The mechanism of its action is to mechanically isolate the direct contact between the upper and lower teeth, buffer the pressure of chewing collision (because of its elasticity and toughness), and continuously play the role of relaxing muscle tension to avoid damage to the teeth and periodontal tissue. By wearing a dental pad that fits the teeth before going to sleep, not only will it effectively prevent further wear and tear during sleep, but the noise nuisance to the person next to the pillow will also be significantly reduced.