Generally speaking, orthodontics takes about one and a half to two years, or even longer. The specific time depends on the individual's dental condition. As for the cost of orthodontics, it is mainly related to the hospital you choose, the doctor, the way of orthodontics and your own dental condition. As far as Shanghai is concerned, the total cost is generally above 10,000 yuan. Specifically, it is recommended to go to a regular dental clinic for on-site consultation. I hope I can help you.