It is not uncommon for people to have their fillings get loose or completely come off. The reasons could simply be that the work was either done unprofessionally or the filling has become too old. There are a range of tooth filling replacement options that you can choose from, here is some information that can help you figure out what will be your best option: Beginning with the most basic fillings. Most dental fillings are created out of dental amalgam of tin, copper, mercury and silver. These require replacement in every five to fifteen years. However, the aesthetic value of such fillings is debatable. It is far better to have something in your mouth that blends in with the rest of the teeth. Some fillings are made from cast gold. They usually last for ten to fifteen years but can last longer. However, they are expensive. Out of all, the most common are composite restorations. Composite is made out of micro particles that are bonded to the teeth. This material is tooth colored...