Teeth grinding refers to the phenomenon that when not chewing and not swallowing, the chewing muscles strongly and persistently contract non-functionally, causing the teeth to keep moving or clenching, and when these conditions occur at night, it is called night grinding. Hazard: night grinding is an abnormal functional movement, the upper and lower teeth contact time, wear and tear, can lead to heavy tooth wear caused by dental, periodontal disease, and even affect the temporomandibular joint and chewing muscles, joint pain, popping, mouth opening restrictions, facial and neck back muscle pain and other symptoms, the health of patients with night grinding teeth is seriously threatened! According to statistics, 15% to 20% of Western residents suffer from night grinding, night grinding patients are generally not easily detectable, but the sound of grinding teeth often affects the sleep of others. Treatment: The most direct, effective and quickest way to prevent further damage to teeth and physical and mental health is to wear a night grinding jaw pad under the guidance of a clinician. The night grinding jaw pad can isolate the upper and lower teeth from direct contact, prevent the teeth from continuing to wear, reduce periodontal damage, relieve muscle fatigue, relieve night grinding activity and continue to play a role in relaxing muscles, while also regulating It also regulates the position of joints and jaws, improves muscle tone, and allows the health of the entire oromandibular system to be gradually restored.