Dental Implant Glossary Bruxism The habit of clenching and grinding the teeth using extremes of muscle power.  Often some part of                              the mastication system is harmed, either the muscles, the jaw joint, or the teeth.  Over thirty                              percent of the population does this to some degree, mostly at night in deep sleep stages.   People                              are often unaware of the habit until either signs or symptoms appear.  The habit often correlates                              with physical or emotional stress. Source: http://www.dentalleaders.com

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