If the teeth are uneven, it is not easy to clean and it is easy to suffer from periodontal disease. When you are 40-50 years old, it is not good to lose your teeth because of periodontal disease. Porcelain teeth can really help you straighten your teeth, but that needs a lot of grinding. Smaller, braces at your age need precious metals or all-ceramic to prevent gums from turning black. So few doctors will ask you to do this. If the porcelain tooth is broken, it is damaged. Then it needs to be re-made, and the cost will not be much less than that of correction, and it may increase. Orthodontics: It is estimated that you will choose tooth extraction orthodontics, but it will take a long time and take 1.5 to 2 years. Orthodontics is a very professional technology. You need to find a good dentist and a regular orthodontist to do it for you. It is recommended to choose a doctor aged 35-45. Doctors at that time were experienced and broad-minded.