15 Myths and Facts About Cavities 5. All Fillings Eventually Need Replacing Myth. An amalgam or composite filling needs to be replaced if it breaks down or a cavity forms around it, or if the tooth fractures, says Harms. If none of those problems occur, you can keep the same filling for life. “Fillings do have a life expectancy,” says Harms, but it depends on things like tooth wear and oral hygiene habits. If you brush your teeth twice a day with a fluoride toothpaste and floss and use a mouth rinse once a day, you’ll have less tooth decay and your fillings may last longer. "©2013, WebMD, LLC. All rights reserved"
Posted on: Fri, 21 Jun 2013 15:07:57 +0000
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