Another cause of tooth enamel damage is bruxism -- or teeth-grinding. Over time, the constant clenching and friction can wear down or fracture the enamel. In this slide, teeth grinding has ground down the upper and lower front teeth.
Bruxism is often worst when you sleep -- that's when you can't control it. Reducing stress may help. Some people wear a special mouth guard to bed.
Above article from: WebMD.com/oral-health
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