Orthodontics and orthodontics are both dentistry treatments, and orthodontics generally includes teeth straightening. The two are slightly different in terms of definition, treatment methods and indications, and the choice of orthodontics or orthodontics requires listening to the doctor’s advice and choosing the right way for you.1. Definition: Orthodontics is the treatment of misaligned, uneven teeth or malformations to achieve natural, aesthetic results. In addition to adjusting misaligned teeth and periodontal tissues, orthodontics can also treat tooth color; 2. Treatment: Orthodontic treatment includes aligner orthodontics, such as movable aligners, fixed aligners and padded lingual reed aligners. In addition to orthodontics with aligners, resin veneers and porcelain restorations are also available; 3, indications: orthodontics can be used to treat crowded teeth, anterior teeth retrusion, excessive tooth gaps, bruxism and bimaxillary protrusion, etc. Orthodontics can be used for dental misalignment, missing teeth and fluorosis, tetracycline teeth, etc. Usually, you should pay attention to protect your teeth. It is not recommended to eat too hard food and too sticky food, such as milk sugar and maltose. Try to cut food into small pieces when eating, and also drink less carbonated drinks. Brush your teeth and rinse your mouth correctly after meals to avoid tooth decay and gingivitis.