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.
Teeth grinding is known by the medical term bruxism and most commonly affects people in their sleep. Over time, teeth grinding can damage the teeth or cause other health complications. But don't worry -- you can alleviate your pain with some home remedies and with the help of your dentist.