Core Tip: How old are wisdom teeth? Because wisdom teeth are mostly around 16 to 24 years old when they grow. After people’s wisdom grows, they are also called wisdom teeth, referred to as wisdom teeth.
The origin of wisdom teeth Wisdom teeth refer to the four third molars in the human oral cavity, the innermost, upper, lower, left and right sides of the alveolar bone. Because these 4 third molars began to erupt at the age of 20. At this time, people’s physical and psychological development was close to maturity, so they were regarded as a symbol of “the arrival of wisdom”, so they were called “wisdom teeth”-wisdom teeth.
In fact, from the point of view of modern medicine, wisdom teeth are inevitable in human evolution. As we all know, “use it and lose it” is a universal law in the theory of biological evolution. Wisdom teeth are an excellent example.
Which wisdom teeth should be removed to keep? Whether wisdom teeth are extracted or not is particular, that is to say, the extraction and retention of wisdom teeth should be determined according to the degree of impacted wisdom teeth, their orientation (mesial, distal, buccal, lingual, etc.) and the presence or absence of chewing function. Often complicated by inflammation and other conditions to decide.
According to the investigation and study on impacted wisdom teeth and their complications of 2,560 physical examination patients by the Department of Stomatology, Nanjing General Hospital of Nanjing Military Command, it is believed that wisdom teeth with the following complications should be extracted:
1. Buccal impacted wisdom teeth that have no chewing function and often bite through the buccal mucosa may become the focal tooth that leads to buccal mucosa rupture, infection, erosion, or even precancerous lesions, and should be removed early.
2. Low vertical impacted wisdom teeth that are often complicated by acute and chronic pericoronitis have become focal teeth that affect health and should be extracted.
3. Mesial oblique impacted wisdom teeth, although asymptomatic, the existence of the wisdom teeth can cause the cavities of the distal adjacent teeth of the second molars in the neck. In order to protect the second molars with important chewing function, early extraction of such impacted wisdom teeth is recommended.
For other wisdom teeth with normal tooth position and chewing function, or wisdom teeth with no chewing function despite impaction, but without complications such as discomfort, inflammation, dental caries, or wisdom teeth that can be used as abutments for denture (denture) restoration Wisdom teeth should be retained.
Wisdom tooth extraction is very difficult. Some impacted disease particles are buried horizontally, requiring mucosal incision and deboning before they can be removed. Due to the large damage during the operation, the postoperative reaction may also be severe, which may lead to facial irritation. Postoperative swelling.
Therefore, it is necessary to routinely prepare anti-inflammatory drugs and pain relievers after surgery. Wisdom teeth are often painful. The most unbalanced thing is that wisdom teeth are useless at all. Wisdom teeth can degenerate for two reasons.
First, in the process of evolution, the jaws of modern humans have become smaller, and wisdom teeth have lost space for growth;
Second, it may be related to oral hygiene. Thousands of years ago, it was common for someone around 18 to lose a few or most of their teeth.
At this time, the wisdom teeth that have just erupted will come into play. And now the situation is very different. Modern people have the habit of brushing their teeth, and the lifespan of their teeth is greatly extended, and they may not even fall out for life. In this case, wisdom teeth become redundant.
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