Amalgam is what most people think of as the silver fillings. They are mainly used for back teeth that are out of sight. Though there has been controversy about these fillings and its contents, the ADA has made many statements that they are completely safe to use and are a wonderful option to use to restore your teeth.
Cast gold fillings are a wonderful material to use in your mouth. There is very little wear on your opposing teeth when gold is used. It is also noted that genuine gold is non-reactive, meaning you won’t have to worry about corrosion.
Ceramic fillings are mostly made of porcelain or zirconia, which gives them the added benefit of being able to match the color of most shades of teeth. These restorations are made at a lab and mimic teeth shape and color beautifully.
Composite fillings are a natural colored and can be used to change the color of teeth or help give you a more natural smile by fixing misshapen teeth. This material is set by using a light to cure the material. The composite filling can be shaped and polished. The main advantage of composite fillings is that the coloring can be matched to your tooth shade, making them less noticeable.