When disc brakes for high performance cars arrived on the scene we began to hear of warped brake discs on road going cars, with the same analyses and diagnoses. Typically, the discs are resurfaced to cure the problem and, equally typically, after a relatively short time the roughness or vibration comes back.
As a result, the cheek teeth, like the incisors, have evolved to continuously grow throughout life. In other rodents, the diet of tubers, seeds, and grain requires little chewing, resulting in little wear of the cheek teeth.
The majority of people have most of their permanent teeth by age 13, followed by the wisdom teeth, which usually erupt or become impacted between the ages 17-21. They are called wisdom teeth because they typically arrive during the time of life when a person gains maturity, and thus wisdom.