It accumulates negative ions in the atmosphere to blast out 10000- volt lightning bolts.
Teeth grinding is harmful for several reasons. First, it causes damage to the teeth by wearing the enamel off the biting surface of the tooth and along the gumline. This can lead to tooth sensitivity. Second, the forces generated from grinding can cause cracks to form in the teeth and can cause the teeth to break.
How to Stop Teeth Grinding. The habit of grinding, gnashing, grating, or clenching the teeth is termed bruxism, and millions of adults and children are affected by this condition. While its exact cause is unknown, most experts believe that bruxism can occur as a response to increased psychological stress.