oxygen, sometimes accelerated by the use of a peptizer, and frequently at elevated temperatures.