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.
It actually can hurt your jaw joint because when you chew, you tense your jaw muscles. Avoid chewing on ice or hard foods and eat softer foods instead if you have jaw pain. If you grind your teeth at night, check with your health care provider about a device called a bite block to stop grinding. 1  Previous.