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.
Bruxism: Excessive teeth grinding, called bruxism, can cause a chipped or cracked tooth or cracked teeth. Chipped Tooth Treatments. Small Chip: If the chip in your tooth is very small, your dental professional might simply smooth and polish the chipped tooth, and no additional treatment will be needed.