Tooth cosmetology mainly uses different technical means and different materials to change the color, shape and arrangement of teeth, which not only makes teeth more beautiful, but also makes teeth more harmonious with face, lip shape and skin color, making people more perfect. The main methods to change the color of teeth are: cold light whitening, veneering and porcelain. At present, there are two main ways to correct it. One is orthodontics, which is suitable for complex dentition, involving multiple teeth, malocclusion, deep overbite and other jaw abnormalities. The treatment cycle is long, mostly about 1-2 years. The other is prosthodontics, whose main principle is that porcelain crowns restore the normal shape of teeth, which is more suitable for teeth and involves less. I suggest you go to Hanzhong Plastic Surgery Hospital for treatment.