The phenomenon of teeth grinding in 10-year-old children, may be 1-2 times occasionally, do not have to worry too much, but if it is a daily grinding, and lasted for a period of time, you need to be alert, parents can deal with different reasons: a. Occasional teeth grinding 1, mental factors: because the child has experienced memorable things during the day, emotional overexcitement, may lead to the night cerebral cortex is not completely Rest, part of the nerves are still in an excited state, it will cause sleep disturbance, grinding teeth, talking in dreams and other phenomena. These conditions will generally ease on their own as the child’s emotions improve; 2, gastrointestinal dysfunction: children eat too much at night or eat too greasy, which will increase the burden on the gastrointestinal tract, affecting sleep, will involuntarily grind their teeth at bedtime. Therefore, it is recommended that children eat reasonably and eat regularly. Second, regular teeth grinding 1, oral problems: If children have abnormal lesions in their teeth, such as having tooth decay, periodontal disease or swollen gums, it will cause discomfort and may react at night in the form of grinding teeth, or children have dental bite disorders, and when they sleep at night, they will also unconsciously grind their teeth. Different treatment treatments can be carried out for the above different oral problems and attention to oral health; 2. Micronutrient deficiency: If children have disorders of calcium and phosphorus metabolism in the body, thus triggering bone decalcification, muscle aches and pains and plant nerve disorders, they often have excessive sweating, night terrors, irritability and teeth grinding in bed, commonly seen in children suffering from vitamin D deficiency rickets. At this time, can be under the guidance of a doctor reasonable supplement calcium, cod liver oil, vitamin D, etc. to relieve; 3, intestinal parasites: if the intestinal parasites exist, will secrete toxins in the intestine, stimulate the intestinal wall, so that the intestinal peristalsis increases, in sleep will appear grinding teeth symptoms, this situation is generally accompanied by abdominal pain symptoms, need to timely deworming; 4, genetic: part of the case of grinding teeth has a certain family tendency, if the parents If the parents suffer from teeth grinding, the probability of children suffering from teeth grinding will be higher.