Silver amalgam fillings have long been the standard in restoring teeth, however, in recent years they have been replaced by more aesthetic and biocompatible tooth-colored composite fillings. Bonding is the process by which a strong dental adhesive is used to “bond” a composite filling to a tooth's surface, hardened with a high intensity curing light, and polished to produce a smooth, tooth-like finish. With composite fillings, more of the original tooth is preserved. Restorations with composite require less removal of tooth material. Composite fillings are indicated for both front and back teeth to restore small cavities, replace small, defective silver fillings, correct small chips or fractures, change the shape of a tooth, or improve its appearance.