睡觉磨牙（Sleeping molar）.docVIP

睡觉磨牙（Sleeping molar） Sleeping molar When sleeping, the upper and lower teeth bite and make a noise, which is the daily molar. Sleeping molars are caused by the constant contraction of the masticatory muscles, and the movement of the masticatory muscles is governed by the trigeminal nerve, so any factor that affects the trigeminal nerve and masticatory muscles can cause bruxism. More common in children, and a variety of factors: 1) excessive mental excitement Sleep over before the play, too excited or fatigue, or frightened, anxious or nervous study, the cerebral cortex excitatory and inhibitory processes out of balance, masticatory muscles induced by the movement of irregular occurrence temporary spasm or contraction, resulting in teeth at night. 2) intestinal parasitic diseases The worm likes to move in the intestines and secrete many toxins after the baby has fallen asleep. Toxins stimulate the intestines, speed up intestinal peristalsis, causing indigestion, umbilical pain, sleep unrest; if toxins stimulate nerves, causing nerve stimulation, and molars. The same pinworm also secrete toxins and cause anal itching, affect their sleep and send teeth sound. 3) digestive dysfunction For example, before going to bed to eat too much, a lot of food filled the gastrointestinal tract and stimulated the digestive tract, nerve stimulation of these to the brain, so that the management of digestive brain cells excited, and through the reflex effect, resulting in molars. 4) unbalanced nutrition Some children are picky eaters habits, especially do not like eating the vegetables, the formation of nutritional imbalance, resulting in calcium, phosphorus, vitamins and trace elements deficiency caused by facial night involuntary contraction of masticatory muscles, grinding teeth will move back and forth. 5) other Occlusal disorders, permanent teeth hypoplasia of tooth teeth caused by chronic periodontitis, psychomotor epilepsy, hysteria, or a dream caused by eating teeth at night. Lo