Uneven teeth will affect the cleanliness of the oral cavity, so it is prone to dental caries, gingivitis, periodontitis and other oral diseases. Recent studies have also found that teeth are internal organs that transmit brain stimulation. Tooth loss not only affects digestion and absorption, but also affects the vitality of brain cells, leading to memory loss and increasing the incidence of Alzheimer's disease. From a psychological point of view, uneven teeth seriously affect the appearance and directly affect the mental health of patients. In view of the phenomenon of uneven teeth, experts from Guiyang Lidu Plastic Surgery Hospital said that minors can usually use traditional braces technology for correction, while adults can use the beauty crown technology for correction because their teeth development has been basically completed. Beauty crown, as a new method of tooth beauty, is popular in Europe, America, Japan and South Korea. Adopting international advanced dental techniques and concepts such as digital positioning technology and painless technology, it has the advantages of no tooth extraction, no pain, short time, firm teeth and no black line after many years, and achieves lasting and guaranteed dental beauty effect. The beauty crown adopts 3D digital positioning technology, and designs a tooth beauty scheme combining face shape and skin color, so that the corrected teeth are compact and elegant. Tooth beauty can improve the lip shape, face shape and occlusal relationship on the same day, and you can immediately have a standard smile of 8 teeth in 7 days.