Wearing braces is also professionally known as oral orthodontics, for gum recession, is not an absolute contraindication to oral orthodontics, but for patients with gum recession, it is generally less recommended orthodontics. Because there are two common causes of gum recession, as follows: 1, physiological old age recession, as people age, in middle and old age gums will gradually appear attachment decline, gum recession, for this case, is not a contraindication to gum recession, is possible to carry out orthodontics, but relatively less orthodontic requirements of the middle-aged. 2, young people caused by periodontitis gum recession, for This situation must pay attention to the need to control periodontitis, the application of supragingival cleaning, subgingival scraping and root surface leveling methods to completely control the periodontal tartar and plaque, to determine the gum recession and no longer last, periodontitis has been very good control, and in the very early stages of periodontitis, only then can you consider orthodontics, because the orthodontic itself will also cause gum recession. If a patient with periodontitis has improper orthodontics, it can lead to the loss of multiple teeth in the entire mouth, so orthodontic treatment for gum recession must be done with caution.