Composite fillings consist of a tooth-colored resin composed of plastic and some additives. In some cases, there are also glass particles mixed with the plastic. Although mostly used for treating cavities, a composite filling can also improve a tooth’s cosmetic appearance, such as reshaping a tooth.
Other common types of fillings include gold, porcelain, and silver amalgam. Compared to composite fillings, metal fillings are significantly more visible in the mouth. While porcelain fillings are closer to the surrounding teeth in color, they can be quite costly. For many patients, composite fillings offer a balance of aesthetics, affordability, and durability.