Teeth scaling is required before orthodontic treatment. Teeth scaling can remove plaque and calculus. When doing orthodontic treatment, the doctor needs to conduct a computer scan of the patient's mouth and take a tooth model. If there is dental calculus in the teeth, it will affect the accuracy of the tooth model, which will in turn affect the effect of tooth correction. In addition, orthodontic treatment often takes about 1-2 years. During orthodontic treatment, braces must be worn, which increases the difficulty of oral cleaning. Therefore, it is necessary to do a teeth cleaning before orthodontic treatment to prevent dental problems during the orthodontic process. Oral problems.