Hello, according to your description and analysis, the process of orthodontics: comprehensive oral examination-model-taking X-rays-taking photos-designing orthodontic scheme-extraction or not-orthodontic treatment-retainer maintenance stage-severe jaw retainer bone deformity-orthognathic surgery. Before malocclusion treatment, each patient's oral condition is different, and the orthodontic treatment time is not exactly the same. Patients with this disease can't smoke, drink or eat spicy food, and their diet should be light and nutritious as far as possible, so as to exercise and maintain physical and mental health.