1. Brush your teeth at least 3 times a day – morning, noon and evening after meals. The action should be gentle and slow, 3 to 5 minutes each time, brush the brackets off easily; brush every side of the teeth, especially the rice, vegetables and other food stuck between the teeth behind the wire; orthodontic toothbrush should follow the method explained by the doctor; if it is not easy to brush off, use a toothpick to pick lightly in the vertical direction, but do not break the brackets or wire; use a small-headed soft-bristled children’s toothbrush of your choice; if you do not If you do not eat at home, please bring a toothbrush with you. If the brush is not clean, it will cause bacteria to multiply, resulting in inflammation and redness of gums, bleeding, bad breath and cavities in teeth. 2, the diet need to chew things can not eat, including corn, old diamond, fried chestnuts, melon seeds, peanuts, walnuts, sugar cane, popsicles, barbecue meat skewers, ice gourd, etc.; apples, pears, peaches, etc. must be cut into pieces to eat, can not chew; steak, chops, chicken legs, chicken, duck, goose, quail, pigeons, shrimp, lobster, crab, etc. must be cut with a knife or tear off the meat with your hands to eat, can not use your teeth to divide the meat and bones or shells. If you do not pay attention, then the brackets will be gnawed off. 3, something with a nucleus with the nucleus can not eat, such as plums, lychees, cinnamon, dates, etc., the above meat and the nucleus can eat after separation. If you do not pay attention, it will eat the bracket slot. 4, especially sticky things can not eat, such as hard candy, soft candy, bubble gum, chewing gum and other kinds of sugar and glutinous rice and glutinous rice flour products such as rice cakes, lantern, eight rice, steamed rice, siu mai, etc.. If you are not careful, the band ring will stick off. Other hard things such as chocolate and beef jerky should not be eaten; celery, not rotten beef and other multi-fiber foods should not be eaten. 5, special reminder: aligners just after wearing the teeth will be some swelling and pain, about 2 to 7 days, the oral mucosa may be worn, the above are normal, no need to be nervous. Ring or brackets fall off will affect the course of treatment, re-bonding will also increase the cost of treatment, and increase the number of follow-up visits, more affect work or study. 6, such as brackets and rings and other orthodontic components have loosened or fallen off, or the archwire from one side of the penetration caused mucosal discomfort, must be scheduled in advance to the treating physician for a follow-up appointment, the orthodontic components fallen off when the follow-up is brought back for preparation.