Generally as ZhiYa or orthodontics out their need how long?

Generally as ZhiYa or orthodontics out their need how long?

Question:

Gender: female
Age: 17
History:
Description: I was just a high school student, after examination, want to use summer for orthodontics or ZhiYa (a), intact. Because the knowledge of shallow, hope everybody can carry some Suggestions and opinions. Thank you to help.

Treatment:

Hello, you are very suitable for the age of orthodontics is pulling the wisdom can simultaneously