Wisdom teeth are a rite of passage for many people in their late teens and early twenties. But why don’t they come in childhood with the rest of our permanent teeth?
The answer comes down to the development of the child. According to a study in the journal October 2021, there is not enough space in the child’s jaw for wisdom teeth to enter. However, as children grow up, their jaws also grow, leaving room for wisdom teeth. Science Advances..
However, many modern human jaws are not long enough for wisdom teeth to fit in without problems. Therefore, wisdom tooth removal is very common. Again, this is due to the development of the child. Ancient humans ate a diet full of hard nuts, uncooked vegetables, hunting meat, and other tough foods. Following this diet as young people actually lengthen their jaws, Julia Buffner, an anthropologist at the University of Saskatchewan School of Medicine in Canada, writes: conversation.. However, as people in developed countries began to eat softer foods, we stopped maximizing the potential for jaw growth.
Another reason wisdom teeth come in young adulthood is that they don’t need wisdom teeth until then. Wisdom teeth (third set of molars) replace when ancient people grind their molars or lose them with tough food. “These are intended as a kind of backup for those who may have lost another molar,” said Stephen Kupferman, an oral surgeon at Cedars Sinai in Los Angeles. However, most people do not lose their molars at an early age, so wisdom teeth wait until they become adults. In other words, if you lose your molars or grind them as a child or teenager, your wisdom teeth are programmed to spout to fill the gap.
The first set of permanent molars designed to grind food, or the teeth behind the mouth, first come at about 6 years of age when the child begins to lose the baby’s teeth. Around the age of 12, a second molar appears and acts as a backup for the development of a sixth-year molar. decay, Kupferman told Live Science. Third molars, or wisdom teeth, come around the age of 17-21.
Today, dentists often get rid of wisdom teeth because the appearance of wisdom teeth can cause pain in the crowded mouth. Even if a person is painless, removing wisdom teeth during young adulthood can prevent later health problems such as gum infections. Dentists and oral surgeons do not generally remove wisdom teeth as a precautionary measure beyond the age of 27 because of the increased risk of complications such as damage to nearby nerves.But people may get them Wisdom tooth Usually removed after this age due to problems such as pain.
Most people have 32 teeth, including 4 wisdom teeth. But some have more or less wisdom teeth, while others have completely lost their wisdom teeth, Kupferman said. Others may have a fourth molar behind each wisdom tooth, called a paramoral. The modern human mouth has little space for paramorals, so it is always removed at the same time as wisdom teeth.
But not everyone gets rid of wisdom teeth. “Even today, when you pull out your teeth for braces, you often have enough space to keep your wisdom teeth,” Kupferman said.
However, maintaining wisdom teeth can lead to problems in the future. Not all wisdom teeth pop out of the gums in the late teens and early twenties. However, as a person grows older and his gums recede, wisdom teeth can peek. In this case, wisdom teeth only pass halfway through the gums, making them prone to tooth decay and need to be removed, Kupferman said.
“There are denialists [claim] All surgeons are just trying to get rid of wisdom teeth and make money, but I think they know teens and have only seen a few. X-rayYou know that there are good reasons to get rid of wisdom teeth. “
Originally published on Live Science.
Why do wisdom teeth come in so late?
https://www.livescience.com/why-wisdom-teeth-emerge-late Why do wisdom teeth come in so late?