I. What are wisdom teeth
Wisdom tooth is the third molar on the innermost alveolar bone in the human mouth, which is just the eighth tooth from the incisor in the middle. Because it erupts very late, generally between the ages of 16 and 25, when the physical and psychological development of people are close to maturity, there is a symbol of “wisdom coming”, so it is commonly known as “wisdom teeth”.
The growth of wisdom teeth varies greatly from person to person, usually there should be 4 teeth symmetrically above and below, some have less than 4 or even none, very few people have more than 4. The age of eruption also varies greatly, with some people erupting before the age of 20 and others growing at the age of 40 or 50 or not growing at all, which is normal.
However, due to evolution and food refinement, the human jawbone has a tendency to gradually become smaller because it no longer needs strong chewing power. If the smaller jawbone has to accommodate the same number and size of teeth as before, there is often a lack of space between teeth, so crowding, growing backwards, growing curved, or not growing out happens, which is called obstruction. Statistically speaking, the most common cases of non-growth occur in wisdom teeth, so it is customary to call these non-growing wisdom teeth as obstructed wisdom teeth.
Do you have wisdom teeth?
Many people do not know whether they have wisdom teeth, in fact, it is very simple to count how many teeth you have to know.
Generally speaking, the normal number of teeth is 28, plus 4 wisdom teeth, a total of 32. The 8th one is from the middle incisor backwards, and the 3rd one (third molar) from the big teeth.
Clinically, it seems that most people have wisdom teeth, so you can look in the mirror and see if you have an eighth tooth from the midline up, down, left and right. Is it growing well? Are they straight? Does it often become inflamed and painful? If you are born with missing teeth, it is worth celebrating because everything is fine. If unfortunately, it does not grow out, then we have to ask the dentist to remove it as soon as possible because the wisdom teeth that do not grow out are located in the last part of the mouth where it is not easy to clean, and the residual food residue is easily used by bacteria to attack the human body.
Third, should wisdom teeth be extracted
First of all, to clarify a misunderstanding, not all wisdom teeth need to be extracted. If the teeth can erupt normally, and the wisdom teeth grow in a normal position and direction, and can bite normally, then it is not necessary to remove them.
Many people often ask: Should I have my wisdom teeth removed? Usually, dentists will recommend wisdom teeth removal for the following reasons.
1. Tooth decay: If the wisdom teeth are decayed, except for the simple decay on the occlusal surface which is not deep enough to be filled, we always recommend to extract those decayed teeth on the adjoining surface which require good technique and those decayed so deep that they need root canal treatment.
2. Invasion of adjacent teeth: Usually the patient is not aware of it, but the dentist can diagnose it by X-ray. Usually there is not enough space for the wisdom teeth to erupt and they fall on the second molars, thus causing the second molars to be difficult to clean and even partial resorption of the teeth, causing discomfort or toothache to the patient.
3, lack of space: wisdom teeth in the evolutionary history of mankind, is a state of fading. Therefore, the dental arch is also getting smaller and smaller, and the lack of space is very common. The swelling and painful feeling can be felt most when taking eruption. Many people decide to remove their wisdom teeth because they cannot tolerate this painful feeling.
4.It is not easy to clean: Due to the lack of space, wisdom teeth often grow crooked, so it is often difficult to clean teeth, resulting in the occurrence of tooth decay.
5. No pair of teeth: As mentioned earlier, not everyone’s four wisdom teeth will grow together. Therefore, if there is no opposing wisdom tooth to bite the opposite side of the wisdom tooth, sometimes excessive eruption of the wisdom tooth will occur, which will affect the bite.
6, obstructed teeth: usually this is the most annoying kind, the dentist will find it difficult to fix, but the patient does not necessarily feel, so ignored. This type of tooth is usually buried inside the alveolar bone, and if it is painful or diagnosed with a lesion, it needs to be extracted.
Will wisdom tooth extraction affect my intelligence? It will not affect intelligence at all!
The claim that wisdom is affected by wisdom tooth extraction is completely unfounded.
Although it is called “wisdom tooth”, it is just like other teeth, and there are only branches from the alveolar nerve in the middle of the pulp, in addition to blood vessels and connective tissues. The inferior alveolar nerve comes from the mandibular nerve, which is a branch of the trigeminal nerve. Although the trigeminal nerve is a branch of the cranial nerve, its main function is to control the sensation of facial pain, warmth and touch as well as to control chewing movements, and has nothing to do with intelligence and memory.
Five, wisdom tooth extraction can be thin face? You think too much, wisdom teeth have nothing to do with the shape of the face
Unlike those who do not want to remove their wisdom teeth, many girls actually hold the purpose of a thin face to remove wisdom teeth! But the truth is that wisdom teeth have nothing to do with the shape of the face.
The shape of the face is mainly supported by the jawbone, especially the lower jawbone, and it is the size of the jaw angle that determines the shape of the face. Wisdom teeth erupt after the jawbone is fully formed, and whether or not they are removed has no effect on the angle of the jaw angle. However, it is true that swelling occurs after wisdom tooth extraction and the face will be swollen.
VI. Is there any harm in wisdom tooth extraction?
The harm of wisdom tooth extraction is mainly caused by the lack of technical skills of the dentist and the irregularity of sterilization.
Due to the lack of technical skills and sterilization of dentists in informal institutions, wisdom tooth extraction can lead to the destruction of adjacent tooth tissues and periodontal gums, and even lead to serious consequences such as bleeding, pain and infection after wisdom tooth extraction.