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Plaque is a sticky, almost colorless layer of bacteria that forms on your teeth that mixes with the sugars in food to produce decay-causing acids. When decay creates a cavity, the dentist usually fills it with a durable material, most often composite (a tooth-colored material), a metal alloy called amalgam or gold. A filling can last from five years to a lifetime, depending on its location, the material used and the care you give your teeth. Gold has the longest lifespan, followed by amalgam and then composite.
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Before dental treatment
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After dental
treatment
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