& ltp> Hello, in fact, not all teeth need to be extracted in orthodontics, but plans should be made according to the specific conditions of teeth. Generally, if the dentition is crowded, the dentist will give a plan for tooth extraction during orthodontics to adjust the relationship between teeth and bone in the mouth and avoid the recurrence of deformity. & lt/p & gt； & ltp> There is also the prominent face. In order to tighten the teeth and achieve the corrective effect, it is generally necessary to extract the teeth, so that the teeth can get enough clearance, so as to achieve the effect of tooth adduction and forward movement. In this case, the number of tooth extraction needs to be determined according to the doctor's judgment, so it is really not for the doctor to do more projects, but for your teeth to do so! & lt/p & gt； & ltp> For customers who need to correct occlusal relationship, they basically need to extract teeth to get a gap, which can increase the contact surface of teeth. In fact, orthodontists do not decide whether tooth extraction is needed in orthodontics, but make a decision according to the situation of tooth deformity. Therefore, friends can do more face-to-face consultation before orthodontics, and make a detailed examination of the oral cavity in order to choose a more suitable orthodontist. & lt/p & gt；