Wearing braces need to avoid hard, too big, too sticky as well as coarse fiber and high sugar food, because the aligner paste on the surface of the teeth, can not bear too heavy bite force, if you wear braces diet improperly, it is easy to cause the aligner patch off. 1, hard food and bracket contact, may choke off the bracket. It is recommended that when eating food with bones, the meat is first stripped from the bones, so the meat should be stewed more softly; 2, the food also can not be too big, too big is not easy to chew, will increase the burden on the teeth. Try not to bite directly when eating fruit, to cut the fruit into pieces or slices before eating, you can also occasionally juice vegetables and fruits to drink; 3, too sticky food such as chewing gum, easy to stick to the brackets, difficult to clean, and even lead to bracket loss; 4, in eating coarse fiber beef and vegetables, food fibers may be wrapped around the brackets, not conducive to cleaning; 5, high sugar food should not eat, because wearing braces It is not possible to clean the teeth thoroughly, and the high sugar content food will accumulate in the gap of the teeth for a long time, which is conducive to the growth of bacteria and may lead to tooth decay and other periodontal diseases. During the period of wearing braces, you should pay attention to chew and swallow food slowly to avoid biting yourself or loosening the aligner. It is recommended to brush your teeth or rinse your mouth in time after meals, and each brush should last longer than 3 minutes. You can use a gap brush to remove the food residue and dirt between the adjacent surfaces of two teeth, and develop the habit of cleaning your mouth, which is good for protecting braces and teeth.