Gold fillings, also called inlays or onlays, are composed of an alloy of gold, copper and other metals.
This type of dental filling is usually considered the most durable, lasting 20 years or more, but it is also the most costly. Gold fillings also require more than one office visit to place because they require impressions to manufacture at a dental laboratory.
Direct placement of gold is a restoration called a gold foil. These types of dental restorations are infrequently performed and are usually used for small fillings. Gold foils can be placed in one visit, just like an amalgam or composite filling.
Ultimately, the best dental filling is no dental filling. Prevention is the best medicine. You can dramatically decrease your risk of cavities and other dental diseases simply by: