In clinical practice, parents often talk about their children clenching their teeth at night when they are asleep, because they have worms in their stomach, right? This is the medical grinding teeth, must be a worm? In fact, not, there are many reasons, here is a brief list of a few and solutions. Cause one: intestinal parasitic disease Some children suffer from roundworm disease, due to roundworm disturbance so that the intestinal wall is constantly stimulated, causing reflex contraction of the chewing muscle and teeth grinding. Solution: timely deworming for children, deworming medicine because of its side effects, need to be used under the guidance of pediatricians, do not feed themselves. Cause 2: mental tension During the day by parents or kindergarten teachers reprimand, or too excited before bedtime, and the part of the brain management chewing muscle in a state of excitement, so that after falling asleep constantly do chewing action. Solution: Parents should try not to stress their children and create a comfortable home environment for them. Avoid overexcitement and do not watch overly intense or scary TV before the child goes to bed. Cause 3: Digestive disorders Children eat too much food before going to bed, increasing the burden on the digestive system and grinding their teeth at bedtime. Solution: You should not give your child non-digested food or too many snacks before bedtime. Reason 4: unbalanced nutrition Children do not like to eat vegetables, nutritional intake is not comprehensive and balanced, long-term, resulting in a lack of vitamins and trace elements, causing involuntary contraction of the facial chewing muscles at night, it produces teeth grinding. Solution: Give children to develop good eating habits, so that children are not picky eaters, fully ingest a variety of nutrients. Reason 5: dental dysplasia During the child’s tooth replacement, if because of malnutrition, congenital individual tooth loss, or rickets, etc., dental dysplasia, upper and lower teeth contact will occur when the occlusal surface is not flat, is also the cause of teeth grinding. Solution: Ensure the child’s nutritional intake, and ask the dentist to check and deal with oral problems.