There are 32 teeth in the human permanent dentition, of which the last four third molars are located at the back of the upper, lower, left, and right dental arches. Because they erupt at the age of sixteen to twenty-four years after the growth of wisdom, there are wisdom teeth. It is called wisdom teeth for short. However, due to evolution and food refinement, the human jaws have a tendency to gradually become smaller because they no longer require strong chewing force. The smaller jaws have to accommodate the same as before. The number and size of the teeth, there is often a problem of insufficient space between the teeth, so crowding, long down, long curved, or can not grow out of the situation will occur, which is impacted. Statistically, long Wisdom teeth that do not come out most often occur in wisdom teeth, so it is customary to call this kind of wisdom teeth that do not grow out impacted wisdom teeth.
Clinically, most people should have wisdom teeth, so you can look in the mirror to see if there are eighth teeth from the midline to the top, bottom, left and right? Are they growing well? Are they straight? Is it often Will it be inflamed and painful? And after counting, whether there is an eighth tooth or not, you should ask your dentist to confirm it during regular check-ups. If it is born with missing teeth, it is worth celebrating, because everything is ok, if it happens unfortunately, it will not grow back. If it comes out, you have to ask the dentist to pull it out as soon as possible, because the wisdom teeth that cannot grow are located in the back of the mouth and are not easy to clean, and the residual food residues are easily used by bacteria to harm the human body. In normal times, chronic infections caused by bacteria It will cause inflammation of the gums, easy bleeding, bone resorption, tooth decay and toothache, and finally tooth extraction due to periodontal disease loosening or pulp necrosis. Injury, or even extraction of teeth, this is also the most unfortunate place. When the body is tired, weak or seriously ill, the acute inflammatory reaction caused by bacteria is even more severe. In mild cases, it causes redness and swelling around the wisdom teeth, unbearable pain, difficulty in opening the mouth, swallowing, chewing, and lymph glands. Severe cases can cause extensive infection and swelling of cellulitis, purulent swelling, fever and chills and other systemic symptoms, if not properly treated (antibiotics and incision and drainage surgery), it may even be fatal.
In addition, if the wisdom teeth do not grow, the residual tooth germs may degenerate and form oral tumors. When there is insufficient space, the tooth germs may absorb the roots of the second molars in front of them, reducing their strength and affecting their function. Ectopic or eruption Incomplete wisdom teeth also often interfere with normal occlusion. The muscles that affect the mandible must often contract abnormally to avoid this interference, which makes muscles and joints prone to inflammation and pain.
Although wisdom teeth that do not grow may cause all of the above problems, they are usually first discovered as symptoms of inflammation and pain around the crown. Don’t be afraid at this time, you should make up your mind, follow the dentist’s instructions, and be on time. Take medicine, brush your teeth reluctantly, and be sure to clean them to facilitate recovery. Once the symptoms of peri-crownitis are relieved, tooth extraction should be arranged immediately to permanently eliminate future problems. What are wisdom teeth and what kind of wisdom teeth need to be removed? Wisdom teeth are the third molars, commonly known as “standing teeth”, which are the last teeth in the dentition. This tooth erupts between the ages of 18 and 30, so it is called a standing tooth.
The structure of the mandible cannot be adequately exercised for chewing function, and it gradually degenerates. The amount of teeth is larger than that of the mandible. In this way, when the third molars grow out, the position is often not enough, so that it is difficult to erupt, which forms “impacted wisdom teeth”, wisdom teeth Impaction is a common disease among young adults. Impacted wisdom teeth can cause irregular dentition, infection of the coronal space, difficulty in opening the mouth, caries of the second molar, and in severe cases, osteomyelitis of the jaw. If a wisdom tooth is found to be impacted and repeatedly causes inflammation, it should be removed as soon as possible to avoid other symptoms or diseases. What are the hazards of impacted wisdom teeth? Wisdom teeth are human third molars, which generally erupt at the age of 18-25. Due to the degeneration of the human jaw, and the corresponding change in the size and number of teeth, the third molars that erupted at last are often impacted because there is no room for eruption, which is manifested as partial eruption, improper eruption, and complete buried impaction. . The incidence of impacted wisdom teeth is high, and its harm is mainly manifested in the following points.
(1) Recurrent pericoronitis. A blind pocket is formed between the soft tissue around the crown of the impacted wisdom tooth and the teeth, causing the accumulation of food and bacteria. When the resistance decreases, pericoronitis is inevitable. General anti-inflammatory treatment treats the symptoms but not the root cause, so pericoronitis will recur.
(2) caries. The misplaced wisdom teeth and the second molars are prone to accumulation of food residues, and it is not easy to clean. Generally, dental caries can form in a few months, directly destroying the tooth tissue.
(3) Impacted wisdom teeth often cannot establish a normal occlusal relationship with the opposite teeth, which can lead to temporomandibular joint snapping, mouth pain, night grinding and other symptoms for a long time, which has a great impact on the physical and mental health of young adults.
(4) There is evidence that some impacted wisdom teeth are the focus of some trigeminal neuralgia. The jawbone that houses the teeth continues to degenerate and shrink, so impacted wisdom teeth are an inevitable result. The removal of impacted wisdom teeth has no adverse effect on mastication, speech and other functions, and extraction is the most effective way to treat impacted wisdom teeth. Therefore, it is recommended to remove impacted wisdom teeth that cause the above hazards as soon as possible and decisively.
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