The length of orthodontic treatment is a long and gradual process that requires patients to actively cooperate with the doctor and to follow every process strictly, and to follow regular follow-ups. The duration of treatment depends on the degree of malocclusion and generally ranges from 6 to 24 months. The cost of orthodontic treatment varies depending on the complexity of the teeth, orthodontic treatment, patient’s age, orthodontic treatment time, and the clinic, so you need to be prepared before orthodontic treatment. Some patients have special requirements for orthodontic treatment, and the doctor will respect the patient’s request. However, the doctor will often consider the patient’s requirements, stability, aesthetics and effect when designing the plan, so it is impossible to meet all the requirements and special preferences of the patient. The treatment design of orthodontic treatment is determined before orthodontic treatment, and once orthodontic treatment is started, the patient cannot amend or stop the plan at will. The discomfort of orthodontic treatment is generally stronger with ordinary braces, and imported or invisible braces are relatively the most comfortable form of orthodontic treatment. When first wearing invisible aligners, teeth may experience mild reactive pain or discomfort, which generally lasts 3-5 days and then subsides. Oral hygiene in orthodontics orthodontic treatment requires close attention to oral hygiene, it is best to brush and rinse your mouth after eating to clean the food residue left in the teeth, otherwise it is easy to lead to gingivitis, periodontitis, etc. affect orthodontic treatment. (Implicit aligners can be freely removed, so do not worry about food residues stuck in the gaps of the arch wire brackets, easier to maintain oral hygiene) periodontal treatment before orthodontic treatment before starting orthodontic treatment, if the patient himself suffers from periodontitis, dental caries and other oral problems, it is necessary to treat these problems first, and only after the symptoms have subsided, orthodontic treatment can begin.