Dear friends and families of orthodontic patients: all provinces and cities have issued a notice on the new coronavirus infected pneumonia epidemic prevention and control during the standardization of oral diagnosis and treatment requirements, many dental hospitals only retain the necessary acute toothache, dental trauma and other oral emergencies diagnosis and treatment services. During the epidemic, orthodontic patients wearing orthodontic appliances should pay attention to what, emergencies should be how to deal with. Here to give you an introduction. First, active orthodontic appliances Precautions during the epidemic: 1, clean the orthodontic appliances with water, if necessary, use alcohol cotton pads to scrub and disinfect the orthodontic appliances; 2, remove and wear the orthodontic appliances before hand hygiene; 3, wear them in accordance with the doctor’s requirements, do not lose them; 4, because of the epidemic short-term can not be resumed: contact with the treating doctor, if necessary, take photographs of graphic consultation. Emergency treatment: 1. Damaged or lost orthodontic appliances, poor retention: do not wear the orthodontic appliances for the time being and contact the attending physician to make an appointment for follow-up treatment. 2.Wire breakage and detachment: continue to wear the orthodontic appliance if it does not affect the position; if the position is not good, do not wear the orthodontic appliance and wait for the next follow-up appointment. 3.Damaged orthodontic base: continue to wear the orthodontic appliance if it does not affect the position; if the edge of the mouth is worn, use nail clippers and other tools to trim it and put it in; if the damage is serious or it cannot be put into position, then do not wear the orthodontic appliance and wait for the next follow-up appointment. 4.Wearing front traction or expanding arch orthodontic appliance needs to add force by oneself: according to the doctor’s regulation of traction and force, if you can’t attend the follow-up consultation time, you need to consult your attending doctor whether to continue to add force or not. 5.Maxillary cushion-type breast tooth anticollision orthodontic appliance with extra force: if you can’t attend the follow-up appointment on time, it is recommended to continue to wear the orthodontic appliance but can’t increase the force by yourself. Second, fixed orthodontic appliances Precautions during the epidemic: 1, hanging traction rubber band patients, each time to take and wear rubber band to do a good job of hand hygiene (wash your hands diligently). 2, do a good job of oral cleaning, keep teeth and orthodontic clean and sanitary. 3.Attention to avoid nibbling hard food when eating, to reduce the damage and fall off of the orthodontic appliances. 4.Because of the epidemic can not be short-term follow-up: get in touch with the attending doctor, if necessary, take intraoral photos graphic consultation. Emergency treatment: 1) The wire slips out or sticks in the mouth: reset the arch wire by moving it slightly in the opposite direction of slipping out. If it cannot be reset, use mucosal protective wax or chewing gum to wrap the end to prevent a ligature wire from tying the mouth. If the ligature wire is sticking out of the mouth, use a blunt object, such as the tip of a pencil, to press the ligature wire back underneath the archwire. (2) Loss of orthodontic appliance: If the front bracket falls off and cannot be removed, it can be left untreated for the time being. If the end buccal tube is dislodged, the dislodged buccal tube can be removed to prevent accidental swallowing, and the end archwire can be wrapped with mucosal protective wax or chewing gum. (3) Loose implant nail dislodgement: loose implant nail suspension rubber band traction, if the implant nail loosening is too large or implant nail site persistent pain, the patient can try to gently rotate counterclockwise to remove the implant nail, implant nail removal, can be assisted in the use of maintenance of oral hygiene. (4) ligature wire or ligature rubber band off: can not be dealt with for the time being. Third, invisible orthodontic appliances Precautions during the epidemic: 1, take and wear braces and rubber bands before and after a good hand hygiene, braces removed in a special small box to prevent pollution. 2.Do a good job of cleaning the braces, put the box of orthodontic appliances can be sterilized by alcohol regularly. 3.According to the doctor’s regulations to wear enough time, the use of bite rubber. 4.Avoid eating heavily stained or hard food to avoid attachment damage or falling off. 5, Short-term unable to return to the clinic: Get in touch with the attending doctor to extend the wearing time of each set of braces, or stay in the current braces, or the doctor may mail a new set of braces. Patients can take photos of the inside of the mouth and send them to the doctor to help determine. Emergency treatment: 1) Attachment detachment: If the attachment detachment does not affect the wearing of the braces, they can continue to be worn. If it is impossible to wear the rubber band for traction due to attachment detachment, the patient should contact the attending doctor who will judge the treatment method. 2) Braces compressing the gums or grinding the mouth: try trimming the edges of the braces with tools such as nail clippers and eyebrow trimmers. 3) Damaged or missing braces: Contact your primary care physician, who will determine whether to continue wearing your current braces, return to your previous set of braces, or replace them with the next set of braces. (4) Braces do not fit: continue to wear the current braces and contact the attending doctor as soon as possible for the doctor’s judgment on how to deal with the problem. (5) Loose implant nails/dislodgement: Suspend rubber band traction for loose implant nails. If the implant nails are too loose or if the implant nails continue to be painful, the patient can try to gently rotate the implant nails counterclockwise to remove the implant nails; the implant nails are removed, and the use of mouthwash can be used as an aid to maintain oral hygiene.