Simply put, there isn’t enough room for wisdom teeth because our jaws don’t grow to be big enough to have enough space for them to come in. Since there isn’t enough room for them to erupt properly, wisdom teeth tend to come in at an angle or they don’t fully emerge, which causes problems for the rest of the mouth.
Third molars (the wisdom teeth) routinely damage the teeth right next door, called second molars. Dentists recommend removing wisdom teeth before they become a problem and to avoid a more complicated surgery.
Read more at Ask the Dentist: https://askthedentist.com/wisdom-teeth-removal/