Mouthguards are effective in moving soft tissue in the oral cavity away from the teeth, preventing laceration and bruising of the lips and cheeks, especially for those who wear orthodontic appliances.
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When your dentist determines that you have a cavity in a tooth, he or she will tell you that you need a filling. But what exactly will your dentist use to fill the hole after the decay has been removed? Dental amalgam is the most widely used and researched material for fillings. It has been used to restore the teeth of more than 100 million Americans over the past 150 years.
Dental amalgam is a mix of metal (also known as an alloy) that is made by combining mercury, silver, tin, copper, and sometimes other metallic elements.
Reviewed: January 2012
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