Grinding and Clenching: How Bad Can It Really Be?

Our upper and lower teeth are supposed to glide together smoothly, touching only when we are chewing food. Unnatural grinding or clenching can cause wearing and cracking of the teeth, as well as serious jaw impairment. The reality is that all of us grind our teeth on occasion ? when we are angry or anxious, for instance, or when our sleep is disturbed. But when we grind our teeth on a regular basis, we have a condition called bruxism (from the Greek bryx, meaning a ?gnashing of the teeth?). If bruxing persists, as it does in an estimated 20 percent of ...

Source: http://www.metronycdentist.com/blog/2010/03/teeth-grinding--clenching-what-you.htm

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