Experts explore causes and effects of tooth grinding

Tooth grinding can lead to jaw, muscle and tooth pain, headaches or wear on the teeth.
Thursday, March 20, 2008 | 6:22 p.m. CDT; updated 12:21 p.m. CDT, Tuesday, July 22, 2008

Teeth are made for collisions. They mash hamburgers and break hard candy into tiny pieces. But when they grind together, they can wear down and lead to other health problems.

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