Orthodontic teeth extraction four teeth good care is not harmful, but do not pay attention to care is prone to harm. 1. Orthodontic extraction of four teeth can improve crowding of teeth, re-establish the bite relationship for the teeth, after the completion of the correction of teeth look more neat and beautiful. 2. Orthodontic extraction of four teeth did not do a good job of care, there are a lot of bacteria in the oral cavity, easy to induce infection of the extraction wound; extraction of teeth during the correction period due to the lack of four teeth, teeth chewing will be affected, easy to chewing powerlessness, if you eat too hot, too hard food, extraction of more serious damage to the incision, easy to aggravate the problem of bleeding. Therefore, when you choose to correct your teeth, choose a regular professional dental hospital, follow the doctor’s instructions for postoperative care, follow the doctor’s orthodontic program, you can effectively reduce the harm of tooth extraction.