Wisdom tooth and wisdom tooth pericoronitis
Wisdom teeth, also known as the third section, usually around the age of 20 grow teeth. Most modern people can not be successfully eruption of wisdom teeth, even teeth eruption is also very difficult to play due role.
If you want to reason, must be considered in the process of human evolution. If you see the ape-man's skull had a similar photo or attention, you'll find with the human evolution, the brain is constantly expanding, and jaw gradually Dental Health narrowing. The process of human evolution, habits changed, the food received more soft, gradually causing degradation of the mandible, shortened, ie: chewing organ degradation. In contrast, far less than the rate of tooth narrow jaws. In this sense, the number of teeth of modern man has "oversupply" (So, now the standard number of teeth is 28-32, a considerable number of people have been completely degraded disappeared wisdom teeth). Insufficient to provide the location of the jaw position of wisdom teeth eruption, leading to wisdom teeth eruption blocked. Medicine known as impacted wisdom teeth. Impacted wisdom teeth can present a variety of locations, such as vertical, horizontal or forward position and so on.
The surface of the impacted molars had gum flap, so that with the crown to form a gap between, medically known as blind bag. People eat Dental Equipment food debris most likely hiding inside, with oral humidity, humidity to provide a good bacterial growth and reproduction environment. Even if the bag of food residues blind brushing, mouthwash is not easy to remove. Under normal circumstances, the harm caused by bacteria is not obvious, but in the cold, fatigue, reduced resistance when it stir up trouble and take advantage of, which formed a wisdom tooth pericoronitis.
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