Braces generally refers to the orthodontic braces, the arch wire grinding the inner wall of the mouth need to find a doctor to deal with, the first wear is not adapted to, usually about a week will get used to. 1. Find a doctor to deal with: the arch wire at the end of the orthodontic appliance is too long, the tip grinds the inner wall of the mouth, you need to go to the follow-up clinic to find a doctor to grind the long arch wire or cut it short to avoid grinding the inner wall of the mouth, or the ligature wire on the bracket warps and sticks to the mouth, and you need to find a doctor to make a backward bending of the ligature wire, so as to avoid sticking to the mouth. 2. The first time wear not adapt to: the first generation of orthodontic appliances, the traction hook on the bracket, bracket wing, feel will be some grinding mouth, at the same time, with the movement of the teeth, there will be some soreness and swelling feeling, a week or so will be adapted to, do not need special treatment. Braces grinding the inner wall of the mouth can also choose to apply their own protective wax for protection, braces wear after grinding the inner wall of the mouth, should be timely follow-up to the doctor, under the guidance of the doctor to check and deal with, avoid private treatment, so as not to produce adverse effects.