The etiology of teeth grinding at night is unknown, and may be related to mental factors, intestinal diseases, excessive fatigue and misalignment of the occlusal relationship.
1. Mental factors: long-term mental tension, anxiety, depression and other psychological stress, the whole body muscles are in a state of tension, the biting muscle corresponding tension is too large, the emergence of night grinding teeth.
2. Intestinal diseases: digestive disorders, lack of micronutrients in the body or the presence of intestinal parasites can also lead to nocturnal teeth grinding.
3. Excessive fatigue: heavy workload during the day and overwork of the body can also lead to night grinding of teeth.
4. Misalignment of occlusal relationship: long-term missing teeth are not repaired in time, the opposite jaw teeth elongation, and long-term unilateral chewing habits, can also lead to night grinding of teeth.
It is recommended to consult a doctor in time for examination and treatment under the guidance of the doctor.