Factor 1: Hospital conditions.
Professional orthodontic treatment institutions attach great importance to hardware investment and software construction. A set of comprehensive orthodontic equipment is millions. The technology, quality, reputation and service of hospitals are different, and the commitment to beauty seekers is different.
The second factor is the doctor's skill.
Orthodontists should not only be proficient in oral therapy, but also have a strong aesthetic concept, and rely on the professional theoretical support of clinicians, standardized operation, correct design and close cooperation of technicians.
As for the time, surgical orthodontics usually takes 30 minutes to an hour, but it will also be affected by factors such as late care.