Dental fillings are a common way to restore damaged teeth. They are made of a variety of materials, including gold, silver, porcelain, and composite resin. Fillings can last for many years, but they may eventually need to be replaced. If a filling becomes loose or damaged, it can allow bacteria to enter the tooth and cause decay. In some cases, a dentist may need to remove a filling in order to treat the underlying decay.
There are a number of reasons why a dentist might need to remove a filling. Some of the most common reasons include: