小儿夜间磨牙,原因多种多样。有的是因为肠道有寄生虫感染,寄生虫分泌的毒素及其代谢产物有毒性作用,人体吸收后引起神经系统不稳定,兴奋性增高,出现夜间磨牙。还有一些孩子白天贪玩,大笑大闹,过于疲劳,过于兴奋、激动;饮食失调、消化 Children molars at night, for a variety of reasons. Some are due to enteric intestinal infection, parasite secretion of toxins and their metabolites toxic effects, the body caused by the absorption of nervous system instability, increased excitability, appear molars at night. There are some children during the day fun, laughter, too tired, too excited, excited; eating disorders, digestion