1. Fixed braces are bonded to the teeth through special materials. Within three to five days after the initial wearing of the braces, the teeth may feel sore and uncomfortable due to the force, and the mucous membrane of the oral cavity may be bruised by the braces. However, these can be tolerated and prevented, and will disappear automatically after a week, usually without the need for medication. Patients may feel tightness and pain after each subsequent follow-up appointment, but it is very mild. On the contrary, if the pain is severe, it is abnormal and you need to contact your attending physician in time. 2.After wearing orthodontic appliances, you can brush your teeth, and you have to be more careful, you must pay attention to oral hygiene and master the correct brushing method. Need to use small head, soft bristle toothbrush, toothbrush 2-3 months replacement. Brush your teeth with warm water and soak your toothbrush for 20-30 seconds before each brush to soften the bristles. When brushing teeth, the force should be gentle, brush each tooth for about 10 seconds on each side of each tooth, and brush teeth in order. Each brushing time 3-5 minutes, after three meals need to brush teeth. 3, orthodontic treatment will not affect the meal, and daily rice, vegetables, eggs, meat, etc. can be eaten as usual. 4, do not eat too hard food, otherwise it will damage the aligner or cause it to fall off, thus affecting the treatment effect. (These foods include: hard candy, plums, peanuts, bones, barbecue, sugar cane, apples, pears, etc.). 5, do not eat too large pieces of food. Some food really want to eat is not no way, such as ribs, chicken and duck, you can pick off the meat, cut into small pieces to enjoy; apples and pears can be peeled into slices to eat, sugar cane can be juiced. 6.Don’t eat too sticky food, for example: soft candy, sticky cake, mirror cake, chewing gum, bubble gum and so on. 7.After the orthodontic appliances are placed, usually one month follow-up. Must be on time, so as not to affect the effect of treatment. 8, the treatment will be nearly finished, according to the patient’s situation to make retainer, in order to maintain the achieved orthodontic effect, as long as adhere to wear, generally will not recur.