It is recommended to go to a professional stomatological hospital in the city, not to that small clinic. When a child is twelve years old, it is the best time to fix his teeth, and he can get a good correction effect by taking the time. Generally, a few hundred pieces of steel wire braces are enough for orthodontics. But it will take several years. Tooth extraction should be analyzed according to the specific structure of teeth, and we should not jump to conclusions.

I hope your daughter can correct it successfully!