If you look in the mirror and are discouraged by the unsightly gray fillings that have dulled your once youthful smile, then it is time to consider their replacement with tooth-colored restorations. Very small fillings can be restored with tooth-colored bonding materials.
However, if the fillings being replaced are large, then porcelain inlays and onlays are the popular alternatives that not only look natural, but at the same time strengthen the remaining tooth structure. Tooth-colored porcelain restorations are extremely durable and require two visits. The result in your mouth could be one with no more dark shadows, but instead a bright, healthy smile.
The Differences Between Inlays and Onlays