In Chongqing, the most authoritative hospital for orthodontics, I think it is Chongqing New Age Oral Beauty Center, which has a good reputation and has chain hospitals in many parts of the country. According to experts from Chongqing New Age Dental Center, there are four kinds of sparse dentition: first, the shape of teeth is small and the shape of jaws is normal; 2. Congenital tooth loss and normal jaw shape; Third, the tooth type is normal and the mandible is too large; Fourthly, there is no dental implant after tooth extraction, which causes the displacement of proximal and distal teeth and produces gaps. For the above four reasons, there will be gaps between teeth, resulting in sparse dentition. Chongqing New Age Stomatologist suggested that children with sparse teeth should be treated in time. The child is about 2.5-6 years old, and his mouth is generally deciduous teeth. During this period, if the number, shape and size of the child's teeth are normal, the jaw bone develops normally, and the dentition appears scattered in the gap, which seems to be sparse, but this is generally normal. This is beneficial to the normal eruption of permanent teeth and generally does not need correction in clinic. If the tooth posture is small, the jaw shape is normal; Congenital absence of teeth in the oral cavity, normal jaw shape; Normal tooth shape, oversized chin, etc. It often leads to sparse dentition, which is a sign of disease and needs to be corrected. From 6 years old to 12 years old, oral deciduous teeth and permanent teeth coexist. During this period, dentition was sparse and unusual. Clinically, premature eruption of deciduous teeth or delayed eruption of permanent teeth and interdental spaces caused by labial frenum's abnormal attachment can often get good correction results as long as the etiology is targeted and the symptoms are corrected. After all the deciduous teeth are replaced and the permanent teeth erupt, the dentition is sparse, which is caused by the four types mentioned in the overview. As long as it is corrected as soon as possible, the curative effect will be better. If it is corrected after 12- 16 years old, the course of treatment is often long and the curative effect is uncertain. Orthognathic surgery can be performed at this stage. How to correct adult tooth thinning? The adult's chin is fully developed. At this time, it is difficult to achieve results through traditional orthodontic correction. Therefore, for adult orthodontics, the beauty crown of the beauty crown can be used for restoration.

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