Teeth grinding in women is usually related to oral health conditions, mental factors and some neurological disorders and other factors, which need to be examined in the hospital. However, teeth grinding in sleep has nothing to do with gender. 1. Oral health: teeth grinding is a multi-factorial influence, may be related to oral malocclusion of teeth, may also be the mouth of long-term missing teeth caused by occlusal imbalance triggered. 2. Mental factors: If the daytime work rhythm is fast, mental stress, mental tension, depression, poor psychological state can also trigger night grinding. 3. Neurological disorders: central nervous system abnormalities cause masticatory muscle excitation, which can be seen in epilepsy, schizophrenia, can also appear the phenomenon of night grinding. The phenomenon of teeth grinding in sleep, it is recommended to go to the hospital in time to avoid damage to oral health.