If you know someone who’s had a filling, it’s likely they probably have one of the traditional restorative solutions that are made of amalgam. Easy to spot because of their gold or silver appearance, they’re becoming less frequently used by dentists nowadays. The reason is that more dental professionals are turning to tooth-colored composite resin fillings that are metal-free and blend in with the rest of your smile. As nice as they look, you might be asking, “do fillings need to be replaced?” Let’s find out.

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