The discomfort usually appears 2~3 hours after you put on the braces, and it will become more and more obvious in the following 1~3 days, and the discomfort will be relieved gradually after 4~5 days as time goes by, and will disappear within a week. Of course, this discomfort will vary from person to person. At this stage, it is recommended to eat some soft, easy to chew, easy to digest liquid food such as white porridge, noodles, etc., to avoid chewing pain Do not eat like this during the period of wearing braces: can not gnaw with the front teeth, gnawing front teeth will not only cause toothache, and easy to bite the front teeth brackets loose, fall off (such as: gnawing apples); can not eat too hard and sticky food, too hard food easy to cause the orthodontic loosening, deformation; too sticky Food residues are easily attached to teeth and braces, not easy to clean; reduce the intake of high-sugar food, these foods are easy to residual sugar in places that are not easy to clean, easily lead to dental caries (such as: eat chocolate, cola, etc.) During the period of wearing braces should eat like this: eat to chew slowly, as long as avoid these foods just mentioned, home cooked meals can be eaten, pay attention to chew slowly to avoid biting themselves or make the aligner Loose; eat more cereals, dairy products, protein, balanced nutrition, enhance resistance, help the reconstruction of the bones and orthodontics; eat more vegetables and fruits, supplement a variety of vitamins, can reduce the mouth ulcers that may occur when wearing braces, eat fruit with a knife cut into small pieces before eating; use bilateral teeth alternate chewing, both sides of the teeth alternate chewing can this help keep the whole mouth teeth clean and orthodontic The effect.