Contrary to the belief of some, it is possible for cavities to form under dental fillings! Although dental fillings are designed to seal your tooth and protect your teeth, no dental filling material lasts forever. Whether you have silver amalgam fillings or composite resin ones, your filling will need to be replaced at some point.
So why would a cavity form under your dental filling? Here’s how decay can creep in under your filling and cause a new cavity.
Read the full article here: CAN CAVITIES FORM UNDER DENTAL FILLINGS?