Orthodontic treatment at home after the patient will sometimes appear some “emergency”, a few small ways, you can let you in these “emergency” in front of calm and composed. 1, bracket fall off: bracket completely off to save, the next follow-up with; if the bracket fall off is still on the surface of the teeth, can keep its not moving, uncomfortable can buy some mucosal protection wax for emergencies; if the bracket fall off through the ligature wire in the archwire sliding damage to the mucous membrane, can be used to small eyebrow pliers will be placed on the surface of the teeth, and contact with the orthodontist in a timely manner. Do not operate violently on the dislodged brackets. 2, the problem of the band ring: it is difficult to solve this problem by yourself, it is easy to damage the normal shape of the band ring, if the band ring is loose or fall off, please contact with the orthodontist in time. 3, the problem of archwire: archwire end is too long for mucosal irritation, use long thin pliers to bend the end of the archwire into a small circle or stick mucosal protective wax or sugar-free chewing gum on the end of the archwire. 4. Problems with ligature wire: When the ligature wire irritates the mucosa, use an eraser to push it to an appropriate position. 5, accidentally swallowed the bracket, bandage ring, etc., to keep calm, usually can be discharged by the stool. If respiratory distress should be noted by taking X-ray etc. immediately.