Encyclopedia of life and health
Wisdom teeth (wisdom? Teeth) refers to the innermost four third molars on alveolar bone in human mouth. Because these four third molars just began to erupt around the age of 20, at this time, people's physical and psychological development is close to maturity, so they are regarded as a symbol of "wisdom arrival", so they are called "wisdom teeth"-wisdom teeth. ? In fact, from the perspective of modern medicine, wisdom teeth are the necessity of human evolution. As we all know, "survival of the fittest" is a universal law of biological evolution. Wisdom teeth are an excellent example. Wisdom teeth, the scientific name of the third molar, commonly known as wisdom teeth, upright teeth and complete teeth, are the teeth closest to the throat in the mouth. If they all have one ***4 teeth, and two teeth in the maxilla and maxilla, they usually grow over 16 years old. Compared with deciduous teeth and permanent teeth replaced in childhood, wisdom teeth usually grow when people's minds are mature, hence the name.