Recently, a group of family photos of Cindy, the daughter of Tian Liang and Ye Yixi, quietly became popular on the Internet, but this time it was not because of her energetic sports style or sweet smile, but because of the slight retraction of her chin. For a time, "Cindy's chin retracts" has become a hot topic among the public, which not only tests the coping wisdom of Tian Liang and his wife, but also arouses widespread social concern about the healthy growth of teenagers.
What is chin retraction phenomenon?
Chin retraction, medically known as mandibular retraction, is a common maxillofacial dysplasia. A simple understanding is that the original normal chin took a step backwards, and the front is not obvious. But the lower half of the face is obviously convex when viewed from the side. For children in the growth and development period, mandibular retraction may also affect the normal development of facial bones, leading to more serious maxillofacial deformities, such as protruding mouth, protruding teeth, "buck teeth", incomplete lip closure, and "the mouth can't wrap the teeth". In severe cases, it may also lead to airway stenosis, affecting children's sleep quality and respiratory health. Therefore, we need to pay attention to this phenomenon and correct it as soon as possible. If the bone is mature, it can only be corrected by complex means such as orthognathic surgery, which is not only more painful but also less effective.
How to diagnose mandibular retraction?
According to relevant medical literature records, genetic factors, environmental factors, bite factors, etc. can all lead to such situations. Currently, the conventional diagnostic method is to take lateral radiographs and perform cephalometric analysis, which can more accurately evaluate the relationship between the mandible and skull and determine the degree of mandibular retrognathia. Experienced dentists analyze that chin retraction like Cindy may have missed the optimal correction period and may require complex surgery to improve in the future.
How should we deal with chin retraction?
For children like Cindy, experts have put forward the following suggestions:
1：The jawbone of children aged 3-6 is in a period of rapid growth. If there is chin retraction, specific orthodontic devices can be used to help children correct bad habits and guide the jawbone to return to its normal growth trajectory;
2：9-12 years old is also a critical period for the development of children's facial bones, and functional orthodontic treatment and fixed orthodontic treatment can improve chin retraction symptoms;
3：After the age of 18, the jaw bone has stopped growing. For patients with moderate and severe mandibular retrusion, it may be necessary to combine orthognathic surgery, such as mandibular advancement, to move the jaw bone to a more suitable position. For some patients who do not need surgery or are unwilling to undergo surgery, tooth compensation or bone compensation can be used to cover up the disharmony of the jaw bone and improve the facial shape.
How to better understand tooth or bone compensation?
Compensatory treatment is the use of tooth movement to mask the disharmony of the jawbone and improve facial features. Using fixed brackets or invisible aligners, combined with an archwire system, by gradually adjusting the force of the archwire, guide the teeth and jawbone to move towards the correct position, but this cannot completely correct the jawbone position.
Cindy's chin retraction incident also sounded the alarm for the majority of parents. The problem of children's maxillofacial development can't be ignored. Parents should pay close attention to their children's facial development and take their children for oral examination regularly to achieve early detection and early intervention. At the same time, parents should also pay attention to correcting their children's bad habits, such as mouth breathing and biting their fingers, which may affect the normal development of maxillofacial region.
At the same time, Cindy's chin retraction incident has aroused public concern about children's maxillofacial development. I hope to take this opportunity to improve parents' attention to children's oral health and let more children have healthy and beautiful smiles.
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