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Wisdom teeth are the third molar teeth in the human mouth, counting from the central incisors to the eighth teeth. Because it erupts late, usually between the ages of 16 and 25 years old, when the physical and psychological development of human beings are close to maturity, there is a symbol of the "wisdom to come", so it is commonly known as "wisdom teeth".
The growth of wisdom teeth varies greatly from person to person. Normally, there should be 4 teeth symmetrically placed on the top and bottom of the head and the left and right sides of the head, but some have less than 4 or even none, and a very few people have more than 4 teeth. The age of eruption also varies greatly, with some people erupting before the age of 20, and others not growing until the age of 40 or 50 or for the rest of their lives, all of which is normal.
Abnormalities and recommendations:
Modern medicine generally considers wisdom teeth to be a remnant of human evolution. As wisdom teeth grow at the end of the alveolar bone, the alveolar bone of modern humans has deteriorated in length, width and strength to varying degrees due to the increasing refinement of eating, which leads to its inability to provide enough space for wisdom teeth to erupt, so that when wisdom teeth erupt they tend to erupt ectopically and become blocked due to the lack of space.
In addition, the deterioration of the wisdom teeth themselves can also lead to insufficient eruption, asymmetric eruption, and so on. These eruption anomalies, combined with difficulties in cleaning and prevention, usually manifest themselves clinically as pericoronitis, caries, periodontitis, endodontitis, and other diseases of the wisdom teeth or neighboring teeth, causing severe pain. Therefore, it is recommended that wisdom teeth that erupt abnormally or asymmetrically be extracted as early as possible.
The above content refers to? Baidu Encyclopedia - Wisdom Teeth
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